Patent Watch
This article summarizes selected patents in controlled release or delivery that were issued from October 25, 2022 through February 14, 2023. Greater detail on each of these patents is given on the U.S. patent website: Patent Public Search | USPTO.
General/Industrial Applications
US- 11572503: Light Upconversion Microcapsule Shells
Description of upconverting particles in a polymer shell for basic industrial applications.
US- 11572282: Synthesis of Janus Nanomaterials
Synthesizing Janus nanoparticles at the interfaces of water and organic layers using surfactants is described.
US- 11571665: Layered CDC-polyamide Membrane and Its Make And Use
Nanoparticles of titanium carbide-derived carbon and embedded in a polyamide film used to separate carbon dioxide or other gases from mixtures.
US- 11571664: Deeply Grooved Nanoparticle-coated Nanofibers
Description of a water purification membrane utilizing fibers coated with nanoparticles of less than 40nm in size with a zeta potential of -40 to -45mV for removal of particulates, heavy metals and even bacteria and VOCs.
US- 11542168: Alumina-modified Colloidal Silica Particles, Cementitious Products Containing Same, And Methods of Use Thereof
Alumina-modified colloidal silica nanoparticles mitigate Alkali Silica Reaction (ASR) in cementitious compositions.
US- 11567051: Nanoreactors as Thermal History Indicators
Nanoreactors comprising a metal precursor that, upon exposure to heat, the metal precursor forms nanoparticles that can be detected by various means. The nanoreactors can be used, in some embodiments, as time-temperature indicators for perishable goods.
US- 11541372: Adsorbents, Systems and Methods for The Removal of Heavy Metals from Contaminated Water
Method of making and using porous carbon particles both coated with and having pores containing magnetic particles. Uses of removing specific compounds/contaminants from liquids are described.
US- 11542181: Nanomaterials, Devices, and Methods of Water Treatment
In one aspect, separation media are described for removing water contaminants. A possible separation medium structure includes a nanoparticle support and an oligomeric stationary phase.
US- 11518931: Method of Mitigating Frac Hit Production Interference from Adjacent Oil Wells Using Treatment Fluids With Nanoparticles
A method for minimizing the creation and existence of frac hits in an oil field comprising the step of pumping treatment fluids into the Parent well before performing the frac on the Child well wherein the treatment fluids contain brine resistant silica nanoparticles is described and claimed.
US- 11512241: Method of Treating Pipeline
A method of treating a pipeline by selecting a colloidal particle dispersion having inorganic nanoparticles that facilitate penetration of solid deposits on interior surfaces of a pipeline. The composition is allowed to act upon the surfaces and materials adhering to the surfaces of the interior of the pipeline.
Agriculture
US- 11524061: Poultry Vaccine for Clostridium Perfringens
Nanoparticle compositions for use as vaccines against Clostridium perfringens in poultry are described. Compositions include one or more Clostridium perfringens extracellular proteins in a polyanhydride or chitosan nanoparticle for oral delivery in poultry. This platform delivery system could also include a Salmonella enteritidis protein.
US- 11518998: Method for Creating Transformed Plant
Description of use of a microparticle having a diameter of 0.3 to 0.9 μm with at least one type of nucleic acid and bombarding a shoot apex of the plant with the coated microparticle using a gene gun to transform the resulting plant.
Diagnostic/Sensing
US- 11571486: Bilirubin Derivative-based Diagnostic and Therapeutic Ultrasound Contrast Agent
Provided is a particulate bilirubin derivative-based ultrasound contrast agent for diagnosis and treatment. The particles are sensitive to reactive oxygen species (ROS), bind with hydrophobic drugs, and can effectively chelate metals such as iron oxide nanoparticles and so can be used as an ultrasound contrast agent for diagnosis, as a magnetic resonance imaging contrast agent, or as a carrier for hydrophobic drugs or platinum-based drugs.
US- 11554101: Process for Encapsulating Soluble Biologics, Therapeutics, And Imaging Agents
An “inverse” precipitation route to precipitate aqueous soluble species with copolymers as nanoparticles having a hydrophilic, polar core and a less polar shell is described.
US- 11549941- Nucleic Acid-functionalized Nanoparticles
Description of functionalized nanoparticles used in detection of Staphylococcus infections by detection of nuclease activity.
US- 11542430: Method for Preparing Fluorescent-encoded Microspheres Coated With Metal Nano shells
A method for preparing fluorescent-encoded microspheres coated with metal nano shells is disclosed. The nanoparticle is used in the detection of proteins and nucleic acids in flow cytometry.
US- 11536719: Molecular Nanotags
A molecular nanotag is described that includes a functionalized moiety that can selectively bind to a molecular targeting ligand. The tag can be detected by particle size, or fluorescence and is suggested for use as a flow cytometry marker.
US- 11529316: Ultrafine Nanoparticles as Multimodal Contrast Agent
The invention relates to a novel use of ultrafine nanoparticles, of use as a diagnostic, therapeutic or theranostic agent, characterized by their mode of administration via the airways.
US- 11519906: Label-free Detection of Renal Cancer
Description of nanoparticles coated with antibodies held in place on a substrate for detection of specific protein markers by Raman or surface plasmon resonance.
US- 11510995: Nano systems for Controlled Transport of Active Molecules for Diagnostic, Prognostic And Therapeutic Purposes
Disclosed is a nanoparticle system to which a hydrolase enzyme able to degrade hyaluronic acid and one or more biologically and/or pharmacologically active molecules are covalently bonded for use in diagnostic, prognostic, and therapeutic fields.
US- 11510872: Nanoparticle-lipid Composite Carriers and Uses Thereof
Description of functionalized nanoparticle-lipid composite carriers as theranostic agents for cancers and related ailments.
Pharma
US- 11576966: Coronavirus Vaccine
A formulation consisting of a lipid nanoparticle associated with nucleic acid for treatment or prophylaxis of infections with coronavirus such as SARS-CpV-2.
US- 11576961: Broad Spectrum Influenza Virus Vaccine
The disclosure describes a broad-spectrum influenza virus ribonucleic acid (RNA) vaccine associated with a lipid nanoparticle with at least one cationic lipid.
US- 11576920: Composition and Method To Aid In Hormone Replacement Therapy
A pharmaceutical two-phase admixture for topical application (transdermal or transmucosal) made up of a particulate hormone suspended in an oil carrier. The pharmaceutical admixture is especially useful in a regime of hormone replacement therapy.
US- 11576862: Methods and Compositions for Preparing A Silk Microsphere
A method for making silk microspheres under aqueous conditions.
US- 11564995: Peptide-Nanoparticle Conjugates
A nanoparticle system for immunotherapeutic treatment of cancer which has a set of β-hairpin peptides conjugated to the particle surface.
US- 11564985: NSP10 Self-assembling Fusion Proteins for Vaccines, Therapeutics, Diagnostics And Other Nanomaterial Applications
Inventors describe the use of the self-assembling protein NSP10 as a platform for particle formation. By fusing protein or peptides to the assembling protein, nanoparticles with application in the areas of biosensors, cell sorting and imaging, vaccines, or therapeutics are generated.
US- 11564890: Aggregating Microparticles for Medical Therapy
The present invention is a surface treated drug-loaded solid (e.g., non-porous) microparticle that aggregates in vivo to form a consolidated larger particle for application in medical therapies such as ocular therapy. When used in the eye, long-term consistent intraocular delivery can be achieved without disrupting vision and minimizing undesirable inflammatory responses.
US- 11564889: Stem Cell Biomimetic Microparticles
Provided are stem cell biomimetic microparticles comprised of at least one stem cell-derived paracrine polypeptide or growth factor embedded in a polymer core particle with an outer layer of at least one fragment of a cell membrane of a stem cell. The particles are sized to allow both transport through blood vessels and extravasation from the blood vessels into the surrounding tissues.
