Production of high purity alkyl glyoxylate by plural stage disti

Details Production of high purity alkyl glyoxylate by plural stage disti Production of high purity alkyl glyoxylate by plural stage disti

1983-10-06

1985-03-05

Bascomb, Wilbur

Distillation: processes, separatory

Plural distillations performed on same material

203 14, 203 73, 203 80, 560177, B01D 310, C07C 6966

Patent

active

045029237

ABSTRACT:
High purity alkyl glyoxylate is produced from complex mixtures containing alkyl glyoxylate, alkyl glycolate, water, alcohol and miscellaneous impurities. High purity alkyl glyoxylate is useful in the synthesis of alkyl glyoxylate polymers.

REFERENCES:
patent: 1614195 (1927-01-01), Haussler
patent: 3681204 (1972-08-01), Mercier
patent: 3872166 (1975-03-01), Spaenig et al.
patent: 4009188 (1977-02-01), Heim et al.
patent: 4340748 (1982-07-01), Baltes et al.
J. Amer. Chem. Soc., W. Oroshnik et al., The Electrolytic Preparation of Ethyl Glyoxylate, 1941, 63, 3338.
Derwent Abstracts 05763, Week J49, E17, Japanese 57 176-929.

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