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. 29, 1977
Filed:
Feb. 18, 1976
Applicant:
Inventors:
William Lesley Matier, Evansville, IN (US);
John David Catt, Evansville, IN (US);
Assignee:
Mead Johnson & Company, Evansville, IN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
424251 ; 2602 / ;
Abstract
A series of novel 4-amino or 4-hydrazino-2-(substituted piperazinyl)-6,7-dimethoxyquinazolines is disclosed having antihypertensive and phosphodiesterase inhibiting properties. Piperazinyl substituents include cycloalkenylcarbonyl, cycloalkylcarbonyl, and methylcycloalkylcarbonyl. A representative embodiment of the invention is 4-amino-2-[4-(cyclopentylcarbonyl)-1-piperazinyl]-6,7-dimethoxyquinazoline .
Matier, William. (1977). 2-piperazinyl-6,7-dimethoxyquinazolines (U.S. Patent No. 4060615). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4060615
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile