Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Reexamination Certificate
2005-02-22
2005-02-22
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...
Reexamination Certificate
active
06858655
ABSTRACT:
Flexible polyurethane foams are produced from a polyisocyanate and a polyether polyol which has been alkoxylated in the presence of a double metal cyanide catalyst and that has at least one ethylene oxide-propylene oxide mixed block.
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Reaction Polymers, Hanser-Verlag, Munich, (month unavailable) 1992, pp. 75-96, Wilson F. Gum, Wolfram Riese and Henri Ulrich, Polyurethanes, Expoxies, Unsaturated Polyesters, Phenolics, Special Monomers, and Additives.
Dietrich Manfred
Grönen Jürgen
Gupta Pramod
Hofmann Jörg
Ooms Pieter
Bayer Aktiengesellschaft
Cooney Jr. John M.
Gil Joseph C.
Whalen Lyndanne M.
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