Patent · US Expired

Pigment dispersing resin and composition containing same

US4556683A · kind A · utility

3Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 18, 1983
Grant dateDec 3, 1985
Priority date
Expiry dateAug 18, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D17/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A pigment dispersing resin which essentially consists of a modified polymer obtained by introducing at least one of acidic groups and basic groups into a polymeric polyol of star-shaped structure prepared by reacting a polyol having at least four hydroxyl groups per molecule with an epoxide, the resin being compatible with pigments and vehicle resins, and a pigment dispersed paste which comprises the pigment dispersing resin and a pigment, the pigment dispersed paste being low in viscosity over a long period of time.

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