Polymerizable copolymers for alignment layers
US7632906B2 · kind B2 · utility
8Cited by
7References
12Claims
0Family size
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Key dates
| Filing date | Jul 8, 2004 |
| Grant date | Dec 15, 2009 |
| Priority date | — |
| Expiry date | Feb 2, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2219/03
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Composition comprising at least one ethylenically unsaturated monomer to which a photochemically isomerizable or dimerizable molecule is covalently bonded, and at least one ethylenically unsaturated monomer to which a sensitizer is covalently bonded, are outstandingly suitable for producing polymeric alignment layers for liquid crystals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.