Cellulose acetate film having controlled retardation and...

Details Cellulose acetate film having controlled retardation and... Cellulose acetate film having controlled retardation and...

2006-03-28

2006-03-28

Wilson, James O. (Department: 1623)

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

Organic compounds

Carbohydrates or derivatives

C252S299010, C349S096000, C359S483010

Reexamination Certificate

active

07019130

ABSTRACT:
A cellulose acetate film is made of a cellulose acetate having an acetic acid content of 59.0 to 61.5%. The film is controlled to have a Re retardation value in the range of 0 to 20 nm, a Rth retardation value in the range of 30 to 70 nm, and a thickness in the range of 10 to 70 nm.

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