Foam premixes having improved processability
US6793845B1 · kind B1 · utility
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4References
7Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 22, 2003 |
| Grant date | Sep 21, 2004 |
| Priority date | — |
| Expiry date | May 6, 2023 |
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.