Polyvinyl acetal resin film for laminated glass

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United States of America Patent

PATENT NO 11504951
SERIAL NO

16497531

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Abstract

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A polyvinyl acetal resin film for laminated glass,

    a viscosity of toluene/ethanol=1/1 (by mass ratio) solution of a polyvinyl acetal resin in a resin composition constituting the polyvinyl acetal resin film with a concentration of 10% by mass, measured at 30 rpm and 20° C. by using a Brookfield-type (B-type) viscometer, being more than 200 mPa·s,the polyvinyl acetal resin film comprising a plasticizer in an amount of 0 to 20% by mass based on a total mass of the resin composition constituting the polyvinyl acetal resin film, andthe polyvinyl acetal resin film having a thickness of 10 to 350 μm.

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Patent Owner(s)

Patent OwnerAddress
KURARAY EUROPE GMBHHATTERSHEIM AM MAIN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Isoue, Koichiro Kurashiki, JP 32 153
Keller, Uwe Troisdorf, DE 61 789
Koishikawa, Jun Chiyoda-ku, JP 12 100
Yasuda, Hirotaka Kurashiki, JP 20 37

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