Moisture vapor transmitting film of polyurethane blended with an incompatible polymer

United States of America Patent

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Jun 5, 1984
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N/A
app pub date
Jul 12, 1983
filing date
Aug 13, 1980

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Expired

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Abstract

A moisture vapor transmitting film comprising a blend of polyurethane and an incompatible polymer characterized in that the incompatible polymer forms a discrete phase within a continuous matrix of polyurethane and that said film contains voids and processes for the manufacture thereof.

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Patent Owner(s)

Patent Owner	Address
SMITH AND NEPHEW ASSOCIATED COMPANIES LIMITED	2 TEMPLE PLACE VICTORIA EMBANKMENT LONDON WC2R 3BP

International Classification(s)

B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....

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[Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Lloyd, Ronald	Sawbridgeworth, GB2	11	1327
Metcalfe, Peter J	Stansted Mountfitchet, GB2	6	229

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Moisture vapor transmitting film of polyurethane blended with an incompatible polymer

Number of patents in Portfolio can not be more than 2000

United States of America Patent

06512961

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PATENT NO	4452845
SERIAL NO	06512961
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06512961

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