Process

Details Process Process

2005-02-01

2005-02-01

Shippen, Michael L. (Department: 1621)

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

Organic compounds

Oxygen containing

C549S529000, C560S106000, C585S437000

Reexamination Certificate

active

06849771

ABSTRACT:
The invention relates to a process for converting 1-phenylethanol into styrene, which process involves:(1) contacting a feed containing 1-phenylethanol, organic acid and 2-phenylethanol with a catalyst to obtain a product containing styrene, and(2) removing ester compounds based on 2-phenylethanol and organic acid from the product of step (1),in which process the feed of step (1) has a molar ratio of organic acid to 2-phenylethanol of at least 1:10.

REFERENCES:
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patent: 4400558 (1983-08-01), Nemet-Mavrodin et al.
patent: 5639928 (1997-06-01), Dubner et al.
patent: 5883268 (1999-03-01), Lin et al.
patent: 345.856 (1989-12-01), None
patent: 1583091 (1981-01-01), None
patent: WO 0005186 (2000-02-01), None
International Search Report, dated Aug. 5, 2003.

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