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:
Jul. 06, 1999
Filed:
Apr. 04, 1996
Applicant:
Inventors:
K S Murthy, Brantford, CA;
Gamini Weeratunga, Brantford, CA;
Tianhao Zhou, Brantford, CA;
Bhaskar Reddy Guntoori, Brantford, CA;
Assignee:
Brantford Chemicals Inc., Brantford, CA;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
544367 ; 544374 ; 544377 ; 544379 ; 544284 ; 544291 ;
Abstract
A process is provided for the manufacture of: where R is: ##STR1## comprising reacting: ##STR2## wherein R.sub.1 may be selected from H, Methyl, Ethyl and suitable lower alkyl groups, C.sub.n H.sub.2n+1 (where n is from 3 to 5) or any other suitable group and thereafter if desired converting the resultant product to a salt thereof.
Quick Actions:
Murthy, K. (1999). Process for the manufacture of intermediates suitable to make doxazosin, (U.S. Patent No. 5919931). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5919931
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile