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.

Date of Patent:
May. 27, 2025

Filed:

Jun. 23, 2021
Applicant:

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

Inventors:

Jun Ishida, Shiga, JP;

Hiromitsu Nishino, Shiga, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 17/10 (2006.01);
U.S. Cl.
CPC ...
B32B 17/1066 (2013.01); B32B 17/10036 (2013.01); B32B 17/10761 (2013.01); B32B 2250/03 (2013.01); B32B 2307/412 (2013.01);
Abstract

Provided is an interlayer film for laminated glass capable of suppressing color migration. In an interlayer film for laminated glass according to the present invention, when the interlayer film is arranged between two sheets of clear glass conforming to JIS R3202:1996 to obtain a laminated glass X, and parallel light transmittance is measured for the obtained laminated glass X, the interlayer film has a colored region with a parallel light transmittance of less than 60%, and a transparent region with a parallel light transmittance of 60% or more, the interlayer film has an average thickness in the colored region smaller than an average thickness in the transparent region, and the interlayer film has an absolute value of difference between the average thickness in the colored region and the average thickness in the transparent region of 10 μm or more.


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