Monomer for use in preparation of a polymer to be used in optical devices
US7534503B2 · kind B2 · utility
2Cited by
3References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2002 |
| Grant date | May 19, 2009 |
| Priority date | — |
| Expiry date | Jan 19, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A monomer having general Formula (I) which may be substituted or unsubstituted: where E and E are the same or different and are reactive groups capable of undergoing chain extension; X is O, S, NR5, R5C—CR6 or R5═CR6; Y is O, S, NR7, R7C—CR8 or R7C═CR8; R5, R6 R7 and R8 are the same or different and each is independently H or a substituent group; and each Ar is the same or different and is independently a substituted or unsubstituted aryl or heteroaryl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.