Patent · US Expired

Novel compositions based on isoindoline pigments

US4764217A · kind A · utility

6Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 7, 1987
Grant dateAug 16, 1988
Priority date
Expiry dateDec 7, 2007

Classification

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

Abstract

Composition containing PA0 (a) an isoindoline pigment of the formula I ##STR1## and (b) a compound of the formula II ##STR2## Pigment mixtures of this kind, in particular when used in paints, are distinguished in particular by increased tinctorial strength and high lustre and especially by improved rheology. For the definition of the substituents and symbols R.sub.1, R.sub.2, R.sub.3, R.sub.4, Q, X, Y and Z, see claim 1.

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