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. 05, 2015
Filed:
Nov. 29, 2011
Applicants:
Helmut-martin Meier, Ratingen, DE;
Christof Heide, Bergisch Gladbach, DE;
Klaus-günter Strumpf, Leverkusen, DE;
Thomas Hübbe, Köln, DE;
Inventors:
Helmut-Martin Meier, Ratingen, DE;
Christof Heide, Bergisch Gladbach, DE;
Klaus-Günter Strumpf, Leverkusen, DE;
Thomas Hübbe, Köln, DE;
Assignee:
Kemira OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 31/043 (2006.01); C09B 31/047 (2006.01); C09B 31/053 (2006.01); C09B 31/057 (2006.01); C09B 31/16 (2006.01); C09B 31/18 (2006.01); C09B 31/28 (2006.01); D06P 3/60 (2006.01); D06P 3/24 (2006.01); D06P 1/02 (2006.01); D06P 1/04 (2006.01); D06P 1/06 (2006.01); C09B 31/26 (2006.01); C09B 31/20 (2006.01); D21H 21/28 (2006.01);
U.S. Cl.
CPC ...
C09B 31/26 (2013.01); C09B 31/18 (2013.01); C09B 31/20 (2013.01); C09B 31/28 (2013.01); D21H 21/28 (2013.01); Y10S 8/918 (2013.01); Y10S 8/919 (2013.01); Y10S 8/924 (2013.01);
Abstract
The present invention relates to new azo dyes, a process for their preparation, and their use for dyeing or printing fibrous materials, to produce materials with brownish shades.