Optical film
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 5, 2016
Grant Date -
Jan 1, 2015
app pub date -
Jan 4, 2013
filing date -
Jan 6, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Provided are an optical film using a cellulose derivative, useful in an image display device, such as a liquid crystal display or the like, a retardation film and a polarization film using the optical film, and a liquid crystal display having excellent view angle characteristics by using these films, while the optical film uses a cellulose derivative resin in which some hydrogen atoms of hydroxy groups of cellulose are substituted with three or more kinds of substituents.
First Claim
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International Classification(s)
- C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- C08B:POLYSACCHARIDES; DERIVATIVES THEREOF
- G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- G02F:DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF ....
- C08L:COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 2013 Application Filing Year
- C09K Class
- 2036 Applications Filed
- 1761 Patents Issued To-Date
- 86.50 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- C09K Class
- 0 % this patent is cited more than
- 9 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 5, 2028 |
