Patent · US Expired

Iminoisoindoline pigments and processes for the preparation thereof

US3979386A · kind A · utility

7Cited by
5References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 22, 1974
Grant dateSep 7, 1976
Priority date
Expiry dateMay 22, 1994

Classification

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

Abstract

Iminoisoindolinone pigments of the formula ##SPC1## Wherein X represents halogen atoms, Y represents a halogen atom, an alkoxy, cycloalkoxy, aralkoxy, aryloxy, alkylthio or arylthio group, R represents an aromatic radical containing a cyclic bound -CONH group, and Q represents an O-atom or the group =N--R and are useful for coloring plastics and lacquers in yellow shades having excellent fastness properties.

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