Polyurethane foams and method of manufacture thereof

Details Polyurethane foams and method of manufacture thereof Polyurethane foams and method of manufacture thereof

2005-03-29

2005-03-29

Cooney, Jr., John M. (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

C521S172000, C521S173000, C521S174000

Reexamination Certificate

active

06872758

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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