Complex block multipolymer surfactants
US4692476A · kind A · utility
4Cited by
4References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 26, 1985 |
| Grant date | Sep 8, 1987 |
| Priority date | — |
| Expiry date | Apr 26, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2475/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Complex block multipolymer surfactants comprising (a) a siloxane polymer terminated with groups containing a hydroxyl(--OH), (b) one or more diols and (c) a diisocyanate and foam compositions of polyurethane employing said surfactants as a stabilizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.