Pharmaceutical ion exchange resin composition
Patent 5071646 Issued on December 10, 1991. Estimated Expiration Date: 
November 9, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 9, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesProlonged release pharmaceutical preparations Process for the manufacture of prolonged action vincamine preparations, the vincamine preparations so obtained, and medicaments containing them Production of powdered resin and the powdered resin so produced Method for purifying antihemophilic factor Patent #: 4847362 InventorsAssigneeApplicationNo. 434416 filed on 11/09/1989US Classes:424/78.13, Oxygen or sulfur heterocycle424/78.1, Ion exchange resin424/78.12, Adsorbate or treating agent contains nitrogen424/457, Sustained or differential release424/458, Containing discrete coated particles pellets, granules, or beads424/459, Organic coatings424/460, Containing proteins or derivatives thereof (e.g., gelatin, etc.)424/461, Containing polysaccharide (e.g., cellulose sugars, etc.)424/462, Containing solid synthetic polymers424/491, Containing proteins and derivatives424/494, Cellulose derivatives424/495, Ethyl cellulose424/498, Containing waxes, higher fatty acids, higher fatty alcohols, or derivatives thereof424/500, Contains natural gums and resins424/501, Contains solid synthetic resin514/619, Nitrogen in R514/951, POWDERS, GRANULES OR PARTICLES OF SPECIFIED MESH OR PARTICLE SIZE514/952, Wettable523/122Composition having ingredient providing biocidal or biostatic protection thereto or process of preparingExaminersPrimary: Page, Thurman K.Assistant: Webman, Edward J. Attorney, Agent or FirmInternational ClassesA61K 009/16A61K 047/00 A61J 003/02 C08J 003/12 Foreign Application Priority Data1988-11-11 GBAbstractAn ion exchange resin composition which is readily dispersible in water is provided. This resin composition comprises a granulated ion exchange resin, a pharmacologically active ingredient bound thereto with a sugar or sugar alcohol, and a sufficient amount of water, alcohol or aqueous alcohol to facilitate granulation. The invention further comprises a method for the preparation of such ion exchange resin composition. | |
