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:
Jun. 17, 2014
Filed:
Jun. 15, 2010
Céline Vairon, Steckborn, CH;
Marc Maurer, Village-Neuf, FR;
Ulrich Veith, Dornach, CH;
Sascha Gysin, Basel, CH;
Céline Vairon, Steckborn, CH;
Marc Maurer, Village-Neuf, FR;
Ulrich Veith, Dornach, CH;
Sascha Gysin, Basel, CH;
BASF SE, Ludwigshafen, DE;
Abstract
Pigment compositions containing organic pigments with an outstanding migration-free property and an excellent rheology at high concentration, and derivatives thereof containing heterocyclic substituents. The pigment compositions contains (a) carbon black or an organic pigment containing a chromophore Qof the following formula, wherein Zand Zare O or N—, C· is a carbon atom with an electron in a p orbital, and n is an integer from 1 to 4; and (b) a compound containing a chromophore of the following formula (II), wherein Qis an m-valent residue of carbon black or of the chromophore Q; Gis preferably and R, R, R, R, R, R, and Rare preferably all H; m is an integer from 1 to 4. The pigment compositions can be used as rheology modifiers, preferably for pigmented coating compositions.