Polybenzazole fibers with ultra-high physical properties and method for making them
US5356584A · kind A · utility
14Cited by
3References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 1993 |
| Grant date | Oct 18, 1994 |
| Priority date | — |
| Expiry date | Nov 15, 2013 |
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.