Dispersion
US5494511A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 2, 1993 |
| Grant date | Feb 27, 1996 |
| Priority date | — |
| Expiry date | Feb 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.