Patent · US Expired

Pigment dispersion

US5935315A · kind A · utility

5Cited by
2References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 10, 1998
Grant dateAug 10, 1999
Priority date
Expiry dateJun 10, 2018

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K23/22
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to a low-viscosity pigment dispersion free from organic solvents and containing a fatty acid amidoalkoxylate as dispersing agent. The amidoalkoxylate is of the formula ##STR1## wherein R is an aliphatic hydrocarbon group having 7-22 carbon atoms, preferably 9-18 carbon atoms, A is an alkyleneoxy group having 2-3 carbon atoms, X is hydrogen or the group (A).sub.n H, wherein A has the meaning stated above, n is a number of 1-15, the sum of all n being 3-20. The pigment dispersion can be used in paints based on water as well as organic solvents.

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