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:
Dec. 30, 2014
Filed:
Jul. 25, 2007
Applicants:
Ludwig Hasemann, Muellheim-Niederweiler, DE;
Friedrich Lehr, Efringen-Kirchen, DE;
Martin Oberholzer, Witterswil, CH;
Heidrun Schene, Efringen-Kirchen, DE;
Inventors:
Ludwig Hasemann, Muellheim-Niederweiler, DE;
Friedrich Lehr, Efringen-Kirchen, DE;
Martin Oberholzer, Witterswil, CH;
Heidrun Schene, Efringen-Kirchen, DE;
Assignee:
Clariant Finance (BVI) Ltd., Tortola, VG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 44/08 (2006.01); C09B 35/031 (2006.01); C07D 213/77 (2006.01); D21H 21/28 (2006.01); C09B 35/21 (2006.01); C09B 67/22 (2006.01); C09D 11/328 (2014.01);
U.S. Cl.
CPC ...
D21H 21/28 (2013.01); C09B 35/031 (2013.01); C09B 35/21 (2013.01); C09B 67/0055 (2013.01); C09D 11/328 (2013.01); Y10S 8/919 (2013.01);
Abstract
The invention relates to basic bisazo compounds according to formula (I) wherein all substituents are defined as in Claim, their production, their use as dyestuffs as well as material dyed with these dyestuffs.