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, 1979
Filed:
Apr. 10, 1978
Applicant:
Inventors:
Thomas A Jenks, Liverpool, NY (US);
Warren N Beverung, Jr, Fairfax, VA (US);
Richard A Partyka, Liverpool, NY (US);
Assignee:
Bristol-Myers Company, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544292 ; 2605709 ; 260575 ; 544250 ;
Abstract
The known blood platelet antiaggregative agent 6,7-dichloro-1,5-dihydroimidazo[2,1-b]quinazolin-2(3H)-one is prepared in high yield via an improved process involving a novel intermediate of the Formula ##STR1## in which R.sup.1 is (lower)alkyl and X is bromo, chloro or iodo. Two processes for the preparation of compounds of the Formula III are disclosed, one of which involves the novel intermediate ##STR2##
Jenks, Thomas. (1979). Alkyl 5,6-dichloro-3,4-dihydro-2(1h)-iminoquinazoline-3-acetate (U.S. Patent No. 4146718). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4146718
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile