Foam blowing agent composition and process for producing foams

United States of America Patent

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Sep 15, 1992
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app pub date
May 20, 1991
filing date
May 20, 1991

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Abstract

This invention relates to the use of polyfluorocarbon blowing agents in the preparation of polymer foams; particularly the use of 1,1-difluoroethane in the preparation of polystyrene foams for food packaging and food serving.

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Patent Owner(s)

Patent Owner	Address
E I DU PONT DE NEMOURS AND COMPANY A CORPORATION OF DE	WILMINGTON DE

International Classification(s)

C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
York, Robert O	Wilmington, DE	3	127

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Foam blowing agent composition and process for producing foams

Number of patents in Portfolio can not be more than 2000

United States of America Patent

07702285

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PATENT NO	5147896
SERIAL NO	07702285
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07702285

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