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:
Dec. 19, 2023
Filed:
Jan. 09, 2020
Lg Chem, Ltd., Seoul, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
Provided is a film including a matrix layer formed with polyimide for a matrix obtained from pyromellitic dianhydride and m-tolidine, a first adhesive layer formed on one surface of the matrix layer and formed with first thermoplastic polyimide, and a second adhesive layer formed on the other surface of the matrix layer and formed with second thermoplastic polyimide, wherein maximum height roughness of a first interface between the matrix layer and the first adhesive layer and maximum height roughness of a second interface between the matrix layer and the second adhesive layer are 1.0 μm or less.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile