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Serving hundreds of leading biopharmaceutical companies globally:

Fish and Richardson
Federal Trade Commission
Daiichi Sankyo
Argus Health

Generated: June 25, 2018

DrugPatentWatch Database Preview

Details for Patent: 5,023,076

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Title: Lamina comprising carboxyvinyl polymer
Abstract:A dosage form is disclosed for delivering the beneficial drugs pseudoephedrine and brompheniramine to a biological environment of use.
Inventor(s): Ayer; Atul D. (Mt. View, CA), Hamel; Lawrence G. (Sunnyvale, CA)
Assignee: Alza Corporation (Palo Alto, CA)
Filing Date:Mar 26, 1990
Application Number:07/498,791
Claims:1. A composition comprising 100 weight percent for manufacturing a lamina of a drug dosage form, wherein the composition comprises at least one drug, a hydroxypropylcellulose comprising a hydroxypropyl content of 7% to 16%, a hydroxypropylmethylcellulose comprising a molecular weight of 5,000 to 150,000, and a carboxyvinyl polymer comprising a molecular weight of 5,000 to 5,000,000.

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Serving hundreds of leading biopharmaceutical companies globally:

Fish and Richardson
Farmers Insurance
Chinese Patent Office

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