Process for treating an organic solution comprising...

Details Process for treating an organic solution comprising... Process for treating an organic solution comprising...

2004-01-28

2008-09-09

Eyler, Yvonne (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

C564S267000, C564S253000

Reexamination Certificate

active

07423178

ABSTRACT:
The invention relates to a process for treating an organic solution comprising cyclohexanone oxime, cyclohexanone and an organic solvent, said process comprising distilling the organic solution such as to obtain (i) a first product comprising organic solvent, (ii) a second product comprising cyclohexanone and (iii) a third product comprising cyclohexanone oxime; and feeding the second product to a cyclohexanone oxime synthesis zone in which hydroxylammonium is reacted with cyclohexanone to form cyclohexanone oxime.

REFERENCES:
patent: 0 005 291 (1979-11-01), None
patent: 0 550 965 (1993-07-01), None
patent: 1138750 (1969-01-01), None
patent: WO 01/94297 (2001-12-01), None

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