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:
Apr. 26, 1983
Filed:
Feb. 17, 1982
Applicant:
Inventors:
Ulrich Buhler, Schoneck, DE;
Dieter Cornelius, Darmstadt, DE;
Rudolf Lowenfeld, Dreieich, DE;
Uwe Kosubek, Buttelborn, DE;
Reinhard Hahnle, Konigstein, DE;
Rudolf Schickfluss, Kelkheim, DE;
Assignee:
Cassella Aktiengesellschaft, Frankfurt am Main Fechenheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
2602071 ; 260208 ; 564305 ; 564441 ;
Abstract
An azo dyestuff of the formula ##STR1## wherein R is linear alkyl having 2 to 4 carbon atoms and R' is linear alkyl having 3 to 5 carbon atoms and isopropyl.
Buhler, Ulrich. (1983). Water-insoluble azo dyestuffs, their manufacture and their use (U.S. Patent No. 4381262). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4381262
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile