Polymerizable compound
US8765235B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2012 |
| Grant date | Jul 1, 2014 |
| Priority date | — |
| Expiry date | Dec 17, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/3083
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Provided is a novel polymerizable azomethine compound which has a high Δn and is colorless.The compound is represented by the formula (I). P1 and P2 each are a polymerizable group; m1 and m2 each are an integer of from 1 to 10; R1 and R2 each are an alkyl group having from 1 to 4 carbon atoms, an alkoxy group having from 1 to 4 carbon atoms, an alkoxycarbonyl group having from 2 to 5 carbon atoms, an acyloxy group having from 2 to 5 carbon atoms, an acyl group having from 2 to 4 carbon atoms, an amide group having from 2 to 5 carbon atoms, a cyano group or a halogen atom; n1 and n2 each are an integer of from 0 to 4; R3 is a hydrogen atom, or an alkyl group having from 1 to 4 carbon atoms; Z1 and L1 each are a predetermined divalent group; n is 0, 1 or 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.