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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 420
424/488 Polysaccharides (e.g., cellulose, etc.) 1,121
424/486 Synthetic polymer 1,599


Patents under this class:
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Patent Number Title Of Patent Date Issued
6589998 Gel composition for filling a breast milk duct prior to surgical excision of the duct or other breast tissue Jul. 8, 2003
6585960 Abrasive silica compositions and dentifrice compositions prepared therefrom Jul. 1, 2003
6585991 Termite bait matrix Jul. 1, 2003
6585993 Controlled release neurotoxin system Jul. 1, 2003
6586006 Solid delivery systems for controlled release of molecules incorporated therein and methods of making same Jul. 1, 2003
6586007 Polyolefin additive composition comprising 3,4-dimethyl dibenzylidene sorbitol and rho-methyl dibenzylidene Jul. 1, 2003
6586011 Microencapsulated plasminogen activators Jul. 1, 2003
6579533 Bioabsorbable drug delivery system for local treatment and prevention of infections Jun. 17, 2003
6579536 Sustained-release pharmaceutical preparation containing tilidine mesylate as active ingredient Jun. 17, 2003
6576246 Degradable animal chewing article possessing enhanced safety, durability and mouth-feel Jun. 10, 2003
6576260 Sustained-release form of administration containing tramadol saccharinate Jun. 10, 2003
6576261 Potentiation of inclusion complex formation of cyclodextrin derivatives Jun. 10, 2003
6576263 Delivery systems using preformed biodegradable polymer compositions and methods Jun. 10, 2003
6572873 Generation of therapeutic microfoam Jun. 3, 2003
6569448 Method for preventing crystal formation in a dispersion of a liquid in a matrix May. 27, 2003
6569452 Pharmaceutical formulations in hydroxypropylmethylcellulose capsules May. 27, 2003
6569459 Method of administration of paclitaxel-plasma protein formulation May. 27, 2003
6569466 Conditioning of bioactive glass surfaces in protein containing solutions May. 27, 2003
6565872 Polymeric system for drug delivery and solute separation May. 20, 2003
6565876 Carnitine and inositol phosphate-containing composition useful as dietary supplement or drug May. 20, 2003
6565882 Antibiotic composition with inhibitor May. 20, 2003
6565884 Bone graft material incorporating demineralized bone matrix and lipids May. 20, 2003
6566406 Biocompatible crosslinked polymers May. 20, 2003
6562367 Transdermal therapeutic system (TTS) for administering sexual steroid hormones May. 13, 2003
6562374 Biodegradable porous polymer scaffolds for tissue engineering prepared from an effervescent mixture and its preparation May. 13, 2003
6558682 Discontinuous films from skin care compositions May. 6, 2003
6558694 Zinc chloride unit dose packaging, applicator, and method of use in treating cancer and other skin diseases May. 6, 2003
6558696 Desoxypeganine May. 6, 2003
6558702 Method of modifying the release profile of sustained release compositions May. 6, 2003
6558703 Porous hydroxyapatite particles as carriers for drug substances May. 6, 2003
6558712 Delivery system for pharmaceutical, nutritional and cosmetic ingredients May. 6, 2003
6555129 Transdermal therapeutic system (TTS) containing oxybutynin Apr. 29, 2003
6555131 Therapeutical system for transdermal delivery of levonorgestrel Apr. 29, 2003
6555134 Synergistic mixtures of garlic and lycopene for preventing LDL oxidation Apr. 29, 2003
6555137 Sucralfate-containing composition and process for the preparation thereof Apr. 29, 2003
6555138 Polyethylene glycol matrix pellets for greasy, oily or sticky drug substances Apr. 29, 2003
6555525 Microencapsulation and sustained release of oligonucleotides Apr. 29, 2003
6551612 Methods for modulating the axonal outgrowth of central nervous system neurons Apr. 22, 2003
6551618 Compositions and methods for delivery of agents for neuronal regeneration and survival Apr. 22, 2003
6551619 Pharmaceutical cyclosporin formulation with improved biopharmaceutical properties, improved physical quality and greater stability, and method for producing said formulation Apr. 22, 2003
6552024 Compositions and methods for mucosal delivery Apr. 22, 2003
6548071 Lyophilizate of lipid complex of water insoluble camptothecins Apr. 15, 2003
6548084 Controlled release compositions Apr. 15, 2003
6548555 Basic drug compositions with enhanced bioavailability Apr. 15, 2003
6544547 Nutritional composition containing methionine Apr. 8, 2003
6544555 Antibiotic product, use and formulation thereof Apr. 8, 2003
6541021 Devices and methods for pain management Apr. 1, 2003
6541022 Mineral and cellular patterning on biomaterial surfaces Apr. 1, 2003
6541023 Use of collagen of aquatic origin for the production of supports for tissue engineering, and supports and biomaterials obtained Apr. 1, 2003
6541026 Nutritional composition, methods of producing said composition and methods of using said composition Apr. 1, 2003

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