Polyether polyols based on cashew nutshell liquid and flexible foams
US7828991B2 · kind B2 · utility
4Cited by
8References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 8, 2006 |
| Grant date | Nov 9, 2010 |
| Priority date | — |
| Expiry date | Aug 4, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2110/0083
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to novel polyether polyols which are prepared by alkoxylation of renewable resource materials, and particularly cashew nutshell liquid (CNSL), and to a process for the preparation of these novel polyether polyols. This invention also relates to flexible polyurethane foams prepared from these long chain polyether polyols, and to a process for the production of these flexible polyurethane foams.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.