Foamed thermoplastic polyurethanes
US7202284B1 · kind B1 · utility
81Cited by
10References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 5, 2000 |
| Grant date | Apr 10, 2007 |
| Priority date | — |
| Expiry date | Jan 5, 2020 |
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 characterized 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.