Stretched cellulose ester film, hard coat film,...

Details Stretched cellulose ester film, hard coat film,... Stretched cellulose ester film, hard coat film,...

2006-04-13

2009-12-22

Sample, David R (Department: 1794)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With viewing layer of specified composition

C106S182100, C106S184300, C106S186200

Reexamination Certificate

active

07635506

ABSTRACT:
In a stretched cellulose ester film containing a plasticizer, the plasticizer includes at least an aromatic terminal ester type plasticizer expressed by the following general formula (1): and stretched cellulose ester film includes a cellulose ester having a total acyl substitution degree of 2.4 to 2.9, a number average molecular weight (Mn) of 30000 to 200000, and a value of a weight-average molecular weight (Mw)/a number average molecular weight (Mn) being 1.4 to 3.0,in-line-formulae description="In-line Formulae" end="lead"?B—(G—A)n—G—B  General formula (1)in-line-formulae description="In-line Formulae" end="tail"?where B represents a benzenemonocarboxylic acid residue, G represents an alkylene glycol residue having a carbon number of 2 through 12 or an oxyalkylene glycol residue having a carbon number of 4 through 12, A represents an alkylene dicarboxylic acid residue having a carbon number of 4 to 12, and n indicates an integer of 0 or more.

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Notice of Rejection from JP Patent Office in JP 2005-516482.

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