Cellulose ester film, its manufacturing method, polarizing plate, and liquid crystal display
US6844033B2 · kind B2 · utility
21Cited by
6References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2002 |
| Grant date | Jan 18, 2005 |
| Priority date | — |
| Expiry date | Oct 18, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2323/035
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A cellulose ester film and its manufacturing method are disclosed, the cellulose ester film comprising a compound represented by the following formula (1) in an amount of from 1 to 30% by weight, wherein Y represents an ester bond or a divalent organic group containing an ester bond, RTA and Rd independently represent a substituent, and m and n independently represent an integer of 0 to 5, provided that when m or n is not less than 2, plural Ras or Rbs may be the same or different.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.