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:
Nov. 02, 2010
Filed:
Feb. 12, 2008
Till Borchert, Darmstadt, DE;
Martin Ulrich Schmidt, Frankfurt am Main, DE;
Arpad Acs, Haeundae-Gu, DE;
Ruediger Jung, Kelkheim, DE;
Till Borchert, Darmstadt, DE;
Martin Ulrich Schmidt, Frankfurt am Main, DE;
Arpad Acs, Haeundae-Gu, DE;
Ruediger Jung, Kelkheim, DE;
Clariant Finance (BVI) Limited, Tortola, VG;
Abstract
The invention relates to a pigment composition based on P.Y. 191 of the formula (1) containing 0.05 to 30 mol %, based on the sum of P.Y. 191 and a further yellow colorant, of at least one further yellow colorant of the formula (2) and/or of C.I. Pigment Yellow 100 in which R1, R2, R3 and R4 are each independently hydrogen, halogen, —CH, —NO, or NH—R6 where R6 is C-C-alkyl; R5 is methyl or carboxyl, and where the compound of the formula (2) is not C.I. Pigment Yellow 191.