Patent · US Expired

Dispersion

US5494511A · kind A · utility

9Cited by
2References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 2, 1993
Grant dateFeb 27, 1996
Priority date
Expiry dateFeb 2, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D17/001
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A dispersion of a finely divided pigment in a composition of water, one or more water-compatible resins and, as dispersant, a polycyclic aromatic compound having a water-solubilising poly(C.sub.2-4 -alkyleneoxy) chain containing from 3 to 50 alkyleneoxy groups, characterised in that the dispersion contains from 3% to 30% by weight or resin with respect to the total weight of water and resin in the dispersion. The dispersion is suitable for the preparation of water-borne paint and inks.

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