Extended release pharmaceutical formulations
January 24, 2010. 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 3623997 Fungimycin compositions New oral form of medicament and a method for producing it Sustained release indomethacin Controlled release tablet Super-fast-starting-sustained release tablet Drug delivery device New pharmaceutical forms for administration of medicaments by oral route, with programmed release Controlled release formulation Preparation of nitroesters for coronary artery therapy InventorsApplicationNo. 469210 filed on 01/24/1990US Classes:424/480, Cellulose or derivative424/451, Capsules (e.g., of gelatin, of chocolate, etc.)424/456, Gelatin424/465, With claimed perfecting feature in contents (e.g., excipient, lubricant, etc.)424/474, Coated pills or tablets424/475, Organic coatings424/494, Cellulose derivatives514/960, SIGNIFICANT, TABLET FORMULATION (E.G., DESIGNATED EXCIPIENT, DISINTEGRANT, GLYDENT OR LUBRICANT, ETC.)514/961, Binder therefor514/962, CAPSULE (E.G., GELATIN, ETC.)514/963, Microcapsule-sustained or differential release514/964SUSTAINED OR DIFFERENTIAL RELEASE TYPEExaminersPrimary: Page, Thurman K.Assistant: Harrison, Robert H. Attorney, Agent or FirmForeign Patent References
International ClassA61K 009/36AbstractAn extended release pharmaceutical formulation adapted to approach zero order release of drug over a 12 to at least 24 hour period, comprised of a mixture of 0 to aobut 50% of an immediate release particle containing a drug, inert substrate and binder, coated with talc and up to 100% of an extended release particle comprising the immediate release particle coated with a dissolution modifying system containing plasticizers and a film forming agent.Other References
Field of SearchCapsules (e.g., of gelatin, of chocolate, etc.)Gelatin With claimed perfecting feature in contents (e.g., excipient, lubricant, etc.) Coated pills or tablets Cellulose or derivative Organic coatings Cellulose derivatives SIGNIFICANT, TABLET FORMULATION (E.G., DESIGNATED EXCIPIENT, DISINTEGRANT, GLYDENT OR LUBRICANT, ETC.) Binder therefor CAPSULE (E.G., GELATIN, ETC.) Microcapsule-sustained or differential release SUSTAINED OR DIFFERENTIAL RELEASE TYPE | |
