Process for producing α-methylstyrene

Details Process for producing α-methylstyrene Process for producing α-methylstyrene

2004-09-10

2009-02-03

Oh, Taylor Victor (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C549S529000

Reexamination Certificate

active

07485736

ABSTRACT:
A process for producing α-methylstyrene from cumyl alcohol via dehydration in the presence of activated alumina, wherein a concentration of propylene oxide contained in a raw material containing cumyl alcohol is 10 to 1000 ppm by weight.

REFERENCES:
patent: 3526674 (1970-09-01), Becker et al.
patent: 7319177 (2008-01-01), Tsuji et al.

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