Composition and method for protecting a therapeutic drug
Patent 4457907 Issued on July 3, 1984. Estimated Expiration Date: 
August 5, 2002. 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 5, 2002. 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 ReferencesInventorAssigneeApplicationNo. 06/405510 filed on 08/05/1982US Classes:424/10.3, Color or color change feature424/477, Containing proteins or derivatives thereof424/482, Containing solid synthetic polymers424/491, Containing proteins and derivatives424/497Containing solid synthetic polymersExaminersPrimary: Rose, Shep K.International ClassA61K 9/28 (20060101)AbstractA therapeutic composition comprising a therapeutic drug that can cause undesirable effects on the pre-intestinal phases when contacting these phases, and an enteric coating surrounding the drug. A method for protecting a therapeutic drug including forming an enteric coating around the drug.Other References
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