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:
Mar. 27, 1984
Filed:
Sep. 01, 1982
Applicant:
Inventor:
Alexander L Johnson, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours & Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 546221 ; 546243 ; 548533 ;
Abstract
Certain antihypertensive 1-substituted cyclic lactam-2-carboxylic acids and their derivatives are prepared by reacting an ester of the formula ##STR1## with a suitable derivative of the formula ##STR2##
Johnson, Alexander. (1984). Process for preparing antihypertensive 1-substituted cyclic (U.S. Patent No. 4439364). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4439364
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile