Intermediate film for laminated glass, method for producing intermediate film for laminated glass, and laminated glass

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United States of America Patent

PATENT NO 10300681
APP PUB NO 20180162105A1
SERIAL NO

15580868

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention aims to provide an interlayer film for a laminated glass which enables production of a laminated glass with suppressed occurrence of optical distortion, a method for producing the interlayer film for a laminated glass, and a laminated glass produced using the interlayer film for a laminated glass. The present invention relates to an interlayer film for a laminated glass produced by an extrusion lip embossing method utilizing melt fracture, the interlayer film for a laminated glass including a laminate that includes two or more resin layers in a stack and having a large number of protrusions and recesses on at least one surface, a maximum height Ry (μm) and an average interval Sm (μm) of the protrusions and recesses measured in conformity with JIS B 0601 (1994) on the surface with protrusions and recesses satisfying a formula (1):

description='In-line Formulae' end='lead'(Ry×Sm)/2≤3,500  (1).description='In-line Formulae' end='tail'

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Patent Owner(s)

  • SEKISUI CHEMICAL CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawate, Hiroshi Shiga, JP 9 16
Kido, Koji Shiga, JP 28 61
Mori, Michiko Shiga, JP 7 14
Yoshida, Shougo Shiga, JP 42 90

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