Polymeric foams
US5264462A · kind A · utility
35Cited by
11References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 1, 1993 |
| Grant date | Nov 23, 1993 |
| Priority date | — |
| Expiry date | Mar 1, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J9/143
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for the preparation of a polymeric foam which comprises vaporising a fluorine-containing ether in the presence of a foamable polymer or the precursors of a foamable polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.