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Class Information
Number: 424/484
Name: Drug, bio-affecting and body treating compositions > Preparations characterized by special physical form > Matrices
Description: Subject matter in which the special physical form includes a reticulated net work of material from which the drug is eluted or released by dissolution of the reticulated network physically holding the drug.


Sub-classes under this class:

Class Number Class Name Patents
424/485 Natural gums, resin or latex 419
424/488 Polysaccharides (e.g., cellulose, etc.) 1,121
424/486 Synthetic polymer 1,598


Patents under this class:
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Patent Number Title Of Patent Date Issued
6261601 Orally administered controlled drug delivery system providing temporal and spatial control Jul. 17, 2001
6262034 Polymeric gene delivery system Jul. 17, 2001
6262115 Method for the management of incontinence Jul. 17, 2001
6258341 Stable glassy state powder formulations Jul. 10, 2001
6254893 Composition for treating dry eye Jul. 3, 2001
6251421 Pharmaceutical composition containing psyllium fiber and a lipase inhibitor Jun. 26, 2001
6251436 Drug preparations for treating sexual dysfunction Jun. 26, 2001
6248359 Multi-tablet oxybutynin system for treating incontinence Jun. 19, 2001
6248360 Complexes to improve oral absorption of poorly absorbable antibiotics Jun. 19, 2001
6245348 Topical, therapeutic composition for external use and method of treatment Jun. 12, 2001
6242509 Gels including bioactive components Jun. 5, 2001
6242573 Method of producing water-insolubilized regenerated collagen fiber Jun. 5, 2001
6238688 Method for repairing blood vessel system May. 29, 2001
6238700 Method for preventing crystal formation in a dispersion of a liquid in a matrix May. 29, 2001
6235312 Liquid crystalline phase drug delivery vehicle May. 22, 2001
6235313 Bioadhesive microspheres and their use as drug delivery and imaging systems May. 22, 2001
6235314 Analgesic, anti-inflammatory and skeletal muscle relaxant compositions May. 22, 2001
6228393 Drug delivery via therapeutic hydrogels May. 8, 2001
6228398 Multiparticulate modified release composition May. 8, 2001
6224913 Conditioning of bioactive glass surfaces in protein containing solutions May. 1, 2001
6221392 Rapidly dissolving robust dosage form Apr. 24, 2001
6221397 Surface cross-linked particles suitable for controlled delivery Apr. 24, 2001
6217859 Microencapsulated genetically engineered microorganisms for clinical application Apr. 17, 2001
6214362 Cosmetic pad for removing low tension substances and applying cosmetics Apr. 10, 2001
6214366 Clearance and inhibition of conformationally altered proteins Apr. 10, 2001
6214368 Bone substitution material and a method of its manufacture Apr. 10, 2001
6214382 Hydrophilic film and process for producing the same Apr. 10, 2001
6210664 Method for gene transfer to the central nervous system Apr. 3, 2001
6210698 Suppository composition Apr. 3, 2001
6211146 60A protein-induced morphogenesis Apr. 3, 2001
6207192 Prolongation of chemical activity of flavorants and therapeutics with cetyl pyridinium chloride Mar. 27, 2001
6207193 Transdermal drug delivery system Mar. 27, 2001
6207194 Pectin process and composition Mar. 27, 2001
6207718 Pharmaceutical compositions containing hedgehog protein Mar. 27, 2001
6203812 Hydrophilic polymer blends used to prevent cow skin infections Mar. 20, 2001
6200605 Antiflatulent composition Mar. 13, 2001
6197329 Anti-nausea compositions and methods Mar. 6, 2001
6197330 System for the treatment of wounds Mar. 6, 2001
6197342 Use of biologically active glass as a drug delivery system Mar. 6, 2001
6197781 Pharmaceutical compositions Mar. 6, 2001
6193985 Tocopherol compositions for delivery of biologically active agents Feb. 27, 2001
6194000 Analgesic immediate and controlled release pharmaceutical composition Feb. 27, 2001
6190699 Method of incorporating proteins or peptides into a matrix and administration thereof through mucosa Feb. 20, 2001
6187842 Sugar compounds, gelling agents, gelling agent compositions processes for the preparation of them, and gel compositions Feb. 13, 2001
6187347 Composition for arresting the flow of blood and method Feb. 13, 2001
6183764 Microbicide treated polymeric materials Feb. 6, 2001
6183771 Transdermal compositions containing levosimendan Feb. 6, 2001
6179871 Means for cartilage repair Jan. 30, 2001
6171609 Therapeutic inhibitor of vascular smooth muscle cells Jan. 9, 2001
6165507 Slow-release pharmaceutical formulations containing mizolastine Dec. 26, 2000

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