Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
2011-02-01
2011-02-01
Davis, Brian J (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C564S490000, C564S492000, C544S358000
Reexamination Certificate
active
07880036
ABSTRACT:
The invention relates to a process for preparing an ethylene amine mixture, which comprises hydrogenating an amino nitrile mixture comprising at least two α-amino nitriles in an amount of at least 5% by weight in each case in the presence of a catalyst and, if appropriate, a solvent.
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Baumann Katrin
Dahmen Kirsten
Hahn Thilo
Hugo Randolf
Melder Johann-Peter
BASF SE
Connolly Bove & Lodge & Hutz LLP
Davis Brian J
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