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:
Jun. 25, 2024
Filed:
Apr. 13, 2021
Applicants:
Kuraray Co., Ltd., Okayama, JP;
Mitsui Chemicals, Inc., Tokyo, JP;
Inventors:
Assignees:
KURARAY CO., LTD., Okayama, JP;
MITSUI CHEMICALS, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/08 (2006.01); B32B 1/08 (2006.01); B32B 7/02 (2019.01); B32B 27/30 (2006.01); B32B 27/32 (2006.01);
U.S. Cl.
CPC ...
B32B 27/08 (2013.01); B32B 1/08 (2013.01); B32B 7/02 (2013.01); B32B 27/306 (2013.01); B32B 27/32 (2013.01); B32B 2250/246 (2013.01); B32B 2250/40 (2013.01); B32B 2307/732 (2013.01); B32B 2597/00 (2013.01);
Abstract
Provided are: a multilayer structure having a strong initial interlayer adhesive force, with a decrease of the interlayer adhesive force being prevented even in a case of use in a harsh environment such as exposure to hot water, an acid, or an alkali for a long period of time; a method for producing such a multilayer structure; and a sheet for preventing diffusion of hazardous substances, a landfill geomembrane, and a multilayer pipe, each including such a multilayer structure.