Cellulose ester film, cellulose ester dope, protective film...

Details Cellulose ester film, cellulose ester dope, protective film... Cellulose ester film, cellulose ester dope, protective film...

2005-12-13

2005-12-13

Pyon, Harold (Department: 1772)

Stock material or miscellaneous articles

Liquid crystal optical display having layer of specified...

With viewing layer of specified composition

C428S001300, C428S439000, C428S441000, C106S171100, C524S733000, C525S330300, C526S329700, C264S200000, C264S207000, C349S096000

Reexamination Certificate

active

06974608

ABSTRACT:
Disclosed is a cellulose ester film comprising a polymer prepared by polymerizing at least one ethylenically unsaturated monomer selected from vinyl esters, vinyl esters having a functional group, acrylic esters, and acrylic esters having a functional group, wherein the polymer has a weight average molecular weight of not more than 5,000.

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patent: 4715686 (1987-12-01), Iwashita et al.
patent: 6503581 (2003-01-01), Shibue et al.
patent: 6512562 (2003-01-01), Kobayashi et al.
Mark, Encyclopedia of Polymer Science and Engineering, 1985, p. 183.

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