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...

2005-10-03

2009-02-24

Tentoni, Leo B (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

By casting liquids on a solid supporting or shaping surface

C264S217000, C264S234000

Reexamination Certificate

active

07494611

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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Mark, Encyclopedia of Polymer Science and Engineering, 1985, p. 183.

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