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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
5874109 Incorporation of biological molecules into bioactive glasses Feb. 23, 1999
5874402 Use of cell membrane permeants in the treatment of cellular proliferative diseases Feb. 23, 1999
5871777 Incorporation of biologically active molecules into bioactive glasses Feb. 16, 1999
5869098 Fast-dissolving comestible units formed under high-speed/high-pressure conditions Feb. 9, 1999
5866153 Process for the preparation of microcapsules Feb. 2, 1999
5863560 Compositions and methods for topical application of therapeutic agents Jan. 26, 1999
5863984 Biostable porous material comprising composite biopolymers Jan. 26, 1999
5861142 Method for promoting hair, nail, and skin keratinization Jan. 19, 1999
5861174 Temperature sensitive gel for sustained delivery of protein drugs Jan. 19, 1999
5861178 Preparation and use of a protein-enriched soluble fiber composition Jan. 19, 1999
5858330 Pharmaceutical formulations in form of thixotropic gel Jan. 12, 1999
5858384 Controlled delivery compositions and processes for treating organisms in a column of water or on land Jan. 12, 1999
5858385 Controlled release device and method based on aqueous--organic partitioning in porous membranes Jan. 12, 1999
5858395 Base polymer for transdermal absorption preparation comprising a heat-sensitive segmented polyurethane Jan. 12, 1999
5859057 Cockroach repellent Jan. 12, 1999
5853760 Device for the controlled release of active substances Dec. 29, 1998
5853761 Stabilizing agent for oleaginous, physiologically active substances Dec. 29, 1998
5851546 Polymer composition for controlled release of active ingredients in response to pH, and a process of preparing the same Dec. 22, 1998
5849331 Incorporation of biological molecules into bioactive glasses Dec. 15, 1998
5843480 Controlled release diamorphine formulation Dec. 1, 1998
5840054 Method for obstructing lacrimal canaliculi with infusable solution or dispersion Nov. 24, 1998
5840321 Hydrophilic, highly swellable hydrogels Nov. 24, 1998
5840330 Process for the preparation of shaped, compressed controlled-release unit-dosage forms, and the compressed unit-dosage forms thus obtained Nov. 24, 1998
5840334 Self-binding shearform compositions Nov. 24, 1998
5840336 Two-phase matrix for sustained release drug delivery device Nov. 24, 1998
5840338 Loading of biologically active solutes into polymer gels Nov. 24, 1998
5840754 Dosage form comprising oxybutynin Nov. 24, 1998
5837273 Methods and compositions of adherent starch granules for encapsulating pest control agents Nov. 17, 1998
5837281 Stabilized interface for iontophoresis Nov. 17, 1998
5837287 Process for preparing solid pharmaceutical dosage forms Nov. 17, 1998
5837288 Methods for storage of sequencing gels and stored sequencing gels used by such methods Nov. 17, 1998
5837289 Transdermal delivery of medications using a combination of penetration enhancers Nov. 17, 1998
5834020 Dendrimeric compounds Nov. 10, 1998
5830480 Stabilization of sol-gel derived silica-based glass Nov. 3, 1998
5830504 Cooperative combinations of ligands contained within a matrix Nov. 3, 1998
5830506 Method of making a reversible gel drug delivery vehicle Nov. 3, 1998
5830508 Composition for treating dry eye Nov. 3, 1998
5830859 Complex for inducing bone growth in the maxillary sinus Nov. 3, 1998
5827525 Buccal delivery system for therapeutic agents Oct. 27, 1998
5824328 Insecticidal delivery compositions and methods for controlling a population of insects in an aquatic environment Oct. 20, 1998
5824334 Tobacco substitute Oct. 20, 1998
5824342 Flash flow formed solloid delivery systems Oct. 20, 1998
5824344 Pharmaceutical thermal infusion granules Oct. 20, 1998
5824526 Doped sol-gel glasses for obtaining chemical interactions Oct. 20, 1998
5820855 Water powder as a synergist in pest baits Oct. 13, 1998
5820874 Alginate fibres, method of preparation and use Oct. 13, 1998
5817322 Pharmaceutical base and the use of the same Oct. 6, 1998
5817323 Soft gelatin capsule shell compositions Oct. 6, 1998
5817327 Incorporation of biologically active molecules into bioactive glasses Oct. 6, 1998
5814604 Methods for inducing endochondral bone formation comprising administering CBMP-2A, CBMP-2B, and/or virants thereof Sep. 29, 1998

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