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:
Jan. 11, 1994
Filed:
Oct. 31, 1990
Applicant:
Inventors:
Karl-Josef Herd, Odenthal-Holz, DE;
Manfred Hoppe, Kuerten, DE;
Hermann Henk, Cologne, DE;
Klaus Kunde, Neunkirchen-Seelscheid, DE;
Frank-Michael Stuohr, Odenthal, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
534643 ; 534573 ; 534583 ; 534630 ; 534632 ; 534730 ; 534752 ; 534753 ; 534775 ; 534787 ; 534788 ; 534789 ; 534795 ; 534799 ; 534829 ; 534844 ; 534845 ; 534860 ;
Abstract
Azo dyestuffs of the formula ##STR1## having the substituent meanings given in the description, are outstandingly suitable for dyeing and printing materials containing hydroxyl groups and amide groups.