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Class Information
Number: 428/402
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.)
Description: Product comprising structurally defined or coated small grains or bits of matter.

Sub-classes under this class:

Class Number Class Name Patents
428/403 Coated 3,336
428/402.2 Microcapsule with fluid core (includes liposome) 992
428/402.24 Microcapsule with solid core (includes liposome) 664

Patents under this class:

Patent Number Title Of Patent Date Issued
8709599 Spin transition material Apr. 29, 2014
8709589 White polyester film and surface light source therewith Apr. 29, 2014
8709262 (4930 Apr. 29, 2014
8703980 Process for the preparation of darunavir Apr. 22, 2014
8703843 Solvent extraction microencapsulation with tunable extraction rates Apr. 22, 2014
8703665 Materials comprising deaggregated diamond nanoparticles Apr. 22, 2014
8703291 Fuser member Apr. 22, 2014
8703271 Thermal interface material Apr. 22, 2014
8701879 Frangible capsule-in-capsule chemical delivery systems and methods of fabrication Apr. 22, 2014
8691281 Solid pharmaceutical composition containing 6-oxo-6,7,8,9,10,11-hexahydrocyclohepta (C)chromen-3-yl sulfamate and polymorphs thereof Apr. 8, 2014
8685947 Compositions and methods for loop diuretics with consistent bioavailability Apr. 1, 2014
8685858 Formation of metal nanospheres and microspheres Apr. 1, 2014
8685755 Combinatorial multidomain mesoporous chips and a method for fractionation, stabilization, and storage of biomolecules Apr. 1, 2014
8679625 Solar cell sealing film and solar cell using the sealing film Mar. 25, 2014
8679622 Casting mass, in particular, for the production of kitchen sinks, molded sanitary articles, kitchen worktops or the like Mar. 25, 2014
8679429 Hexagonal boron nitride powder having specific bulk density and residual Fe particles, and method for producing same Mar. 25, 2014
8679207 Wear resisting particle and wear resisting structure member Mar. 25, 2014
8673441 Antimicrobial plastics product and process for production thereof Mar. 18, 2014
8673427 System, method and apparatus for increasing average reflectance of a roofing product for sloped roof Mar. 18, 2014
8673253 Amorphous silicon-containing material with hierarchical porosity Mar. 18, 2014
8668968 Composition for plug in base-isolated structure, plug for base-isolated structure and base-isolated structure Mar. 11, 2014
8668852 Powder for molding and method for producing molded article using the same Mar. 11, 2014
8663801 Organic-inorganic nanocomposite and polymer resin comprising the same Mar. 4, 2014
8663800 Lignin production from lignocellulosic biomass Mar. 4, 2014
8658756 Caprolactam-based composition, process for manufacturing an impermeable element, and tank Feb. 25, 2014
8658280 Taggent flakes for covert security applications having a selected shape Feb. 25, 2014
8658279 Porous, free-flowing hydrophobic particles loaded with aqueous fluid with compatibilizer additive Feb. 25, 2014
8658188 Radio-opaque bioactive glass materials Feb. 25, 2014
8658120 Non-thermofusible phenol resin powder, method for producing the same, thermosetting resin composition, sealing material for semiconductor, and adhesive for semiconductor Feb. 25, 2014
8652636 Dried nanocrystalline cellulose of controllable dispersibility and method therefor Feb. 18, 2014
8647743 Ferromagnetic powder composition and method for its production Feb. 11, 2014
8647742 Diagnostic gel composition, method for making a diagnostic gel composition Feb. 11, 2014
8647535 Conductive metal and diffusion barrier seed compositions, and methods of use in semiconductor and interlevel dielectric substrates Feb. 11, 2014
8642174 Near-infrared-absorbing particles, process for their production, dispersion, and article thereof Feb. 4, 2014
8642006 Mesocellular foam particles Feb. 4, 2014
8641921 Room temperature single phase Li insertion/extraction material for use in Li-based battery Feb. 4, 2014
8637588 Optical composite material and optical element Jan. 28, 2014
8637160 Polymer dispersions of vinylaromatic compounds and acrylate monomers prepared in the presence of seed latex and carbohydrate compounds Jan. 28, 2014
8637156 Methods for producing coated phosphors and host material particles using atomic layer deposition methods Jan. 28, 2014
8637155 Process for preparing stable dispersions of starch particles Jan. 28, 2014
8637154 Ceramic beads with smooth surfaces and process for producing the same Jan. 28, 2014
8637153 Method for preparing cerium carbonate and cerium oxide Jan. 28, 2014
8633282 Metal removing agent and metal removing filter Jan. 21, 2014
8633261 Polymer composites having particles with mixed organic modifications Jan. 21, 2014
8633152 Process for making micro-sized protein particles Jan. 21, 2014
8633120 Lyocell fiber Jan. 21, 2014
8632883 Separation media for biomolecules comprising porous hybrid particles containing inorganic metal oxide nanoparticles Jan. 21, 2014
8632882 Dialkoxymagnesium granules and method for their synthesis Jan. 21, 2014
8632789 System and method for delivery of DNA-binding chemotherapy drugs using nanoparticles Jan. 21, 2014
8629187 Cellulose fine particles, and liquid or solid dispersion thereof Jan. 14, 2014

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