Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
2005-12-06
2008-08-26
Davis, Brian J (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C564S375000
Reexamination Certificate
active
07417170
ABSTRACT:
Methods for the dehydration of substituted 1-amino-3-aryl-butan-3-ol compounds for the preparation of substituted 3-aryl-butyl-amine compounds.
REFERENCES:
patent: 5811582 (1998-09-01), Buschmann et al.
patent: 6248737 (2001-06-01), Buschmann et al.
patent: 4426245 (1994-07-01), None
patent: 0693475 (1995-07-01), None
patent: 0799819 (1997-02-01), None
Akteries Bernhard
Buschmann Helmut
Drexler Hans-Joachim
Gladow Stefan
Hell Wolfgang
Crowell & Moring LLP
Davis Brian J
Gruenenthal GmbH
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