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:
Apr. 16, 2024
Filed:
Aug. 28, 2019
Applicant:
Oji Holdings Corporation, Tokyo, JP;
Inventors:
Yoshimune Okuyama, Tokyo, JP;
Takeshi Tominaga, Tokyo, JP;
Yoshikazu Fujishiro, Tokyo, JP;
Tadakazu Ishiwata, Tokyo, JP;
Assignee:
Oji Holdings Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 4/32 (2006.01); B29C 55/12 (2006.01); H01G 4/18 (2006.01);
U.S. Cl.
CPC ...
H01G 4/32 (2013.01); B29C 55/12 (2013.01); H01G 4/18 (2013.01); C08L 2203/16 (2013.01); C08L 2203/20 (2013.01);
Abstract
A biaxially stretched polypropylene film which has a thickness of from 1.0 μm to 3.5 μm, a tensile fracture stress at 135° C. of 70 MPa or more in a first direction, and a difference between the tensile fracture stress at 125° C. in the first direction and the tensile fracture stress at 135° C. in the first direction of from 0 MPa to 15 MPa (inclusive).