Cellulose ester film and its manufacturing method

Details Cellulose ester film and its manufacturing method Cellulose ester film and its manufacturing method

2008-07-15

2008-07-15

Huson, Monica (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

C264S212000

Reexamination Certificate

active

07399440

ABSTRACT:
Disclosed is a cellulose ester film having a dry thickness of 20 to 60 μm, wherein the cellulose ester film is manufactured according to a solution cast film manufacture process comprising the steps of providing a cellulose ester dope, casting the cellulose ester dope on a support to form a cellulose ester web, peeling the cellulose ester web at a peel position from the support, transporting the peeled web to a dryer, drying the peeled web therein to form a cellulose ester film, and winding the cellulose ester film around a spool, the residual solvent content at the winding step of the cellulose ester film being not more than 0.05% by weight.

REFERENCES:
patent: 4664859 (1987-05-01), Knoop
patent: 4746475 (1988-05-01), Kohn
patent: 4748050 (1988-05-01), Takahashi et al.
patent: 5558206 (1996-09-01), Helgerson et al.
patent: 5862946 (1999-01-01), Roerty et al.
patent: 5922506 (1999-07-01), Hoogmartens et al.
patent: 6036913 (2000-03-01), Shibue et al.
patent: 6320042 (2001-11-01), Michihata et al.
patent: 6582645 (2003-06-01), Takeda
patent: 6731357 (2004-05-01), Tachibana et al.
patent: 6974608 (2005-12-01), Shimizu et al.
patent: 7070719 (2006-07-01), Tachibana et al.
patent: 2002/0039707 (2002-04-01), Goto
patent: 2002/0041352 (2002-04-01), Kuzuhara et al.
patent: 2002/0102369 (2002-08-01), Shimizu et al.
patent: 2002/0156270 (2002-10-01), Kazama et al.
patent: 2003/0170482 (2003-09-01), Murakami
patent: 2004/0052977 (2004-03-01), Ogawa et al.
patent: 2004/0080693 (2004-04-01), Kuzuhara et al.
patent: 2004/0174474 (2004-09-01), Tachibana et al.
patent: 2005/0012239 (2005-01-01), Nakashima
patent: 2005/0238820 (2005-10-01), Tachibana et al.
patent: 1 033 592 (2000-06-01), None

Affiliated with

Also associated with

Rating

Cellulose ester film and its manufacturing method does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Cellulose ester film and its manufacturing method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cellulose ester film and its manufacturing method will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2787799