Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2011-08-16
2011-08-16
Kosack, Joseph (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C548S335100, C548S579000, C564S291000, C564S500000, C568S011000
Reexamination Certificate
active
07999111
ABSTRACT:
The invention relates to a process for the preparation of onium alkylsulfonates by reaction of an onium halide or carboxylate with a symmetrically substituted dialkyl sulfite or with an asymmetrically substituted dialkyl sulfite at temperatures of 50 to 170° C.
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Ignatyev Nikolai (Mykola)
Kucheryna Andriy
Welz-Biermann Urs
Willner Helge
Kosack Joseph
Merck Patent Gesellschaft mit beschrankter Haftung
Millen White Zelano & Branigan P.C.
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