Patent · US Expired

Bismuth vanadate pigments

US5858080A · kind A · utility

10Cited by
12References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 27, 1997
Grant dateJan 12, 1999
Priority date
Expiry dateMay 27, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K3/11
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Bismuth vanadate pigments, the particle surface of which is coated with 1 to 20% by weight of polyvinyl alcohol, based on the amount of pigment. Bismuth vanadate pigments of this kind are distinguished, in particular in aqueous paint systems, by excellent tinctorial strength and chroma as well as by the high gloss of the finishes obtained therewith.

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