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Class Information
Number: 424/501
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 solid synthetic resin
Description: Subject matter in which the particles are impregnated with a solid synthetic resin.


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Patent Number Title Of Patent Date Issued
5449521 Supported drugs with increased dissolution rate, and a process for their preparation Sep. 12, 1995
5439688 Process for preparing a pharmaceutical composition Aug. 8, 1995
5429826 Chemically fixed micelles Jul. 4, 1995
5429825 Rotomelt granulation Jul. 4, 1995
5424076 Method of producing microscopic particles made of hydrolytically decomposable polymers and containing active substances Jun. 13, 1995
5417977 Method of producing an absorbent composition May. 23, 1995
5403595 Controlled, sustained release delivery system for smoking cessation Apr. 4, 1995
5399357 Sustained release preparations Mar. 21, 1995
5399353 Preparations for covering undamaged and/or damaged areas of human or animal skin Mar. 21, 1995
5393333 Film-forming product for coating solid forms, process for its manufacture and products coated with this film-forming product Feb. 28, 1995
5384124 Solid porous unitary form comprising micro-particles and/or nano-particles, and its preparation Jan. 24, 1995
5384133 Pharmaceutical formulations comprising microcapsules Jan. 24, 1995
5354556 Controlled release powder and process for its preparation Oct. 11, 1994
5354560 Supported drugs with increased dissolution rate, and a process for their preparation Oct. 11, 1994
5350584 Spheronization process using charged resins Sep. 27, 1994
5350741 Enteric formulations of physiologically active peptides and proteins Sep. 27, 1994
5334392 Matrix tablet permitting the sustained release of indapamide after oral administration Aug. 2, 1994
5334691 Hydrophilic polyurethanes of improved strength Aug. 2, 1994
5330768 Controlled drug delivery using polymer/pluronic blends Jul. 19, 1994
5328697 Compositions and processes for the sustained release of drugs Jul. 12, 1994
5322696 Flavoring, fragrance, skin texturizing and deodorant materials and method of making same Jun. 21, 1994
5320855 Rotogranulations and taste masking coatings for preparation of chewable pharmaceutical tablets Jun. 14, 1994
5320841 Oral pharmaceutical compositions containing anthocyanosides Jun. 14, 1994
5316774 Blocked polymeric particles having internal pore networks for delivering active substances to selected environments May. 31, 1994
5302401 Method to reduce particle size growth during lyophilization Apr. 12, 1994
5298259 Subunit delivery composition and method Mar. 29, 1994
5292512 Cosmetic or pharmaceutical composition containing microspheres of polymers or of fatty substances filled with at least one active product Mar. 8, 1994
5290560 Extrusion of an admixture of a meltable binder and a food or drug Mar. 1, 1994
5288500 Oral composition containing particles comprising an active substance Feb. 22, 1994
5281418 Method and composition for controlling mountain pine beetles Jan. 25, 1994
5281408 Low density microspheres and their use as contrast agents for computed tomography Jan. 25, 1994
5277915 Gel-in-matrix containing a fractured hydrogel Jan. 11, 1994
5275822 Defoaming composition Jan. 4, 1994
5271945 Sustained release microcapsule for water soluble drug Dec. 21, 1993
5271934 Encapsulated antiperspirant salts and deodorant/antiperspirants Dec. 21, 1993
5268182 Sustained-release drug dosage units of terazosin Dec. 7, 1993
5266248 Method of producing hydroxylapatite base porous beads filler for an organism Nov. 30, 1993
5266331 Controlled release oxycodone compositions Nov. 30, 1993
5262167 Edible, non-baked low moisture cholestyramine composition Nov. 16, 1993
5256400 Pressurized product delivery systems Oct. 26, 1993
5244668 Low-melting moldable pharmaceutical excipient and dosage forms prepared therewith Sep. 14, 1993
5242684 Antimicrobial, low toxicity, non-irritating composition comprising a blend of bis-quaternary ammonium compounds coprecipitated with a copolymer of vinylpyrrolidone and an acrylamido or vinyl q Sep. 7, 1993
5240700 Pharmaceutical composition comprising a medicament and 3-oxygermylpropionic acid Aug. 31, 1993
5238688 Method for preparing a powdered particulate composition Aug. 24, 1993
5236715 Sex attractant for the mint root borer Aug. 17, 1993
5232780 Microcapsules with a polymeric capsule wall Aug. 3, 1993
5229108 Pharmaceutical dosage forms Jul. 20, 1993
5227171 Process for producing flavored pharmaceutical preparation for oral administration using a cold water solution of polyvinyl acetal dimethylaminoacetate Jul. 13, 1993
5223559 Cosmetic composition capable of blurring skin defects Jun. 29, 1993
5219563 Drug adsorbates Jun. 15, 1993

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