Polybenzazole fiber with ultra-high physical properties
US5286833A · kind A · utility
16Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 1992 |
| Grant date | Feb 15, 1994 |
| Priority date | — |
| Expiry date | Dec 3, 2012 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01F6/74
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for making PBZ fibers of ultra-high physical properties is given. Polybenzoxazole fibers made by the process of this invention have tensile strengths nearly double in value from what has been reported previously.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.