Method of preparing a birefringent polymer film
US10100253B2 · kind B2 · utility
1Cited by
4References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 24, 2013 |
| Grant date | Oct 16, 2018 |
| Priority date | — |
| Expiry date | Apr 21, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2219/03
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a method of preparing a polymer film and to the use of such polymer film as in liquid crystal displays (LCDs) or other optical or electrooptical devices, for decorative or security applications, as alignment layer or optical retardation film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.