Foamed thermoplastic polyurethanes
US8067476B2 · kind B2 · utility
2Cited by
8References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2007 |
| Grant date | Nov 29, 2011 |
| Priority date | — |
| Expiry date | May 31, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2375/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Process for the preparation of foamed thermoplastic polyurethanes characterised in that the foaming of the thermoplastic polyurethane is carried out in the presence of thermally expandable microspheres.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.