Patent · US Expired

Metal complexes of azomethines and process for their manufacture

US4022770A · kind A · utility

15Cited by
5References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 30, 1975
Grant dateMay 10, 1977
Priority date
Expiry dateJan 30, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B57/10
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Metal complexes of azomethines of the formula ##STR1## are useful for coloring plastics and lacquers in yellow to red shades of excellent fastness properties.

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