Title:
PROCESS FOR PURIFYING TERTIARY AMINE
Document Type and Number:
WIPO Patent Application WO/1984/000164
Kind Code:
A1
Abstract:
In a process of washing an organic extract composed of a mixture of tertiary amine containing acids as impurities and an organic diluent with alkali to remove the impurities, an improvement is disclosed which comprises adjusting within a range of 3-6 the pH of the mixture being washed.
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Inventors:
SHIMA KOJI (JP)
NIWA HIROTOSHI (JP)
NIWA HIROTOSHI (JP)
Application Number:
PCT/JP1983/000209
Publication Date:
January 19, 1984
Filing Date:
June 30, 1983
Export Citation:
Assignee:
DAICEL CHEM (JP)
International Classes:
C07C209/84; C07C67/00; C07C209/00; C07C211/07; (IPC1-7): C07C85/26; C07C87/06; C07C87/123
Other References:
No relevant documents disclosed
See also references of EP 0113376A4
See also references of EP 0113376A4
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