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Browse by Category: Main > Health & Medicine
Class Information
Number: 424/485
Name: Drug, bio-affecting and body treating compositions > Preparations characterized by special physical form > Matrices > Natural gums, resin or latex
Description: Subject matter in which the matrix is of a natural gum or resin or latex.










Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
5834020 Dendrimeric compounds Nov. 10, 1998
5830509 Microparticle complexes with 2-amino-1-phenylpropanol materials Nov. 3, 1998
5827529 External preparation for application to the skin containing lidocaine Oct. 27, 1998
5811388 Delivery of drugs to the lower GI tract Sep. 22, 1998
5811124 Microparticles with high drug loading Sep. 22, 1998
5807581 Collagen-based injectable drug delivery system and its use Sep. 15, 1998
5795585 Ruminant feed additive composition containing novel phosphoric acid-amino acid composite salt and water-soluble high-molecular substance Aug. 18, 1998
5795581 Controlled release of molecular components of dendrimer/bioactive complexes Aug. 18, 1998
5783211 Liposome encapsulated active agent dry powder composition Jul. 21, 1998
5759579 Pharmaceutical suspension systems Jun. 2, 1998
5753254 Therapeutic agents containing thyroid hormones May. 19, 1998
5744152 Polymeric compositions and methods of producing them Apr. 28, 1998
5739005 Use of polymeric films for delivery of nematode eggs and ecological evaluations Apr. 14, 1998
5738875 Process for preparing solid pharmaceutical dosage forms Apr. 14, 1998
5730997 Tastemasked liquid pharmaceutical delivery system Mar. 24, 1998
5730958 Method of treatment of gastroesophageal reflux disease by enhancement of salivary esophageal protection due to mastication Mar. 24, 1998
5730773 Chemical dispensing device and method Mar. 24, 1998
5698210 Controlled delivery compositions and processes for treating organisms in a column of water or on land Dec. 16, 1997
5695779 Release controlled transdermal therapeutic system Dec. 9, 1997
5688510 Process for producing stable medicinal composition, and pharmaceutical preparation Nov. 18, 1997
5686385 Agricultural microcapsule and production thereof Nov. 11, 1997
5679377 Protein microspheres and methods of using them Oct. 21, 1997
5670168 Agglomerated hydrophilic complexes with multi-phasic release characteristics Sep. 23, 1997
5667806 Spray drying method and apparatus Sep. 16, 1997
5667802 Antacid composition Sep. 16, 1997
5662935 Process for preparing controlled release pharmaceutical forms and the forms thus obtained Sep. 2, 1997
5656290 Bisacodyl dosage form with multiple enteric polymer coatings for colonic delivery Aug. 12, 1997
5656294 Colonic delivery of drugs Aug. 12, 1997
5654006 Condensed-phase microparticle composition and method Aug. 5, 1997
5651987 Ulcer prevention and treatment composition Jul. 29, 1997
5648093 Pharmaceutical and other dosage forms Jul. 15, 1997
5646205 Ion complex membrane and a method for producing same Jul. 8, 1997
5645844 Negatively charged chitosan derivative semiochemical delivery system Jul. 8, 1997
5639466 Method for packaging foodstuffs Jun. 17, 1997
5622717 Ulcer prevention method using a melt-spun hydrogel Apr. 22, 1997
5620706 Polyionic insoluble hydrogels comprising xanthan and chitosan Apr. 15, 1997
5616340 Process for making a hard-candy based oral pharmaceutical lozenge containing an antacid Apr. 1, 1997
5599557 Stable hydrated cephalosporin dry powder for oral suspension formulation Feb. 4, 1997
5578307 Shaped articles containing plant extract(s), in particular pellets, and their pharmaceutical or cosmetic use Nov. 26, 1996
5567440 Methods for modifying cell contact with a surface Oct. 22, 1996
5565443 Subcutaneous implants based on normegestrol derivatives Oct. 15, 1996
5558880 Pharmaceutical and other dosage forms Sep. 24, 1996
5552462 Compositions including cationic polymers and anionic xanthan gum Sep. 3, 1996
5549914 Heat stable wound care gel Aug. 27, 1996
5545414 Cholesterol lowering food product Aug. 13, 1996
5538717 Aqueous nail polish containing as film-forming substance particles of polyester-polyurethane which are anionic in dispersion Jul. 23, 1996
5538717 Aqueous nail polish containing as film-forming substance particles of polyester-polyurethane which are anionic in dispersion Jul. 23, 1996
5531735 Medical devices containing triggerable disintegration agents Jul. 2, 1996
5518737 Peroral drug delivery system May. 21, 1996
5482719 Drug delivery systems Jan. 9, 1996

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