Patent · US Expired

Isoindoline-azine nickel complex with piperazine

US4327212A · kind A · utility

0Cited by
3References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 19, 1980
Grant dateApr 27, 1982
Priority date
Expiry dateMay 19, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09B57/04
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The isoindoline-azine nickel complex of the formula ##STR1## colors plastics, lacquers and printing inks in yellow shades of outstanding fastness properties.

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