New oral form of medicament and a method for producing it
Patent 4083949 Issued on April 11, 1978. Estimated Expiration Date: 
April 11, 1995. 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.
April 11, 1995. 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 2921883 3247066 3538214 3567809 3593855 3648845 3673084 3780147 3835221 InventorAssigneeApplicationNo. 486432 filed on 07/08/1974US Classes:424/459, Organic coatings424/469, Discrete particles in supporting matrix424/494Cellulose derivativesExaminersPrimary: Rose, Shep K.Attorney, Agent or FirmInternational ClassesA61K 009/22A61K 009/36 Foreign Application Priority Data1973-07-17 DTAbstractAn oral form of medicament releases active substance in the gastrointestinal tract at a constant rate.Other References
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