Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kiyokazu Hashimoto0
Masaaki Otoshi0
Date of Patent
November 9, 2010
0Patent Application Number
114425410
Date Filed
May 30, 2006
0Patent Primary Examiner
Patent abstract
According to the present invention, a cellulose acylate film difficult to be broken even if the stretching ratio is increased upon stretching and whose retardation (Re) is easily controllable to a desired value can be produced by melt film forming. Accordingly, a stretched cellulose acylate film highly oriented and having an appropriate retardation (Re) required from liquid crystal display device manufacturers can be produced.
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