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. 13, 1982
Filed:
Sep. 12, 1980
Applicant:
Inventors:
Dieter vor der Bruck, Bonn, DE;
Gerhard Wolfrum, Leverkusen, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C09B / ;
U.S. Cl.
CPC ...
260207 ; 2602071 ;
Abstract
Water-soluble monoazo dyestuffs are described, which, in the form of the free acid, correspond to the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, R.sub.10 and A have the meaning indicated in the description, and their preparation and suitability for dyeing natural and synthetic fibre materials, in particular for dyeing polyamide fibres.
vor der Bruck, Dieter. (1982). Water-soluble substituted aminocarbonyl monoazo dyestuffs (U.S. Patent No. 4324722). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4324722
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile