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:
Jan. 14, 2025
Filed:
Nov. 11, 2021
Applicants:
Fp Corporation, Hiroshima, JP;
Sunallomer Ltd., Tokyo, JP;
Inventors:
Assignees:
FP Corporation, Hiroshima, JP;
SunAllomer Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/08 (2006.01); B32B 27/32 (2006.01);
U.S. Cl.
CPC ...
B32B 27/08 (2013.01); B32B 27/32 (2013.01); B32B 2250/242 (2013.01); B32B 2250/42 (2013.01); B32B 2307/306 (2013.01); B32B 2307/412 (2013.01); B32B 2307/518 (2013.01); B32B 2307/7376 (2023.05); B32B 2323/10 (2013.01); B32B 2439/00 (2013.01);
Abstract
A polypropylene multilayer sheet comprising: a first biaxially oriented polypropylene layer having a melting point Tmh; and a second biaxially oriented polypropylene layer having a melting point Tml, the first biaxially oriented polypropylene layer and the second biaxially oriented polypropylene layer being alternately laminated, the polypropylene multilayer sheet having a thickness of 0.20 to 3.0 mm, whereinTmh>Tml, and