Patent · US Expired

Novel metal complexes of azomethines and process for their manufacture

US4111947A · kind A · utility

11Cited by
5References
2Claims
0Family size

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Inventors

Key dates

Filing dateMar 1, 1977
Grant dateSep 5, 1978
Priority date
Expiry dateMar 1, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B57/04
  • 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.