Dispersants
US8859675B2 · kind B2 · utility
5Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2007 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Mar 20, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K23/16
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides a non-aqueous composition containing a particulate solid, an organic medium and a polyurethane dispersant having laterally attached pendant groups with tertiary amine group(s), an essentially linear backbone and laterally attached solvent-solubilising side chains of a polyester or polyether including mixtures of such side chains.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.