Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
2006-05-30
2006-05-30
Davis, Brian J. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C564S469000, C564S470000, C564S486000
Reexamination Certificate
active
07053246
ABSTRACT:
Process for preparing a symmetrical secondary amine by reaction of a primary amine in the presence of hydrogen and a catalyst whose preparation has involved precipitation of catalytically active components onto monoclinic, tetragonal or cubic zirconium dioxide.
REFERENCES:
patent: 4914241 (1990-04-01), Hesse et al.
patent: 5166442 (1992-11-01), Hartwell et al.
patent: 5243078 (1993-09-01), Agrawal et al.
patent: 5288909 (1994-02-01), Hartwell et al.
patent: 5530127 (1996-06-01), Reif et al.
patent: 5554793 (1996-09-01), Hartwell et al.
patent: 6034029 (2000-03-01), Wulff-Doering et al.
patent: 2003/0013873 (2003-01-01), Neumann et al.
patent: 30 48 832 (1981-09-01), None
patent: 412 613 (1991-02-01), None
patent: 696 572 (1996-02-01), None
patent: 849 224 (1998-06-01), None
patent: 1 270 543 (2003-01-01), None
Derwent Abst. DE 3048-832, (1981).
Benisch Christoph
Funke Frank
Gerlach Till
Melder Johann-Peter
BASF - Aktiengesellschaft
Davis Brian J.
Novak Druce & Quigg LLP
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