Pigment composition
US4698099A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 23, 1986 |
| Grant date | Oct 6, 1987 |
| Priority date | — |
| Expiry date | Jan 23, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B67/0086
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
There is provided a new pigment composition composed of a pigment and a dispersant wherein the dispersant is a phosphoric ester compound represented by the formula below. ##STR1## (where one or more than one of the three R's are hydroxyl-terminated polyester residues obtained by self-polycondensation of a hydroxy-carboxylic acid; and one or two of the three R's, in case of being remained, are hydrogen atoms, cations, or residues of an alcohol excluding the above-mentioned polyesters.)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.