The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 08, 1994
Filed:
Jan. 06, 1994
Applicant:
Inventors:
John F Bauer, Lake Bluff, IL (US);
James A Morley, Gurnee, IL (US);
Assignee:
Abbott Laboratories, Abbott Park, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514254 ; 544291 ;
Abstract
A process for preparing a novel anhydrous crystalline polymorph of anhydrous 1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(tetrahydro-2-furoyl) piperazine monohydrochloride comprises contacting the known amorphous, crystalline dihydrate, or crystalline anhydrous form I of the compound with a polar organic solvent.
Quick Actions:
Bauer, John. (1994). Terazosin polymorph and pharmaceutical composition (U.S. Patent No. 5362730). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5362730
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