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. 25, 2012
Filed:
Jul. 15, 2010
Applicants:
Christian Cremer, Lörrach, DE;
Oliver Becherer, Schwörstadt, DE;
Beate Fröhling, Neustadt, DE;
Inventors:
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61Q 5/10 (2006.01); C07D 213/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed are polymeric dyes of formula (1a), (1b), or (1c); wherein the substituents and variables are defined in the claims and specification. The dyes are distinguished by their depth of shade and their good fastness properties to washing, such as, for example, fastness to light, shampooing and rubbing.