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:
Nov. 17, 2020
Filed:
May. 10, 2019
Applicant:
Kuraray Co., Ltd., Kurashiki, JP;
Inventors:
Assignee:
KURARAY CO., LTD., Kurashiki, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); B32B 37/15 (2006.01); E02D 31/00 (2006.01); B09B 1/00 (2006.01);
U.S. Cl.
CPC ...
B32B 27/08 (2013.01); B32B 7/12 (2013.01); B32B 27/304 (2013.01); B32B 27/306 (2013.01); B32B 37/153 (2013.01); E02D 31/004 (2013.01); B09B 1/004 (2013.01);
Abstract
Provided is a polyvinyl chloride ('PVC')/ethylene-vinyl alcohol ('EVOH') multilayer sheet used for the fabrication of liners and covers for the geotechnical industry (“geomembrane”), which sheet has both good flexibility and excellent barrier properties to organic solvents and gases.