Polybenzimidazole polymers exhibiting nonlinear optical effects
US4579915A · kind A · utility
19Cited by
2References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 2, 1985 |
| Grant date | Apr 1, 1986 |
| Priority date | — |
| Expiry date | Jul 2, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G73/18
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
In one embodiment this invention provides a nonlinear optical substrate which comprises a transparent film of (4-nitrophenyl)-substituted poly-2,2'-(m-phenylene)-5,5'-bibenzimidazole: ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.