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. 10, 2026
Filed:
Mar. 29, 2022
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Assignee:
Toray Industries, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 5/18 (2006.01); B32B 27/08 (2006.01); B32B 27/32 (2006.01);
U.S. Cl.
CPC ...
C08J 5/18 (2013.01); B32B 27/08 (2013.01); B32B 27/32 (2013.01); B32B 2250/242 (2013.01); B32B 2270/00 (2013.01); B32B 2307/518 (2013.01); B32B 2307/538 (2013.01); B32B 2307/54 (2013.01); C08J 2323/12 (2013.01); C08J 2423/12 (2013.01);
Abstract
This polypropylene film is characterized in that the tan δ of the main orientation direction at 150° C. is 0.25 or less and the Young's modulus of a direction orthogonal to the main orientation direction is 50 MPa or more at 130° C. The present invention provides a polypropylene film with excellent heat resistance, mechanical strength, and quality.
Fujiwara, Satoshi. (2026). Polypropylene film (U.S. Patent No. 12570815). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12570815
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile