Foam premixes having improved processability
US7449438B2 · kind B2 · utility
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2Claims
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Key dates
| Filing date | Aug 23, 2006 |
| Grant date | Nov 11, 2008 |
| Priority date | — |
| Expiry date | Nov 2, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2375/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for improving the processability of foam premixes containing HFC and/or pentane-based blowing agents in polyols is provided, which method comprises adding trans-1,2-dichloroethylene to said premix in an amount effective to enhance said processability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.