Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1995-11-27
1998-01-20
Geist, Gary
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
C07C 5100
Patent
active
057103283
ABSTRACT:
Disclosed is a process for the preparation of .alpha.,.beta.-unsaturated carboxylic acids and anhydrides thereof which comprises contacting formaldehyde or a source of formaldehyde with a carboxylic anhydride in the presence of a catalyst comprising mixed oxides of vanadium, phosphorus and, optionally, a third component selected from titanium, aluminum or, preferably silicon.
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Gogate Makarand Ratnakav
Spivey James Jerry
Tustin Gerald Charles
Zoeller Joseph Robert
Blake Michael J.
Eastman Chemical Company
Geist Gary
Gwinnell Harry J.
Keys Rosalynd
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