Preparation of poly (urethaneurea) fibers
US6171537A · kind A · utility
2Cited by
3References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 25, 1999 |
| Grant date | Jan 9, 2001 |
| Priority date | — |
| Expiry date | Mar 25, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C48/875
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process for the preparation of poly(urethaneurea) fibers by reacting a blocked aliphatic diamine with a capped glycol prepolymer, followed by extrusion spinning, is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.