Energy absorbing flexible foams produced in part with a double metal cyanide catalyzed polyol
US7094811B2 · kind B2 · utility
14Cited by
23References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2002 |
| Grant date | Aug 22, 2006 |
| Priority date | — |
| Expiry date | Jul 10, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2350/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Energy absorbing flexible foams can be produced by reacting an isocyanate with a first polyol, prepared at least in part by an active double metal cyanide catalyst and a second polyether polyol is prepared at least in part by a basic or acidic catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.