Pigment preparation
US7846997B2 · kind B2 · utility
4Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2006 |
| Grant date | Dec 7, 2010 |
| Priority date | — |
| Expiry date | Mar 29, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/326
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a solid pigment preparation comprising at least 35% by weight of one or more pigments and at most 65% by weight of a dispersant resin, wherein the dispersant resin comprises a polyester backbone having at least one pendent hydrophilic polyalkylene oxide monoalkylether group, the dispersant resin comprising 30 to 80% by weight of alkylene oxide units and having a number average molecular weight of 1,000 to 150,000.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.