Cellulose ester film

Details Cellulose ester film Cellulose ester film

2005-10-25

2005-10-25

Wilson, James O. (Department: 1623)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

C536S063000, C536S065000, C536S088000, C536S089000, C536S115000, C514S057000

Reexamination Certificate

active

06958394

ABSTRACT:
A cellulose ester film is disclosed which comprises a polyhydric alcohol ester, which is an ester of one or more kinds of monocarboxylic acids with an aliphatic polyhydric alcohol, wherein the cellulose ester film has a water vapor transmission rate of from 20 to 260 g/m2·24 hours measured under conditions of 25° C. and 90% RH.

REFERENCES:
patent: 5631078 (1997-05-01), Ellery et al.

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