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DrugPatentWatch concentrates deep knowledge on more than 6,400 small-molecule drugs and 2,300 generic ingredients from 1,700 branded and generic pharmaceutical companies and 700 suppliers, and more than 4,300 active and expired US patents and 74,000 international patents spanning 93 countries and regional patent offices.

Patent: 5,294,615

Summary for Patent: 5,294,615

Title: Terazosin polymorph and pharmaceutical composition
Abstract:A novel anhydrous crystalline polymorph of 1-(4-amino-6,7-dimethoxy- 2-quinazolinyl)-4-(2-tetrahydrofuroyl)piperazine monohydrochloride is disclosed, together with pharmaceutical formulations containing the compound. The novel polymorph exhibits a diminished food effect when administered to human subjects.
Inventor(s): Meyer; Glenn A. (Waukegan, IL), Bauer; John F. (Lake Bluff, IL)
Assignee: Abbott Laboratories (Abbott Park, IL)
Application Number:08/090,721
Patent Claim Types:
see list of patent claims
Compound; Composition; Dosage form; Use;
Patent PDF download available with subscription

Glossary
Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Patented / Exclusive Use
Abbott
HYTRIN
terazosin hydrochloride
TABLET; ORAL019057Aug 7, 1987RXNo5,294,615<disabled>TREATMENT OF HYPERTENSION
Abbott
HYTRIN
terazosin hydrochloride
TABLET; ORAL019057Aug 7, 1987RXNo5,294,615<disabled>TREATMENT OF SYMPTOMATIC BENIGN PROSTATIC HYPERPLASIA
Abbott
HYTRIN
terazosin hydrochloride
TABLET; ORAL019057Aug 7, 1987RXYes5,294,615<disabled>TREATMENT OF HYPERTENSION
Abbott
HYTRIN
terazosin hydrochloride
TABLET; ORAL019057Aug 7, 1987RXYes5,294,615<disabled>TREATMENT OF SYMPTOMATIC BENIGN PROSTATIC HYPERPLASIA
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International Patent Family for Patent: 5,294,615

Country Document Number Publication Date
United States5362730Nov 08, 1994
United States5412095May 02, 1995
United States5947723Sep 07, 1999
Mexico9306196Jan 31, 1994
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