Distillation: processes – separatory – Adding material to distilland except water or steam per se – Organic compound
Patent
1980-08-18
1983-01-18
Sever, Frank
Distillation: processes, separatory
Adding material to distilland except water or steam per se
Organic compound
203 59, 203 63, 203 67, 203 69, 203 70, B01D 334
Patent
active
043690963
ABSTRACT:
A process has been developed for the purification of expoxides containing carbonyl compounds as impurities wherein the carbonyl compound content is up to 2% by weight of epoxide. Purification is effected by treatment with compounds containing at least one NH.sub.2 group.
REFERENCES:
patent: 3149131 (1964-09-01), Bartlett
patent: 3597452 (1971-08-01), Laemmle et al.
Chemical Abstracts, vol. 71, Nr. 17, 27-10-1969, Nr. 81128p, Columbus, Ohio, U.S.A., H. Ouchi et al.: "Purification of alkylene oxides", Seite 372, linke Spalte and JP-A-69 09650 (Mitsui Toatsu Chem. Ind.).
Hofen Willi
Seifert Hermann
Waldmann Helmut
Wirthwein Rolf
Bayer Aktiengesellschaft
Deutsche Gold und Silberscheideanstalt Vormals Roessler
Sever Frank
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