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. 02, 2021
Filed:
Jan. 13, 2020
Applicant:
Jsp Corporation, Tokyo, JP;
Inventors:
Assignee:
JSP CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/06 (2006.01); B32B 5/18 (2006.01); B32B 27/32 (2006.01); B29C 48/00 (2019.01); B29C 48/07 (2019.01); B29C 48/21 (2019.01); B29L 7/00 (2006.01); B29L 9/00 (2006.01);
U.S. Cl.
CPC ...
B32B 27/065 (2013.01); B29C 48/0012 (2019.02); B29C 48/022 (2019.02); B29C 48/07 (2019.02); B29C 48/21 (2019.02); B32B 5/18 (2013.01); B32B 27/32 (2013.01); B29K 2023/06 (2013.01); B29L 2007/002 (2013.01); B29L 2009/00 (2013.01); B32B 2250/02 (2013.01); B32B 2266/025 (2013.01);
Abstract
A laminated foam sheet having a polyethylene resin foam layer and an antistatic polyethylene layer laminated on one or both sides thereof is produced by coextruding melts for respective layers, wherein the melt for the antistatic layer contains a polyethylene resin, an ionomer resin antistatic agent and a specific amount of volatile plasticizer blend containing an alcohol and a saturated hydrocarbon or a dialkyl ether. The antistatic layer of the obtained laminated foam sheet has specific morphology.