Readily available konjac glucomannan as a sustained release excipient
Patent 5486364 Issued on January 23, 1996. Estimated Expiration Date: 
August 15, 2014. 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.
August 15, 2014. 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 References 3928322 Gel system Thermo-irreversible edible gels of glucomannan and xanthan gums Directly compressible sustained release excipient Prolonged release drug tablet formulations Patent #: 5096714 InventorsAssigneeApplicationNo. 290457 filed on 08/15/1994US Classes:424/488, Polysaccharides (e.g., cellulose, etc.)424/409, Solid as carrier or diluent424/465, With claimed perfecting feature in contents (e.g., excipient, lubricant, etc.)424/468, Sustained or differential release type514/960, SIGNIFICANT, TABLET FORMULATION (E.G., DESIGNATED EXCIPIENT, DISINTEGRANT, GLYDENT OR LUBRICANT, ETC.)514/961Binder thereforExaminersPrimary: Webman, Edward J.Attorney, Agent or FirmForeign Patent References
International ClassesA61K 009/22A61K 009/10 A61K 047/36 AbstractA solid dosage form, such as a pharmaceutical tablet, containing a rapidly hydratable konjac glucomannan sustained release excipient such as clarified konjac, cryogenically ground konjac and plasticized konjac. The method of making the tablets by compressing excipient and pharmaceutically active ingredient as dry powders.Other References
Field of SearchPolysaccharides (e.g., cellulose, etc.)Solid as carrier or diluent Tablets, lozenges, or pills With claimed perfecting feature in contents (e.g., excipient, lubricant, etc.) Contains proteins or derivative or polysaccharides or derivative Aftertreated polymer (e.g., grafting, blocking, etc.) Oxygen heterocycle SIGNIFICANT, TABLET FORMULATION (E.G., DESIGNATED EXCIPIENT, DISINTEGRANT, GLYDENT OR LUBRICANT, ETC.) Binder therefor Carbohydrate or lignin, or derivative Polysaccharide PRODUCT WITH ADDED VITAMIN OR DERIVATIVE THEREOF FOR FORTIFICATION Vitamin is A or D Carbohydrate containing Gums or derivatives Purification or recovery From plant material | |
