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Patent application: Polyurethane gel particles for use in flexible foams

Ben Welter - Friday, July 17, 2015

U.S. patent application 20150197610 (applicant Peterson Chemical Technology Inc., Fort Smith, Ark.): 

"Combinations of open cell flexible foams with polyurethane gel particles, and methods of making the combinations are described using a variety of procedures. The open cell flexible foam may partially or wholly comprise polyurethane foam and latex foam. ...

[Claim 2] The composition of claim 1 where the polyurethane gel particles contain at least one phase change material with a solid/liquid phase transition temperature range of from about −10° F. to about 220° F. (about −23° C. to about 104° C.). "

http://www.freepatentsonline.com/20150197610.pdf

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