Patent · US Expired

New inorganic pigments and process for their preparation

US4272296A · kind A · utility

19Cited by
1References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 4, 1980
Grant dateJun 9, 1981
Priority date
Expiry dateFeb 4, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01P2006/60
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention concerns new inorganic pigments and a process for their preparation. More particularly, it relates to new bismuth vanadate based yellow pigments. The pigments of this invention include orthorhombic barium sulphate as a diluent, said diluent being in an amount comprised between 10 and 90% by weight of the total composition.

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