Pendant benzazole rigid-rod aromatic heterocyclic polymer
US4835246A · kind A · utility
12Cited by
12References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 13, 1987 |
| Grant date | May 30, 1989 |
| Priority date | — |
| Expiry date | Aug 13, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G75/32
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided are novel para-ordered aromatic heterocyclic polymers having repeating groups of the following formula ##STR1## wherein Y is --O--, --S--, or --NH--, n is 1 or 2, and Q is ##STR2## wherein Z is --O-- or --S--. There are also provided methods for preparing the above polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.