The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 09, 2010

Filed:

May. 30, 2006
Applicants:

Masaaki Otoshi, Fujinomiya, JP;

Kiyokazu Hashimoto, Minami-Ashigara, JP;

Inventors:

Masaaki Otoshi, Fujinomiya, JP;

Kiyokazu Hashimoto, Minami-Ashigara, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 41/52 (2006.01); B29C 47/92 (2006.01); B29D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

According to the present invention, a cellulose acylate film difficult to be broken even if the stretching ratio is increased upon stretching and whose retardation (Re) is easily controllable to a desired value can be produced by melt film forming. Accordingly, a stretched cellulose acylate film highly oriented and having an appropriate retardation (Re) required from liquid crystal display device manufacturers can be produced.


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