Process for producing alkenyl aromatic foams having increased thermal insulation using cycloalkane blowing agent and foams produced thereby
US6602923B2 · kind B2 · utility
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14References
8Claims
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Key dates
| Filing date | Feb 1, 2001 |
| Grant date | Aug 5, 2003 |
| Priority date | — |
| Expiry date | Aug 1, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2453/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Processes for producing alkenyl aromatic foams utilizing a cycloaliphatic gas as blowing agent, are described. Also disclosed are alkenyl aromatic foams produced by the process which exhibit increased thermal insulation properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.