Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1988-07-12
1990-11-06
Gray, Bruce
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568476, C07C 4500
Patent
active
049688464
ABSTRACT:
This invention provides a method for the prevention of oxidation of resulting methacrolein immediately after its discharge from a reaction tube upon production of the methacrolein by vapor-phase oxidation of isobutylene, tertiary butanol or methallyl alcohol with a molecular-oxygen-containing gas in the presence of a catalyst. An inert gas and/or recirculated reaction gas or a mixed gas of an inert gas and/or recirculated reaction gas and air is fed and mixed with a reaction product gas immediately after an outlet of the reaction tube.
REFERENCES:
patent: 2627527 (1953-02-01), Connolly et al.
Masuhiko et al., Derwent Abstract of Japan, 62163v; May 27, 1974.
Isobe Takeshi
Iwasaki Kozo
Koyama Yoshio
Kuragano Morimasa
Segawa Hirozo
Gray Bruce
Kyowa Gas Chemical Industry Company, Ltd.
Mitsui Toatsu Chemicals Incorporated
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