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:
May. 29, 2018
Filed:
Aug. 14, 2015
Basf SE, Ludwigshafen, DE;
BASF SE, Ludwigshafen, DE;
Abstract
An alkali-resistant pigment composition is provided comprising (a) a C.I. Pigment Yellow 139 and (b) an adduct containing a compound of formula (II) or a tautomeric form thereof, wherein X is O, S or NR; Y is O, S or NR; the group -A-B— is selected from the group consisting of —CR═CR, —CRR—CRR, —CY—CRR, —CX—NR, —CR═N—, —CRRNRand Ris hydrogen, C-Calkyl, C-Ccycloalkyl, C-Caryl or C-Caralkyl; R, R, R, R, R, R, R, R, R, R, R, Rand Rare independently of each other hydrogen, halogen, C-Calkyl, C-Calkenyl, or C-Caryl, or Rand Rform a benzoannellated ring; and/or a melamine- or pyrimidine-based compound, which is optionally substituted. The pigment composition may be used as colorant in various applications, especially in coloring high molecular weight organic material, for example, coating compositions, paints, printing inks, liquid inks, plastics, films or fibers.