Process for reducing the aldehyde concentration in a mixture...

Details Process for reducing the aldehyde concentration in a mixture... Process for reducing the aldehyde concentration in a mixture...

2003-12-22

2009-10-13

Manoharan, Virginia (Department: 1797)

Distillation: processes, separatory

Distilling to separate or remove only water

From organic compound

C203S036000, C203S037000, C203S079000, C203S080000, C564S502000, C568S420000

Reexamination Certificate

active

07601245

ABSTRACT:
The invention relates to a process for reducing the aldehyde concentration in a mixture comprising cyclohexanone and one or more aldehydes, said process comprising distilling said mixture in a distillation column in the presence of an alkaline compound, wherein in the bottom of the distillation column substantially no water is present.

REFERENCES:
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patent: 5667644 (1997-09-01), Mori et al.
patent: 6387224 (2002-05-01), Pinkos et al.
patent: 6444096 (2002-09-01), Barnicki et al.
patent: 1 382 849 (1975-02-01), None
patent: 2 028 329 (1980-03-01), None

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