Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
2009-02-27
2010-12-28
Davis, Brian J (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C564S305000
Reexamination Certificate
active
07858826
ABSTRACT:
A process for producing 6-dimethylaminomethyl-1-(3-hydroxy- or 3-C1-C4alkoxyphenyl)-cyclohexane-1,3-diols from 6-dimethylaminomethyl-1-hydroxy-1-(3-hydroxy- or 3-C1-C4alkoxyphenyl)-cyclohexane-3-ones by catalytic hydrogenation in the presence of heterogeneous or homogeneous catalysts, or by using metal hydrides.
REFERENCES:
patent: 5733936 (1998-03-01), Buschmann et al.
patent: 0 753 506 (1997-01-01), None
Drexler Hans-Joachim
Hell Wolfgang
Heller Detlef
Kegel Markus
Schaefer Olaf
Crowell & Moring LLP
Davis Brian J
Gruenenthal GmbH
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