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:
May. 20, 1997
Filed:
Nov. 22, 1995
Applicant:
Inventor:
Michael L Bloczynski, Elkhart, IN (US);
Assignee:
Bayer Corporation, Elkhart, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
544 37 ; 544102 ;
Abstract
The present invention involves a method for the preparation of substituted 3-(phenylimino)-3 H-phenothiazines or phenoxazines which method involves reacting phenothiazine or phenoxazine with an aromatic amine in the presence of periodic acid as coupling agent.
Bloczynski, Michael. (1997). Method for the preparation of substituted (U.S. Patent No. 5631371). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5631371
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile