Patent · US Expired

Aqueous pigment pastes and their use

US4388435A · kind A · utility

23Cited by
1References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 10, 1981
Grant dateJun 14, 1983
Priority date
Expiry dateNov 10, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S524/901
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Pigment pastes, comprising water, an organic solvent, a copolymer of one or more water-immiscible, or only partially water-miscible, copolymerizable .alpha.,.beta.-olefinically unsaturated compounds and one or more water-soluble copolymerizable N-vinyl compounds, and a finely divided pigment and/or filler dispersed in the mixture of water, solvent and copolymer, are used for pigmenting aqueous solutions or dispersions of surface-coating binders, as toner pastes for water-based finishes, and for pigmenting and toning anodic or cathodic electrocoating finishes.

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