US Patent 6872758 Polyurethane foams and method of manufacture thereof
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Patent abstract
A thermoformable polyurethane foam having excellent compression set resistance, and a thermoformable polyurethane foam having excellent compression set resistance and shape retention under load. In another embodiment, at least one additional layer of a polyurethane foam is integrally bonded to the thermoformable foam. A moisture management system for polyurethane foams is also described. The foams have particular utility as shoe sole inserts.
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Patent Inventor Names
Michael Lunt0
Scott S. Simpson0
Sujatha Narayan0
Date of Patent
March 29, 2005
0Patent Application Number
100335400
Date Filed
December 26, 2001
0Patent Primary Examiner
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US Patent 6872758 Polyurethane foams and method of manufacture thereof
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