Patent · US Expired

Water soluble polymers and dispersions containing them

US4554307A · kind A · utility

54Cited by
2References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 16, 1984
Grant dateNov 19, 1985
Priority date
Expiry dateNov 16, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D7/45
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Pigment dispersions contain, as dispersing agent novel water soluble polymers containing acid groups, preferably polyacrylic acid or copolymers of polyacrylic acid with AMPS, having polydispersity below 1.5 and molecular weight in the range about 1,000 to about 5,000.

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