Rigid rod polymer based on pyridobisimidazole
US5674969A · kind A · utility
89Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 1995 |
| Grant date | Oct 7, 1997 |
| Priority date | — |
| Expiry date | Oct 27, 2015 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01F6/74
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A rigid rod polymer in which at least 50% of the recurring groups correspond to the formula; ##STR1## Included in the invention are processes for preparation of the above rigid rod polymer and using such polymer as well as compositions employing the above rigid rod polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.