Patent · US Expired

Acrylic pigment dispersants made by group transfer polymerization

US4656226A · kind A · utility

52Cited by
7References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 1985
Grant dateApr 7, 1987
Priority date—
Expiry dateSep 30, 2005

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F8/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A pigment dispersant comprising an AB block copolymer preferably of polymethyl methacrylate and glycidyl methacrylate made by group transfer polymerization, reacted with polar groups, preferably 4-nitrobenzoic acid.

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