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Class Information
Number: 424/489
Name: Drug, bio-affecting and body treating compositions > Preparations characterized by special physical form > Particulate form (e.g., powders, granules, beads, microcapsules, and pellets)
Description: Subject matter in which the special physical form is a coated or impregnated particle.


Sub-classes under this class:

Class Number Class Name Patents
424/490 Coated (e.g., microcapsules) 1,460
424/500 Contains natural gums and resins 184
424/499 Contains proteins or derivative or polysaccharides or derivative 1,070
424/501 Contains solid synthetic resin 708
424/502 Contains waxes, higher fatty acids, higher fatty alcohols 427


Patents under this class:

Patent Number Title Of Patent Date Issued
7468172 Hydroxapatite calcium phosphates, their methods of preparation and their applications Dec. 23, 2008
7468151 Method for the preparation of purified microparticles Dec. 23, 2008
7465462 Multiparticulate controlled release selective serotonin reuptake inhibitor formulations Dec. 16, 2008
7465437 Delivery of anti-migraine compounds through an inhalation route Dec. 16, 2008
7465436 Delivery of compounds for the treatment of Parkinson's through an inhalation route Dec. 16, 2008
7465435 Delivery of beta-blockers through an inhalation route Dec. 16, 2008
7462368 Polymorphs of sodium 4-[(4-chloro-2-hydroxybenzoyl) amino]butanoate Dec. 9, 2008
7462367 Anticholinergic powder formulations for inhalation Dec. 9, 2008
7462366 Drug delivery particle Dec. 9, 2008
7459146 Stabilized aerosol dispersions Dec. 2, 2008
7456254 Polymer-based sustained release device Nov. 25, 2008
7455858 Compositions and methods for delivery of photosensitive drugs Nov. 25, 2008
7455849 Aqueous, non-alcoholic liquid powder formulations Nov. 25, 2008
7455797 Method and apparatus for producing particles using supercritical fluid Nov. 25, 2008
7452554 Platinum nanocolloid solution, process for producing the same and drink containing platinum nanocolloid Nov. 18, 2008
7452547 Product for treating the skin comprising a polyamine microcapsule wall and a skin lightening agent Nov. 18, 2008
7452546 Particles containing agricultural active ingredients Nov. 18, 2008
7449236 Porous polymeric particle comprising polyvinyl alcohol and having interior to surface porosity-gradient Nov. 11, 2008
7449201 Storage stable power compositions of interleukin-4 receptor Nov. 11, 2008
7449200 Nanoparticles for protein/peptide delivery and delivery means Nov. 11, 2008
7449199 Nanostructural substance Nov. 11, 2008
7449198 Stable salts of O-acetylsalicylic acid with basic amino acids Nov. 11, 2008
7449175 Delivery of erectile dysfunction drugs through an inhalation route Nov. 11, 2008
7449174 Delivery of analgesics through an inhalation route Nov. 11, 2008
7449173 Delivery of alprazolam, estazolam, midazolam or triazolam through an inhalation route Nov. 11, 2008
7449172 Delivery of antiemetics through an inhalation route Nov. 11, 2008
7449136 Method and apparatus for producing composite particles using supercritical fluid as plasticizing and extracting agent Nov. 11, 2008
7445799 Compositions for microbial and chemical protection Nov. 4, 2008
7445797 Enhanced boron nitride composition and polymer-based compositions made therewith Nov. 4, 2008
7445796 Pharmaceutically active particles of a monomodal particle size distribution and method Nov. 4, 2008
7445768 Delivery of sedative-hypnotics through an inhalation route Nov. 4, 2008
7442439 Microencapsulated heat delivery vehicles Oct. 28, 2008
7442402 Bioactive agent release coating Oct. 28, 2008
7442389 Methods of administering microparticles combined with autologous body components Oct. 28, 2008
7442388 Phospholipid-based powders for drug delivery Oct. 28, 2008
7442385 Chemoembolisation Oct. 28, 2008
7442368 Delivery of stimulants through an inhalation route Oct. 28, 2008
7438930 Controlled release formulations having rapid onset and rapid decline of effective plasma drug concentrations Oct. 21, 2008
7438929 Multi-particulate form of medicament, comprising at least two differently coated forms of pellet Oct. 21, 2008
7438927 Methods of treatment using a gastric retained gabapentin dosage Oct. 21, 2008
7435426 Micron sized bicarbonate particles and slurrys containing the same Oct. 14, 2008
7435408 Porous particles comprising excipients for deep lung delivery Oct. 14, 2008
7435407 Inhibition of olfactory neurosensory function to treat eating disorders and obesity Oct. 14, 2008
7431944 Delivery of multiple doses of medications Oct. 7, 2008
7431943 Controlled release and taste masking oral pharmaceutical compositions Oct. 7, 2008
7431942 Orally disintegrable tablets Oct. 7, 2008
7431938 Texturizing composition for cosmetics or pharmaceuticals Oct. 7, 2008
7431916 Administration of medicinal dry powders Oct. 7, 2008
7429394 Ion binding compositions Sep. 30, 2008
7427607 Drug administration method Sep. 23, 2008



 
 
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