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Browse by Category: Main > Material Science
Class Information
Number: 428/402.24
Name: Stock material or miscellaneous articles > Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof > Particulate matter (e.g., sphere, flake, etc.) > Microcapsule with solid core (includes liposome)
Description: Subject matter wherein the microcapsule contains solid core, e.g., a microcapsular opacifier containing titanium dioxide encapsulated with urea-formaldehyde polymer shell, etc.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8709600 Polymer-encapsulated colorant nanoparticles Apr. 29, 2014
8703843 Solvent extraction microencapsulation with tunable extraction rates Apr. 22, 2014
8691383 Blunt impact indicator tape and method Apr. 8, 2014
8685283 Superficially porous metal oxide particles, methods for making them, and separation devices using them Apr. 1, 2014
8679629 Microcapsules, their use and processes for their manufacture Mar. 25, 2014
8652637 Porous particles with non-porous shell Feb. 18, 2014
8647535 Conductive metal and diffusion barrier seed compositions, and methods of use in semiconductor and interlevel dielectric substrates Feb. 11, 2014
8637592 Microencapsulated rubber additives and method for production thereof Jan. 28, 2014
8628693 Templated metal particles and methods of making Jan. 14, 2014
8628852 Resin dispersion and resin particle Jan. 14, 2014
8597789 Microstructured multifunctional inorganic coating additives for preventing fouling (growth of biofilm) in aquatic applications Dec. 3, 2013
8557382 Layer by layer modification of microcapsules with inorganic materials Oct. 15, 2013
8541103 Silicone polymer particle and silicone composition containing same Sep. 24, 2013
8529805 Method for the production of water absorbent polymer particles by polymerizing drops of a monomer solution Sep. 10, 2013
8524829 Methods for micronization of hydrophobic drugs Sep. 3, 2013
8526099 Method for manufacturing microcapsules, and microcapsule, electrophoretic device and electric apparatus Sep. 3, 2013
8497021 Superoleophilic particles and coatings and methods of making the same Jul. 30, 2013
8497137 Smart hydrogel particles for biomarker harvesting Jul. 30, 2013
8491992 Laminar component made from composite material Jul. 23, 2013
8481114 Water dispersible polymer compositions Jul. 9, 2013
8460791 Polyelectrolyte-modified microcapsules Jun. 11, 2013
8461086 Microcapsule composition for inhibiting an ethylene response in plants, method for preparing microcapsules, and method using the microcapsule composition Jun. 11, 2013
8455098 Encapsulated solid hydrophilic particles Jun. 4, 2013
8404347 Method of synthesis of amphiphilic magnetic composite particles Mar. 26, 2013
8394497 Microencapsulated particles and process for manufacturing same Mar. 12, 2013
8383198 Water dispersible polymer compositions Feb. 26, 2013
8383701 Polymer encapsulated pigment dispersion with high solids content Feb. 26, 2013
8361620 Functionalized halogenated polymers for microencapsulation Jan. 29, 2013
8357318 Wax encapsulation Jan. 22, 2013
8349452 Microcapsules, their preparation and use Jan. 8, 2013
8349451 Capsular fine particle comprising olefinic polymer Jan. 8, 2013
8349435 Mineral surfaced asphalt-based roofing products with encapsulated healing agents and methods of producing the same Jan. 8, 2013
8329856 Biodegradable polymer microparticles and preparation method thereof Dec. 11, 2012
8309229 Polyester resin and thermosetting water-borne coating compositions Nov. 13, 2012
8304075 Coarse-particle microcapsule preparation Nov. 6, 2012
8273699 Process for preparing a perfume particle Sep. 25, 2012
8263432 Material composition having core-shell microstructure used for varistor Sep. 11, 2012
8252414 Polymer particles with additives encapsulated in microvoids Aug. 28, 2012
8246868 Method for producing vesicle, vesicle obtained by the production method, and method for producing frozen particle used in production of vesicle Aug. 21, 2012
8206826 Method for producing heat-expandable microspheres and application thereof Jun. 26, 2012
8192841 Microencapsulated delivery vehicle having an aqueous core Jun. 5, 2012
8188162 Process for preparing an encapsulated particulate solid May. 29, 2012
8163207 Microcapsules Apr. 24, 2012
8147959 Color-change laminate Apr. 3, 2012
8138252 Thermally disappearing resin particle Mar. 20, 2012
8119214 Encapsulated cure systems Feb. 21, 2012
8119238 Self-healing wire insulation Feb. 21, 2012
8105652 Methods of making decomposable thin films of polyelectrolytes and uses thereof Jan. 31, 2012
8084516 Water-based inks for ink-jet printing Dec. 27, 2011
8076846 Metal oxide nanoparticles, production method thereof, light-emitting element assembly, and optical material Dec. 13, 2011

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