Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...
Reexamination Certificate
2007-07-25
2011-10-25
Gulakowski, Randy (Department: 1766)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From reactant having at least one -n=c=x group as well as...
C560S348000, C560S347000, C560S355000, C435S128000
Reexamination Certificate
active
08044166
ABSTRACT:
The present invention relates to a process for preparing pentamethylene 1,5-diisocyanate, to pentamethylene 1,5-diisocyanate prepared in this way and to the use thereof.
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Fiene Martin
Freyer Stephan
Schulz Gerhard
Siegel Wolfgang
Stroefer Eckhard
BASF - Aktiengesellschaft
Gulakowski Randy
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Washville Jeffrey
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