Composite glazing having films containing softening agents having low tendency to creep

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United States of America Patent

PATENT NO 8741438
APP PUB NO 20120225287A1
SERIAL NO

13508921

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Abstract

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Composite glass laminates having low tendency to creep contain a softening agent-containing polyvinyl acetal film wherein the polyvinyl acetal has a polyvinyl alcohol content of 12 to 16 weight percent, a molecular weight greater than 110,000 g/mol, and a solution viscosity of more than 80 mPas.

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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
Keller, Uwe Bonn, DE 61 807
Steuer, Martin Liederbach, DE 31 795

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