Pigment dispersion
US5935315A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 10, 1998 |
| Grant date | Aug 10, 1999 |
| Priority date | — |
| Expiry date | Jun 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.