Patent · US Expired

Iminoisoindolinone pigments and process for their manufacture

US3971805A · kind A · utility

4Cited by
2References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 17, 1975
Grant dateJul 27, 1976
Priority date
Expiry dateApr 17, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D209/50
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Iminoisoindolinone pigments of the formula ##SPC1## Wherein the X denote chlorine or bromine atoms are useful for coloring plastics and lacquers in fast yellow shades.

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