Patent · US Expired

Black colorant composition exhibiting low flairing

US5731398A · kind A · utility

10Cited by
9References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 31, 1996
Grant dateMar 24, 1998
Priority date
Expiry dateMay 31, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K5/0041
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A black colorant composition useful for coloring polyurethanes is provided having a red benzothiazole azo colorant which, when combined with a complementary blue and yellow colorant, exhibits low flairing.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.