Interlayer film for laminated glass and laminated glass

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United States of America Patent

PATENT NO 11554574
APP PUB NO 20180264785A1
SERIAL NO

15759827

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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There is provided an interlayer film for laminated glass with which the visibility can be made uniform over the whole area of laminated glass. The interlayer film for laminated glass according to the present invention contains a thermoplastic resin and a heat shielding compound and has one end and the other end being at the opposite side of the one end and having a thickness thicker than the one end, the absolute value of a difference between the thickness of a thickest portion and the thickness of a thinnest portion is 0.1 mm or more, and in a sheet of laminated glass prepared by sandwiching the interlayer film between two sheets of heat ray-absorbing plate glass with a thickness of 2.1 mm, the absolute value of a difference between the visible light transmittance at the thickest portion of the interlayer film and the visible light transmittance at the thinnest portion of the interlayer film is 4% or less.

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First Claim

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Patent Owner(s)

  • SEKISUI CHEMICAL CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ii, Daizou Kouka, JP 27 148
Matsudou, Masaki Kouka, JP 8 13
Oota, Yuusuke Kouka, JP 84 195
Tsunoda, Ryuta Kouka, JP 26 180

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