Photoactive materials
US7750185B2 · kind B2 · utility
2Cited by
4References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2003 |
| Grant date | Jul 6, 2010 |
| Priority date | — |
| Expiry date | Dec 25, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133711
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Diamine compounds, which in particular are useful as precursors for the production of liquid crystal alignment layers, represented by general formula (I), wherein A1 represents an organic group of 1 to 40 carbon atoms; A2 represents a hydrogen atom or an organic group of 1 to 40 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.