Patent · US Expired

Safer pigment preparations

US6479569B2 · kind B2 · utility

4Cited by
13References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 8, 2000
Grant dateNov 12, 2002
Priority date
Expiry dateDec 13, 2020

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K2003/323
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The invention relates to a pigment preparation comprising an organic pigment and 0.2 to 20% by weight, based on the total weight of the pigment preparation, of an ammonium polyphosphate or of an organophosphorus compound.

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