Pharmaceutical granulate
Patent 5085869 Issued on February 4, 1992. Estimated Expiration Date: 
February 24, 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.
February 24, 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 ReferencesSlow-releasing medical preparation to be administered by adhering to a wet mucous surface Prolonged-action multiple-layer tablets Solid nifedipine preparations and a process for preparing same Sustained release tablets Oral sustained release pharmaceutical preparation Novel controlled release formulations of tetracycline compounds Patent #: 4837030 InventorsAssigneeApplicationNo. 315268 filed on 02/24/1989US Classes:424/499, Contains proteins or derivative or polysaccharides or derivative424/494, Cellulose derivatives424/686, Carbonate or bicarbonate424/692, Magnesium hydroxide or oxide514/819ANTACID, ORALExaminersPrimary: Page, Thurman K.Assistant: Hulina, Amy Attorney, Agent or FirmForeign Patent References
International ClassesA61K 009/16A61K 033/06 Foreign Application Priority Data1988-02-25 EPAbstractA wet granulate is provided for therapeutically useful substances having a water solubility 10 wt % or less and microcrystalline or microfine cellulose or a mixture of both, where substantial amounts of wet binders are avoided.Tableting mixtures with the new granulate possess a good flow pattern and may be compressed to tablets which show an excellent disintegration behavior.Other References
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