Pseudoephedrine brompheniramine therapy

Patent 4810502 Issued on March 7, 1989. Estimated Expiration Date:

February 27, 2007. 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.

Abstract Claims Description Full Text

Patent References

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Inventors

Assignee

ALZA Corporation

Application

No. 07/019989 filed on 02/27/1987

US Classes:

424/473, With porous, perforated, apertured, or sieved layer (e.g., dialyzing layer, microporous layer, etc.)424/475, Organic coatings424/480, Cellulose or derivative604/892.1Osmotic or diffusion pumped device or system