SOYBEAN OIL IN HIGH HARDNESS RUBBER FORMULATIONS FOR AUTOMOTIVE GLASS RUN WEATHERSTRIPS AND METHOD

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United States of America Patent

APP PUB NO 20140255651A1
SERIAL NO

13787109

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Abstract

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A weatherstrip is configured for engagement with an associated vehicle window. A body of the weatherstrip has regions of high hardness that include soybean oil as an ingredient in the rubber formulation. Flexible seal portions extend outwardly from the body and are adapted for sliding engagement with the associated vehicle window. Preferably, the soybean oil is approximately 1-25 weight % of the rubber formulation in the high hardness regions. The body has a Shore A durometer on the order of 80-95. A method of forming the weatherstrip includes providing a rubber formulation and substituting at least a portion of a plasticizer with fully hydrogenated soybean oil.

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Patent Owner(s)

Patent OwnerAddress
COOPER-STANDARD AUTOMOTIVE INC40300 TRADITIONS DR NORTHVILLE MI 46168

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gopalan, Krishnamachari Troy, US 46 147
Lenhart, Robert J Fort Wayne, US 24 83

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