WASHABLE VISCOELASTIC FLEXIBLE POLYURETHANE FOAMS
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United States of America Patent
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Issued Date -
Jun 13, 2013
app pub date -
Nov 29, 2012
filing date -
Dec 2, 2011
priority date (Note) -
Abandoned
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Abstract
A process for producing viscoelastic flexible polyurethane foams having an air flow value of at least 1 dm3/s is provided. A polymeric compound having isocyanate-reactive groups in addition to a polyisocyanate is used in the process. The viscoelastic flexible polyurethane foam obtained by such a process and the use of such polyurethane foams for mattresses and cushions are also described.
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