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:
Jun. 25, 2013

Filed:

Nov. 20, 2006
Applicant:

Shinichi Nakai, Fujinomiya, JP;

Inventor:

Shinichi Nakai, Fujinomiya, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

According to an aspect of the present invention, since there are a film formation step for forming a film by cooling and solidifying a thermoplastic resin sheet by sandwiching it between a cooling roller and a press roller; and a drawing step for drawing the resultant film uniaxially or biaxially, it is possible to obtain a thermoplastic resin film for optical use having good thickness accuracy and optical characteristics uniform in the width and length directions.


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