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.
Patent No.:
Date of Patent:
Mar. 31, 2020
Filed:
Jun. 29, 2016
Applicant:
Zeon Corporation, Chiyoda-ku, Tokyo, JP;
Inventors:
Kyosuke Inoue, Tokyo, JP;
Hiromu Mashima, Tokyo, JP;
Assignee:
ZEON CORPORATION, Chiyoda-ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); B29C 48/08 (2019.01); B29C 48/00 (2019.01); B29C 48/91 (2019.01); B29C 55/08 (2006.01); C08G 61/08 (2006.01); C08J 5/18 (2006.01); G02B 1/04 (2006.01); B29D 11/00 (2006.01); B29K 9/00 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3083 (2013.01); B29C 48/0018 (2019.02); B29C 48/022 (2019.02); B29C 48/08 (2019.02); B29C 48/91 (2019.02); B29C 55/08 (2013.01); C08G 61/08 (2013.01); C08J 5/18 (2013.01); G02B 1/04 (2013.01); B29D 11/00788 (2013.01); B29K 2009/00 (2013.01); B29K 2995/0032 (2013.01); B29K 2995/0093 (2013.01); C08G 2261/11 (2013.01); C08G 2261/228 (2013.01); C08G 2261/3325 (2013.01); C08G 2261/90 (2013.01); C08J 2347/00 (2013.01);
Abstract
A long-length film formed of a resin containing a polymer having crystailizability, wherein the long-length film has an orientation axis perpendicular to a long side direction of the long-length film, the long-length film has an Nz factor Nz1 satisfying (formula 1), the long-length film has a birefringence Δn satisfying (formula 2), and the polymer has a crystallization degree X satisfying (formula 3):1.0≤Nz1≤1.15  (formula 1)0.01≤Δn≤0.1  (formula 2)15%≤X  (formula 3).