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.:

US 8337569 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 25, 2012

Filed:

Jul. 15, 2010
Applicants:

Christian Cremer, Lörrach, DE;

Oliver Becherer, Schwörstadt, DE;

Beate Fröhling, Neustadt, DE;

Inventors:

Christian Cremer, Lörrach, DE;

Oliver Becherer, Schwörstadt, DE;

Beate Fröhling, Neustadt, DE;

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.


Find Patent Forward Citations

Cremer, Christian. (2012). Polymeric hair dyes (U.S. Patent No. 8337569). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8337569

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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