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:
Apr. 26, 2011
Filed:
Jan. 22, 2007
Applicants:
Holger Friedrich, Krefeld, DE;
Jurgen Kischkewitz, Ratingen, DE;
Gerald Buchner, Krefeld, DE;
Inventors:
Assignee:
LANXESS Deutschland GmbH, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09C 1/24 (2006.01); C09C 3/00 (2006.01); C04B 20/00 (2006.01); C04B 14/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a black pigment/auxiliary combination having an improved relative color strength of greater than or equal to 110%, the preparation thereof and the use thereof.