Dispersants from linear polyurethanes
US9315610B2 · kind B2 · utility
0Cited by
8References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 21, 2009 |
| Grant date | Apr 19, 2016 |
| Priority date | — |
| Expiry date | Apr 21, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/2865
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides a non-aqueous composition containing a particulate solid, an organic medium and polyurethane dispersant with a substantially linear anchoring segment pendant tertiary amine group(s) from said anchoring segment and terminally attached solvent-solubilising terminal chains of a polyester, polyether, or polyacrylate including mixtures of such terminal chains.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.