P-Terphenylene-dicarboxylic acids and their synthesis
US4131748A · kind A · utility
15Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 1977 |
| Grant date | Dec 26, 1978 |
| Priority date | — |
| Expiry date | Jun 29, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C63/331
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
p-Terphenylene-dicarboxylic acids in which aromatic groups are attached to the middle phenyl group of the terphenylene moiety. The compounds are useful as monomers in the preparation of rod-like, para-ordered aromatic heterocyclic polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.