Patent application number | Description | Published |
20080206334 | Pharmaceutical Polymer Composition For Oral Controlled-Release Delivery Of Terbutaline Sulfate - The present invention is directed to a controlled-release pharmaceutical composition providing a sustained delivery of the basic drug Terbutaline sulfate, said composition comprising at least Terbutaline sulfate or a derivative thereof as an active agent, and further comprising an inactive matrix, said matrix comprising a hydrophilic polysaccharide polymer mixture, said mixture comprising chitosan or a derivative thereof, and further comprising xanthan gum or a derivative thereof, wherein the ratio of xanthan gum and chitosan within said mixture is in the range from about 1:10 to about 10:1, and said composition optionally comprising sodium bicarbonate. | 08-28-2008 |
20080214677 | Chitosan-Silicon Dioxide Coprecipitate and Use as Excipient in Solid Dosage Forms - Chitosan silicon dioxide coprecipitate composition, method of production thereof, pharmaceutical composition comprising the chitosan silicon dioxide coprecipitate composition and use of the chitosan silicon dioxide coprecipitate composition for manufacturing a sustained or immediate release formulation. | 09-04-2008 |
20100093661 | COMPOSITION COMPRISING CHITOSAN AND AN ACIDIC DRUG FOR ORAL CONTROLLED RELEASE - The present invention relates to a composition comprising an aqueous solvent and a conjugate of at least one hydrophilic polymer having a primary amine functional group, a derivative or monomer thereof and at least one acidic drug; a method for its preparation and use thereof. | 04-15-2010 |
20100286079 | COMPOSITION COMPRISING COVALENT CONJUGATES OF CHITOSAN AND AN ACIDIC DRUG AND PARENTERAL ADMINISTRATION - The present invention relates to a composition comprising an aqueous solvent and a conjugate of at least one hydrophilic polymer having a primary amine functional group, a derivative or monomer thereof and at least one acidic drug; a method for its preparation and use thereof. | 11-11-2010 |