US- 11564994: Method for Making A Conjugate Azole-based Surface Modified Silicon Dioxide Nanoparticle
Description of modified silicon dioxide nanoparticles which can amplify targeting of therapeutics for human colorectal carcinoma cells (HCT-116), enhancing anti-cancer effects.
US- 11559495: Icariin Nano-pharmaceutical Formulation
A nano-pharmaceutical formulation, comprising icariin in zein nanoparticles with at least one stabilizer such as TPGS and a penetration enhancer for enhancing libido.
US- 11559585: Conjugates of Active Pharmaceutical Ingredients
Description of various nanoparticle formulations containing molecular conjugates. The nanoparticles can be pegylated or encapsulated in red blood cell vesicles as a treatment for cancers and other diseases and imaging diseased tissue and organs.
US- 11559494: Compositions and Methods For Targeted Delivery Of Therapeutic And/or Diagnostic Species
A composition described herein comprises a nanoparticle, conjugated to a therapeutic. The linker joining the nanoparticle to the therapeutic species comprises a Diels-Alder cyclo-addition reaction product. Additionally, in some embodiments, the nanoparticle is a magnetic nanoparticle.
US- 11559556: Citrus Fruit Extract-mediated Synthesis Of Tellurium Nanomaterials Having Biomedical Applications
Methods disclosed herein provide for an environmentally friendly approach that employ citric extracts from fruits as unique reducing and stabilizing agents for making a tellurium nanomaterial. The resulting nanoparticles exhibit enhanced biomedical properties toward treatment of both infectious diseases and cancer.
US- 11559591: Ultrasmall Nanoparticles Labeled With Zirconium-89 And Methods Thereof
Described herein are nanoprobes comprising ultrasmall aminated and cRGDY-conjugated nanoparticles labeled with Zirconium-89 and methods of their use. The described nanoprobes exhibit great potential as “target-or-clear” tracers to human subjects for systemic targeted imaging (or treatment) of cancer.
US- 11559586: Nanoparticles For Treatment Of Choroidal Neovascularization And Other Indications
Description of targeted nanoparticle formulations for delivery of active by some external trigger such as light.
US- 11559577: Immunogenic Composition Forming A Vaccine, And A Method For Its Manufacture
A vaccine formulation that includes a lipid nanoparticle delivery system with a nucleic acid sequence encoding an antigen from a coronavirus.
US- 11554178: Compositions And Methods Of Modulating Macrophage Activity
Provided is a method of treating a disease (e.g., a macrophage-associated disease, autoimmune disease, inflammatory disease, or a cancer of an organ in the intraperitoneal cavity) by intraperitoneally administering a silica nanoparticle composition non-covalently bound to nucleic acids.
US- 11547720: Ayurvedic Encapsulated Gold Nanoparticles, Fabrication Methods And Cancer Therapeutic Methods
Describes a method of using dried gooseberry product, mango peel, or phytochemicals to form gold nanoparticles in suspension from gold salts for use in an Ayurvedic treatment regime.
US- 11534497: Compositions And Methods For Delivery Of RNA
The disclosure provides nano emulsion compositions and methods of making and using thereof to deliver a bioactive agent such as a nucleic acid to a subject. The nano emulsion composition comprises a hydrophobic core based on inorganic nanoparticles in a lipid nanoparticle that allows imaging as well as delivering nucleic acids. Methods of using these particles for treatment and vaccination are also provided.
US- 11547721: Magnetic Nanoparticles For Use In The Treatment Of Tumors
The present invention relates to magnetic nanoparticles based on iron oxide having cubic shape, suitably functionalized for the release of targeting chemotherapeutic agents either singularly or in combination with other therapies for ovarian cancer.
US- 11547639: Dental Composition Containing Platinum Nanoparticles
The present invention relates to a dental composition comprising a platinum nanoparticle (a) uncoated with a colloidal protective material with long-lasting antibacterial activity and good aesthetic quality.
US- 11547729: Nanoparticle Modification Of Human Adipose-derived Mesenchymal Stem Cells For Treating Brain Cancer And Other Neurological Diseases
Description of nanoparticle system for delivery of AMSCs transfected with nucleic acids for the treatment of neurological disease such as brain tumor.
US- 11547672: Nanoparticle Vaccine Adjuvant And Methods Of Use Thereof
A cage-like lipid nanoparticle for use as an adjuvant in vaccines or related treatments is described.
US- 11542322: Nano-theranostics For Parkinson's Disease
Provided are aggregate alpha-synuclein specific antibodies or related molecules for the treatment and detection of Parkinson’s or other Lewy body neurite-based diseases. In one embodiment, the antibodies are encapsulated and delivered in nanoparticles.
US- 11535651: Hepatitis B Nanoparticle-based Vaccine for Influenza Virus
Nanoparticle vaccine made up of fusion proteins of hepatitis virus antigens and influenza hemagglutinin virus antigens.
US- 11534497: Compositions and Methods for Delivery Of RNA
A nano emulsion composition comprised of a hydrophobic core in a lipid nanoparticle that allows imaging as well as delivering nucleic acids.
US- 11534408: Microcapsules and Methods of Using the Same
Description of use of microcapsules to deliver drugs and probiotic microbes and using such microcapsules for in vitro culture of microbes. The microcapsules comprise novel siloxane-based membranes that maintains transport properties essential to communication and growth of microbes.
US- 11534375: Solvent-free Method of Encapsulating a Hydrophobic Active
Description of a solvent-free method for encapsulation of hydrophobic actives with application in personal care, agriculture, or pharmaceuticals. The method includes mixing the hydrophobic active in a polymer melt, wherein the polymer melt comprises a melt of a block co-polymer and maintaining the polymer melt in water for sufficient time to allow self-assembly of the block co-polymer to encapsulate the hydrophobic active therein.
US- 11529430: Polydopamine Decorated Tobacco Mosaic Theranostic Virus Nanoparticles
A nanoparticle for diagnostic, therapeutic, and/or theranostic applications includes a rod-shaped plant virus like particle (VLP), one or more gadolinium T1 contrast agents conjugated to an interior surface of the VLP, and a layer of polydopamine (PDA) coated over a portion of the exterior surface of the VLP.
US- 11529388: Peptide-polynucleotide-hyaluronic Acid Nanoparticles And Methods For Polynucleotide Transfection
The present disclosure relates to nanoparticles and methods for polynucleotide transfection.
US- 11529315: Modified Guanidine-containing Polymers for Biologic Delivery
An encapsulation and delivery system based on a modified guanidine moiety in a plurality of repeating units of a polymer or on the surface of a nanoparticle that exhibits enhanced transfer across biological membranes. The polymer or nanoparticle can be used in a cancer treatment formulation.
US- 11529314: Lipid-based Nanoparticles for Encapsulation And Sustained Release Of Therapeutic Agents
Lipid nanoparticle formulation containing a complex of the therapeutic agent with a cationic agent. Methods for treating a disease and for reducing nanoparticle burst rate are also disclosed.
US- 11517422: Intraocular Implants Comprising Drug-eluting Materials with Time Release Characteristics
Description of microspheres as a delivery system within an intraocular lens that reduces the need for follow on treatment or postoperative eye drops after cataract surgery.
US- 11517562: Pharmaceutical Compositions
Description of amorphous hybrid nanoparticles used to encapsulate hydrophobic actives such as protein kinase inhibitors.
US- 11517588: Nanoparticle, Preparation Process and Uses Thereof
A nanoparticulate system and its use in treatment of liver cancer or enhancing the effect of a liver cancer vaccine is described.
US- 11512313: Functionally-interdependent Shape Switching Nucleic Acid Nanoparticles
This patent describes the use of a two-nanoparticle system. Each NP contains either coding or complimentary strand of a nucleic acid. Once dosed, the complimentary strands interact causing conformation changes in the nanoparticles resulting in release of the NA complexes.
US- 11512003: Method for Synthesizing Silica Nanoparticles
The invention relates to a method for synthesizing ultrasmall silica nanoparticles, useful for diagnostics and/or therapy.
US- 11510879: Metal-nucleic Acid Nanoparticle, Preparation Method Therefor and Use Thereof
Description of a process to generate and potential uses of a metal-nucleic acid nanoparticle.
US- 11511124: Method and Apparatus For Directing Therapeutic Nanoparticle-labeled Cells To Selected Locations Within The Body And/or For Retaining Therapeutic Nanoparticle-labeled Cells At Selected Locations Within The Body
A method for directing therapeutic nanoparticle-labeled cells to selected locations within the body and/or for retaining therapeutic nanoparticle-labeled cells at selected locations within the body using magnets to maximize the targeted therapeutic benefit.
US- 11510977: Nucleic Acid Vaccines for Coronavirus
Describes the use of lipid nanoparticles to encapsulate and deliver therapeutic nucleic acid molecules for managing, preventing and/or treating infectious diseases caused by coronavirus.
US- 11504327: Method of Preparing Nanoparticles by Hot-melt Extrusion
A topical delivery formulation of nanoparticles loaded with hydrophobic actives by hot melt extrusion is described.
US- 11504329: Compositions for Stabilizing and Delivering Proteins
Formulations of crystalline matrix materials encapsulating biological molecules such as proteins are described.
US- 11504339: Compositions Comprising Urolithin A and Uses Thereof In Treating Kidney Injury
Descriptions of methods for making and use of polymeric nanoparticles, with one or more ligands conjugated to the nanoparticle, and urolithin A.
US- 11504434: Compositions and Methods for Targeted Delivery of Therapeutic And/or Diagnostic Agents
Descriptions of various uses of nanoparticles containing a biodegradable photoluminescent polymer coupled with cells through click chemistry as a delivery and visualization system.
US- 11504688: Extended Release Microparticles Comprising Drug, And Preparation Method Therefor
Description of extended release microparticle formulations.
US- 11504338: GM3 Functionalized Nanoparticles
Generation and use of ganglioside GM3-containing mixed lipids nanoparticles are detailed. The nanoparticles are selectively targeted to and taken up by CD169+ expressing cells.
US- 11504340: Ocular Compositions
This invention describes the generation and use of microparticle or nanoparticle ocular implants using a photopolymerizable polymer for encapsulation of a therapeutic.
US- 11497717: Nanoparticles for Use For Treating A Neuronal Disorder
Manufacture and use of conductive nanoparticles that are activated by an electrical current and are used to treat neurological disorders is given.
US- 11498933: Prodrug Compositions
Description of making and application of nanoparticles of prodrugs dispersed within a carrier material.
US- 11497715: Methods and Devices for Preparation Of Lipid Nanoparticles
The present invention provides for a process for preparing liposomes, lipid discs, and other lipid nanoparticles of various morphologies using a multi-port manifold, wherein the organic lipid solution stream, is mixed with two or more streams of aqueous solution. One of the streams can contain a pharmaceutical.
US- 11497726: Topical Therapy for The Treatment of Cervical Intraepithelial Neoplasia (CIN) And Cervical Cancer Using Nanoparticles Of Taxanes
Disclosed are methods useful for the topical therapeutic treatment of cervical intraepithelial neoplasia (CIN) and/or cervical cancer using compositions containing nanoparticles of paclitaxel or other taxanes.
US- 11497809: Multifunctional Nanoparticle Compositions and Uses Thereof
Details the use of multifunctional nanoparticles to enhance the anti-tumor effectiveness of radiation in cancer treatments. The NP’s have a metal oxide core and a functional coating in a matrix carrier.
US- 11497737: Pharmaceutical Compositions of Albumin and Rapamycin
Formulations of nanoparticles of albumin containing rapamycin for treatment of cancer and other diseases.
US- 11497727: System and Method for Making Cannabinoid Nanoparticle Carrier Composition
A method of producing a cannabinoid nanoparticle carrier composition for administration to a human is described.
US- 11491115: Nanoparticles Containing Extracellular Matrix for Drug Delivery
Nanoparticles coated with extracellular matrix for pulmonary delivery of biologics or pharmaceuticals are described.
US- 11491114: Formulations for Enteric Delivery of Therapeutic Agents
Formulations containing pH-sensitive nanoparticles for the enteric delivery of therapeutic agents are provided.
US- 11484479: Formulation for The Elimination of Cariogenic and Opportunistic Pathogens Within the Oral Cavity
Provided are microspheres containing an antimicrobial agent encapsulated within a glycosidic polymer to inhibit the growth of carie-causing organism.
US- 11484512: Nanoparticles Formed of a Polymer and Terbinafine
The present invention relates to a composition for use in the treatment of onychomycosis and/or tinea pedis for topical administration
US- 11484591: Chemoprevention Using Controlled-release Formulations of Anti-interleukin 6 Agents, Synthetic Vitamin A Analogues Or Metabolites, And Estradiol Metabolites
The present disclosure is directed to formulations and methods for treatment of disease such as chemoprevention of cancer, using biodegradable polymeric implants such as microspheres, millicylinders or in situ forming gels. Therapeutic agents such as an anti-interleukin 6 agent, a synthetic vitamin A analogue and/or metabolite, and/or an estradiol metabolite are mentioned as potential candidates for delivery where a cancer has been previously excised or to prevent progression of a precancerous lesion.
US- 11484505: Delivery Compositions, And Methods of Making And Using Same
This invention provides compositions comprising at least one protein nanoparticle comprising a protein and a stealth polymer with therapeutic agent, such as a miRNA and/or siRNA and may also include a cell surface receptor ligand on the surface of the particle.
US- 11484515: Thermoresponsive Hydrogel Containing Polymer Microparticles for Controlled Drug Delivery To The Ear
A system of anti-infective agent-loaded biodegradable polymer microspheres within a thermoresponsive hydrogel.
US- 11484507: Polymeric Nanoparticles Providing Nucleic Acids Encoding TNF-α
Described is a polymeric nanoparticle with a cytokine or a nucleic acid encoding for a cytokine such as TNF-alpha, or other pharmaceutical for treating certain diseases.
US- 11478550: Biodegradable Hydrogel and Methods for Use Thereof
Description of hydrogel compositions comprising block copolymers (BCPs) capable of self-assembly into nanoparticles for the delivery and controlled release of therapeutics.
Bio
US- 11560575-: Highly Efficient Delivery of Plasmid DNA Into Human And Vertebrate Primary Cells In Vitro And In Vivo By Nanocomplexes
The present invention includes synthesis of lipid nanoparticles used to encapsulate nucleic acids used for the transfection of primary leukocytes, myeloid cells, lymphoid cells, monocytes, macrophages, and dendritic cells (DC).
US- 11547680: Benzalkonium-embedded Mesostructured Silica Compositions and Uses of Same
Manufacture and use of novel mesoporous silica nanoparticles (MSNs) templated around and comprising benzalkonium chloride (BAC). These nanoparticles are capable of sustained release of BAC under acidic conditions, thereby acting as a long release antimicrobial agent.
US- 11547117: Coating for Capturing and Killing Viruses on Surfaces
A description of the making and use of upconverting nanoparticles within a layered membrane used to trap viruses isolated from a surface and inactivate them upon exposure to natural light.
