Novel optical material
US5043395A · kind A · utility
6Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1989 |
| Grant date | Aug 27, 1991 |
| Priority date | — |
| Expiry date | Nov 21, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B1/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
There is disclosed an optical material comprising a cyclization product of a conjugated diene polymer having a cyclization ratio of not less than 80% or a hydrogenated product thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.