Process for spinning polypeptide fibers
US5171505A · kind A · utility
51Cited by
12References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 28, 1990 |
| Grant date | Dec 15, 1992 |
| Priority date | — |
| Expiry date | Nov 28, 2010 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01F6/68
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Polypeptide fibers, fiber spinnable solutions, and a process for forming polypeptide fibers are disclosed. The invention includes forming polypeptide fibers from spinning solutions containing a polypeptide, and a solvent selected from the group consisting of hexafluoroisopropanol, and a mixture of formic acid and at least one lithium halide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.