Process for making polyurethaneurea powder
US6475412B1 · kind B1 · utility
1Cited by
8References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 22, 2000 |
| Grant date | Nov 5, 2002 |
| Priority date | — |
| Expiry date | Apr 25, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Polyurethaneurea powders, prepared from spandex under specific process conditions, are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.