Method for producing acrylic acid

Details Method for producing acrylic acid Method for producing acrylic acid

2006-09-19

2006-09-19

Zucker, Paul A. (Department: 1621)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C562S598000, C562S600000

Reexamination Certificate

active

07109328

ABSTRACT:
A process for the fractional condensation of a hot gas mixture which as well as acrylic acid contains at least one further condensable component in a column in the presence of at least one stabilizer comprises metering in at least a portion of the at least one stabilizer as a melt.

REFERENCES:
patent: 5322960 (1994-06-01), Sakamoto et al.
patent: 6210536 (2001-04-01), Grossi et al.
patent: 6676849 (2004-01-01), DeMassa
patent: 100 64 641 (2002-06-01), None
patent: 102 35 847 (2003-08-01), None
patent: 08/073405 (1996-03-01), None
patent: 99/14182 (1999-03-01), None

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