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:
Aug. 03, 1982
Filed:
Jul. 02, 1980
Applicant:
Inventors:
Henning Reel, Cologne, DE;
Winfried Kruckenberg, Leverkusen, DE;
Karl H Schundehutte, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
260156 ; 260154 ; 260155 ; 260162 ; 260163 ; 260165 ;
Abstract
Azo dyestuffs of the formula ##STR1## wherein X denotes hydrogen, nitro or COOR.sub.1,
Reel, Henning. (1982). Azo dyes with carboxyl polyalkyleneoxy chain moiety (U.S. Patent No. 4342683). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4342683
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile