Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
2001-12-04
2008-08-05
Eyler, Yvonne (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C564S259000
Reexamination Certificate
active
07408081
ABSTRACT:
The invention relates to a process for treating an aqueous medium containing cyclohexanone oxime and cyclohexanone, said process comprising stripping the aqueous medium with steam, wherein said stripping is carried out at a pressure higher than 0.11 MPa. The invention also relates to a process for the preparation of cyclohexanone oxime, which involves stripping at a pressure higher than 0.11 MPa.
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Benneker Arno
Brouwers Johannes A. L.
Oevering Henk
DSM IP Assets B.V.
Eyler Yvonne
Nixon & Vanderhye P.C.
Nwaonicha Chukwuma O
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