US Patent 7828997 Method for producing cellulose acylate film
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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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Patent Inventor Names
Kiyokazu Hashimoto0
Masaaki Otoshi0
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US Patent 07828997 Method for producing cellulose acylate film US Patent 7828997 Method for producing cellulose acylate film
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Patent Number
078289970
Patent Number
78289970
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Patent Jurisdiction
Patent Number
078289970
Date of Patent
November 9, 2010
0Patent Application Number
114425410
Date Filed
May 30, 2006
0Official Website
Patent Primary Examiner
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US Patent 07828997 Method for producing cellulose acylate film
Infobox
Is a
Patent jurisdiction
Patent number
07828997
Date of patent
November 9, 2010
Patent application number
11442541
Date Filed
May 30, 2006
Patent primary examiner
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