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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
6541032 Use of finely divided dye-containing polymers PD as color-imparting constituent in cosmetic compositions Apr. 1, 2003
6537574 Soft tissue augmentation material Mar. 25, 2003
6537575 Synthetic biological membrane with self organizing properties Mar. 25, 2003
6537577 Method of prophylaxis for bovine mastitis Mar. 25, 2003
6537584 Polymer blends that swell in an acidic environment and deswell in a basic environment Mar. 25, 2003
6534088 Fibrate-statin combinations with reduced fed-fasted effects Mar. 18, 2003
6534090 Oral osmotic controlled drug delivery system for a sparingly soluble drug Mar. 18, 2003
6534092 Method for preparing microparticles having a selected polymer molecular weight Mar. 18, 2003
6531159 Materials eliminating cannabinoids and columns for the elimination of cannabinoids with the use of the same Mar. 11, 2003
6528073 Solid cosmetic composition and uses thereof Mar. 4, 2003
6528085 Use of a composition Mar. 4, 2003
6528088 Highly flexible starch-based films Mar. 4, 2003
6528089 Method for producing solid dosing forms Mar. 4, 2003
6524607 Formulations and methods for providing prolonged local anesthesia Feb. 25, 2003
6524609 Treating arthritis in animals with dietary supplements Feb. 25, 2003
6524611 Compositions containing creatine and creatinine Feb. 25, 2003
6524615 Controlled release pharmaceutical composition Feb. 25, 2003
6525020 Compounds and compositions for delivering active agents Feb. 25, 2003
6521244 Body filling material Feb. 18, 2003
6521253 Immediate release tablet Feb. 18, 2003
6521257 Gelled compositions Feb. 18, 2003
6521258 Polymer matrices prepared by supercritical fluid processing techniques Feb. 18, 2003
6521259 Formulations and methods for providing prolonged local anesthesia Feb. 18, 2003
6521265 Method for applying a blood clotting agent Feb. 18, 2003
6521431 Biodegradable cross-linkers having a polyacid connected to reactive groups for cross-linking polymer filaments Feb. 18, 2003
6517825 Polyether-based bile acid sequestrants Feb. 11, 2003
6517858 Bioactive prostheses with immunosuppressive, antistenotic and antithrombotic properties Feb. 11, 2003
6517866 Sertraline salts and sustained-release dosage forms of sertraline Feb. 11, 2003
6517868 Amino acid modulated extended release dosage form Feb. 11, 2003
6517869 Positively charged poly(alpha-(omega-aminoalkyl)lycolic acid) for the delivery of a bioactive agent via tissue and cellular uptake Feb. 11, 2003
6514504 Discontinuous films from skin care compositions Feb. 4, 2003
6514514 Device and method for regeneration and repair of cartilage lesions Feb. 4, 2003
6514516 Formulations and methods for providing prolonged local anesthesia Feb. 4, 2003
6514518 Dosage forms exhibiting multi-phasic release kinetics and methods of manufacture thereof Feb. 4, 2003
6514535 Bioadhesive hydrogels with functionalized degradable crosslinks Feb. 4, 2003
6514536 Drug preparations for treating sexual dysfunction Feb. 4, 2003
6511958 Compositions for regeneration and repair of cartilage lesions Jan. 28, 2003
6509039 Crosslinked products of biopolymers containing amino groups Jan. 21, 2003
6503534 Pharmaceutical compositions for prolonged peptide release and preparation method Jan. 7, 2003
6503536 Granulates of hexahydropyrazine derivatives which can be administered orally Jan. 7, 2003
6503553 Processed dairy products Jan. 7, 2003
6503761 Selective removal of contaminants from a surface using articles having magnets Jan. 7, 2003
6503954 Biocompatible carrier containing actinomycin D and a method of forming the same Jan. 7, 2003
6504079 Terminally sterilized osteogenic devices and preparation thereof Jan. 7, 2003
6500452 Energy-enhancing supplement Dec. 31, 2002
6500456 Compressed nitroglycerin tablet and its method of manufacture Dec. 31, 2002
6497890 Anti-wrinkle preparation and method of reducing wrinkles in facial skin and neck Dec. 24, 2002
6497891 Make-up compositions Dec. 24, 2002
6497899 Rapidly disintegrating and fast-dissolving solid dosage form Dec. 24, 2002
6497902 Ionically crosslinked hydrogels with adjustable gelation time Dec. 24, 2002

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