Melt processable thermoplastic polyurethane-urea elastomers
US11685806B2 · kind B2 · utility
0Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 2021 |
| Grant date | Jun 27, 2023 |
| Priority date | — |
| Expiry date | Jul 19, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2075/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to a melt processable thermoplastic polyurethane-urea composition formed by a continuous bulk process without the presence of solvent using a polyol component, an isocyanate component, and chain extender component comprising a hindered aromatic diamine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.