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. 31, 2024
Filed:
Nov. 16, 2021
Applicant:
Unitika Ltd., Osaka, JP;
Inventors:
Assignee:
UNITIKA LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 7/04 (2020.01); B29C 48/00 (2019.01); B29C 48/08 (2019.01); B29K 77/00 (2006.01); B29K 105/00 (2006.01); C08K 7/26 (2006.01);
U.S. Cl.
CPC ...
C08J 7/0427 (2020.01); B29C 48/0018 (2019.02); B29C 48/022 (2019.02); B29C 48/08 (2019.02); C08K 7/26 (2013.01); B29K 2077/10 (2013.01); B29K 2105/251 (2013.01); C08J 2333/08 (2013.01); C08J 2377/10 (2013.01);
Abstract
A laminated film having a resin layer laminated on at least one surface of a base film. The laminated film is characterized by: the base film being a semi-aromatic polyamide film that has been at least uniaxially stretched; the resin layer containing fine particles; the thermal shrinkage factor in the longitudinal direction Sand the thermal shrinkage factor in the width direction Sof the film measured under conditions of 250° C.×5 minutes each being −1.0 to 1.5%; the tensile elongations at break in the longitudinal direction and in the width direction each being 70% or more; and the haze being 3% or less.