Patent · US Expired

Colorant compositions

US6919453B1 · kind B1 · utility

0Cited by
10References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 19, 2003
Grant dateJul 19, 2005
Priority date—
Expiry dateSep 11, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D487/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Colorant compositions, and intermediate chemical compositions of colorant compositions are made from 1,2,4-triazolo[4,3-a][1,3,5]triazine-3,5,7-substituted compounds.

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