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Class Information
Number: 424/500
Name: Drug, bio-affecting and body treating compositions > Preparations characterized by special physical form > Particulate form (e.g., powders, granules, beads, microcapsules, and pellets) > Contains natural gums and resins
Description: Subject matter in which the particles are impregnated with a natural gum or resin.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8709491 Composition comprising a mixture of dextro- and levo-amphetamines complexed with ion-exchange resin particles to form drug resin particles Apr. 29, 2014
8685425 Microencapsulation product and process Apr. 1, 2014
8637440 Biodegradable personal cleansing compositions and methods relating to same Jan. 28, 2014
8545880 Controlled release oral dosage form Oct. 1, 2013
8449917 Solid herbicide compositions with built-in adjuvant May. 28, 2013
8409617 Vitamin powder composition and method of making Apr. 2, 2013
8383158 Methods and compositions to treat myocardial conditions Feb. 26, 2013
8361509 Pharmaceutical dosage forms for the release of active compounds Jan. 29, 2013
8329628 Biodegradable personal cleansing compositions and methods relating to same Dec. 11, 2012
8282962 Water-dispersible xanthan gum containing composition Oct. 9, 2012
8257744 Pharmaceutical forms for the release of active compounds Sep. 4, 2012
8257738 Encapsulation compositions and process for preparing the same Sep. 4, 2012
8216613 Pellets having a gastric juice-resistant active compound matrix Jul. 10, 2012
8128958 Sustained release pharmaceutical composition Mar. 6, 2012
8052998 Particulate vectors for improving oral absorption of active principles Nov. 8, 2011
8039015 Microencapsulation product and process Oct. 18, 2011
8025892 Cosmetic particulate gel carriers for topically applied active agents Sep. 27, 2011
8012508 Method of targeting sustained release formulations of therapeutic agents to treat lung diseases Sep. 6, 2011
7976941 Boron nitride particles of spherical geometry and process for making thereof Jul. 12, 2011
7879361 Nanoparticles for drug delivery Feb. 1, 2011
7846480 Manufacture of strong, lightweight carrier granules Dec. 7, 2010
7670627 pH triggered targeted controlled release systems for the delivery of pharmaceutical active ingredients Mar. 2, 2010
7473433 Pulmonary delivery of polyene antifungal agents Jan. 6, 2009
7452546 Particles containing agricultural active ingredients Nov. 18, 2008
7241813 End-capped polymers and compositions containing such compounds Jul. 10, 2007
7208480 Polysaccharide based gel Apr. 24, 2007
7205337 End-capped polymers and compositions containing such compounds Apr. 17, 2007
7182957 Polymer blends that swell in an acidic environment and deswell in a basic environment Feb. 27, 2007
7172766 Controlled release insufflation carrier for medicaments Feb. 6, 2007
7115586 Non-inclusion cyclodextrin complexes Oct. 3, 2006
7105176 Production of solid preparations of water-soluble, sparingly water-soluble or water-insoluble active compounds Sep. 12, 2006
7084132 Artemisinins with improved stability and bioavailability for therapeutic drug development and application Aug. 1, 2006
7081450 Water soluble nanoparticles of hydrophilic and hydrophobic active materials and an apparatus and method for their production Jul. 25, 2006
7025991 Drug targeting system, method of its preparation and its use Apr. 11, 2006
7022313 Hydrogel particle formulation Apr. 4, 2006
7008627 Use of complexes for the preparation of compositions for the treatment of sensitive skin, preparation process and hypoallergenic compositions Mar. 7, 2006
6994873 Multiparticulate formulations of lithium salts for oral administration suitable for once-a-day administration Feb. 7, 2006
6982091 Vaginal delivery of chemotherapeutic agents and inhibitors of membrane efflux systems for cancer therapy Jan. 3, 2006
6951846 Artemisinins with improved stability and bioavailability for therapeutic drug development and application Oct. 4, 2005
6939530 Preparation of further diagnostic agents Sep. 6, 2005
6936275 Amino acid modulated extended release dosage form Aug. 30, 2005
6936277 Pharmaceutical excipient having improved compressibility Aug. 30, 2005
6884885 Production of cyclodextrin complexes Apr. 26, 2005
6884756 Water-dispersible pellets Apr. 26, 2005
6878693 Hydrophilic complexes of lipophilic materials and an apparatus and method for their production Apr. 12, 2005
6852709 Biologically useful polyphosphates Feb. 8, 2005
6828334 Fenofibrate-cyclodextrin inclusion complexes and their pharmaceutical composition Dec. 7, 2004
6793937 Method of delivering active material within hydrogel microbeads Sep. 21, 2004
6793938 Biodegradable compositions for the controlled release of encapsulated substances Sep. 21, 2004
6774151 Method of producing an absorbent foam material Aug. 10, 2004

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