Polyurethane thickener
US10240110B2 · kind B2 · utility
0Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 6, 2009 |
| Grant date | Mar 26, 2019 |
| Priority date | — |
| Expiry date | Jun 27, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L75/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to novel polyurethanes and to mixtures of such polyurethanes, to processes for their preparation, to their use for producing preparations comprising water and to preparations which comprise the polyurethanes. In particular, the invention relates to water-dispersible polyurethane with an essentially linear backbone composed of alternating hydrophilic and hydrophobic sections.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.