Foamed articles
US5985946A · kind A · utility
1Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 5, 1998 |
| Grant date | Nov 16, 1999 |
| Priority date | — |
| Expiry date | Feb 5, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2433/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A foamed article having a closed cell structure formed from: (i) a polymer blend comprising at least 80% by weight of a styrenic polymer and up to 20% by weight of an acrylic polymer; and (ii) gaseous carbon dioxide blowing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.