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:
Nov. 11, 2025

Filed:

May. 16, 2019
Applicant:

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

Inventors:

Yasuyuki Izu, Roermond, NL;

Masashi Yanai, Roermond, NL;

Hiroaki Inui, Kouka, JP;

Ruud Verheijen, Roermond, NL;

Sho Fujioka, Kouka, JP;

Maya Mitsuka Wakayama, Roermond, NL;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 17/10 (2006.01); B60J 1/00 (2006.01); B60Q 1/30 (2006.01); B60Q 1/44 (2006.01); F21S 43/20 (2018.01); F21W 103/35 (2018.01);
U.S. Cl.
CPC ...
B32B 17/10036 (2013.01); B32B 17/1011 (2013.01); B32B 17/10339 (2013.01); B32B 17/10651 (2013.01); B32B 17/1066 (2013.01); B32B 17/10761 (2013.01); B60J 1/001 (2013.01); B60Q 1/44 (2013.01); F21S 43/26 (2018.01); B32B 2307/402 (2013.01); B32B 2307/412 (2013.01); B32B 2605/006 (2013.01); B32B 2605/08 (2013.01); F21W 2103/35 (2018.01);
Abstract

Provided is an interlayer film for laminated glass that is excellent in unity of appearance. An interlayer film for laminated glass according to the present invention has a first colored part including a part located on one end side of the interlayer film, and a second colored part including a part located on the other end side of the interlayer film, the first colored part has a first gradation part where visible light transmittance increases from the one end side toward the other end side of the interlayer film, the first gradation part forms a tip of the first colored part on the other end side of the interlayer film, the second colored part has a second gradation part where visible light transmittance increases from the other end side toward the one end side of the interlayer film, the second gradation part forms a tip of the second colored part on the one end side of the interlayer film, and the first gradation part and the second gradation part exist in a specific positional relationship.


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