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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.:

US 11648754 B1

PDFFull Text
Date of Patent:
May. 16, 2023

Filed:

Sep. 29, 2016

Interlayer for laminated glass, and laminated glass

Applicant:

Sekisui Chemical Co., Ltd., Osaka, JP;

Inventors:

Hiromitsu Nishino, Kouka, JP;

Etsurou Hirota, Kouka, JP;

Koji Kumakura, Kouka, JP;

Assignee:

SEKISUI CHEMICAL CO., LTD., Osaka, JP;

Attorney:

Cheng Law Group, PLLC

Primary Examiner:

Catherine A Simone

Int. Cl.
CPC ...
B32B 17/10 (2006.01); B60J 1/02 (2006.01); B32B 3/26 (2006.01); B60J 3/00 (2006.01); B29C 48/00 (2019.01); B29C 48/08 (2019.01); B29C 48/13 (2019.01); B29C 48/21 (2019.01); B60K 35/00 (2006.01); B29K 31/00 (2006.01); B29L 31/30 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
B32B 17/10568 (2013.01); B29C 48/002 (2019.02); B29C 48/08 (2019.02); B29C 48/13 (2019.02); B29C 48/21 (2019.02); B32B 3/263 (2013.01); B32B 17/10018 (2013.01); B32B 17/10036 (2013.01); B32B 17/10541 (2013.01); B32B 17/10577 (2013.01); B32B 17/10587 (2013.01); B32B 17/10596 (2013.01); B32B 17/10761 (2013.01); B60J 1/02 (2013.01); B60J 3/007 (2013.01); B60K 35/00 (2013.01); B29K 2031/04 (2013.01); B29L 2031/30 (2013.01); B29L 2031/778 (2013.01); B32B 2367/00 (2013.01); B32B 2605/006 (2013.01); B60K 2370/347 (2019.05);
Abstract

An interlayer film for laminated glass is disclosed which contains a thermoplastic resin and has a portion where the amount of increase in the thickness is increased in a direction from one end to the other end in the region where the thickness is increased, or has a portion where the amount of increase in the thickness is decreased in a direction from one end to the other end in the region where the thickness is increased, and the ten-point average roughness Rz of the surface at a center position of the portion where the amount of increase in the thickness is increased, or the portion where the amount of increase in the thickness is decreased is 20 μm or more.

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