Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Reexamination Certificate
2008-04-03
2011-10-25
Eashoo, Mark (Department: 1767)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
C521S170000
Reexamination Certificate
active
08044109
ABSTRACT:
The present invention relates to polyurethane foam prepared from a polyurethane foam-forming reaction mixture possessing a silicone copolymer surfactant, methods for making the surfactant, and a process for preparing low density polyurethane foams.
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Austin Paul
Feng Lijun
Gu Zhihong
Zhang Wenkai
Eashoo Mark
Godenschwager Peter F
Momentive Performance Materials Inc.
Waters Joseph E.
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