US- 11517014: Magnetically Immobilized Microbiocidal Enzymes
This patent provides solid magnetic nanoparticles comprising bacteriostatic, bactericidal, fungistatic, or fungicidal enzymes in one component, and substrates for the enzymes in another component. The compositions are dormant and become active upon exposure to hydration and oxygen.
US- 11498042: Method for The Production of Microgel Building Blocks From Pollen
Description of a new type of biomaterial generated from pollen, and its uses in biological, medicinal, cosmetic, nutritional, and printing applications is given. The biomaterial comprises microgels of sporoderm polymer complex microcapsules (SPC-MCs), produced by deproteinizing the pollen from eudicot plants, to obtain porous SPC-MCs, and hydrolytically degrading the SPC-MCs to obtain microgels of SPC-MCs.
US- 11477986: Method for Inhibiting Growth of Bacteria With A Polymer/silver Nanocomposite
A method of making an antimicrobial nanocomposite comprising PMMA and silver nanoparticles used as an antimicrobial.
Consumer Products/ Cosmetics
US- 11566208: Core-shell Microcapsule with A Polyamine-based Thermosetting Shell
A core-shell microcapsule comprising a core containing a functional ingredient and a shell surrounding the payload, the shell comprising a thermosetting resin formed by the reaction of shell-forming monomers comprising a polyamine and a material comprising a plurality of olefinic double bonds capable of reacting with the polyamine.
US- 11560447: Formaldehyde Free Microspheres and Encapsulation
Processes for producing polymer microcapsules or microparticles using vicinal functional oligomers are described.
US- 11548995: Porous Resin Microparticles and Manufacturing Method for Same
A manufacturing method for porous resin microparticles of polyester thermoplastic.
US- 11547642: Hair Compositions and Methods of Use Thereof
Hair spray compositions comprising a liquid carrier, hollow, fluid-filled microspheres, a polymer fixative, and propellant are provided.
US- 11540985: Stable Microcapsule Compositions
Disclosed are stable microcapsule compositions each containing a microcapsule dispersed in an aqueous phase and a stabilizing agent. Several applications such as delivery and application of fragrance or other active material in a time-delayed and controlled manner are given.
US- 11540979: Method for Producing Capsules Comprising At Least One Water-soluble or Hydrophilic Substance, And Resulting Capsules
The present invention relates to a method for preparing solid microcapsules. Cosmetic uses are cited.
US- 11517511: Controlled Release Polymer Encapsulated Fragrances
Description of microcapsules of polymer encapsulated fragrance. The microcapsules are mixed with a water-based binding agent so that a coating forms on the microcapsule in situ, allowing for application to surfaces of a product, from which controlled release of the fragrance is provided.
US- 11504689: Encapsulated Perfume Compositions and Methods Of Preparing Them
An encapsulated perfume composition comprising a slurry of core-shell microcapsules in a suspending medium.
US- 11497691: Shampoo Composition Comprising Sheet-like Microcapsules
Shampoo compositions having an anionic surfactant, cationic deposition polymer, sheet like microcapsules containing perfumes, extracts, dyes, colorants, and/or benefit agents.
US- 11491090: Spherical Microparticles with Polyester Walls
The present invention relates to compositions of spherical microparticles with a cavity containing a gas and/or a liquid, which have pores on the surface. The wall material consists of a composition comprising at least one aliphatic-aromatic polyester.
US- 11491089: Reloadable Microcapsules
A reloadable microcapsule contains a microcapsule core and a microcapsule wall encapsulating the microcapsule core.
US- 11484480: Hair Coloring Composition Comprising Microcapsules
The present disclosure relates to the field of hair coloring compositions. Described herein is an oxidative hair coloring composition including microcapsules made of a perfumed-oil-based core and a polymeric shell. Also described herein are a method for coloring hair and a hair coloring kit.
