Preparation of {alpha}, {beta}-unsaturated carboxylic acids and anhydrides

Patent · Tue Jan 20 00:00:00 EST 1998

OSTI ID:570499

Spivey, J J; Gogate, M R; Zoeller, J R; Tustin, G C

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.

• Research Organization: RTI International, Research Triangle Park, NC (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC22-94PC94065
• Assignee: Eastman Chemical Co., Kingsport, TN (United States)
• Patent Number(s): US 5,710,328/A/
• Application Number: PAN: 8-562,860
• OSTI ID: 570499
• Resource Relation: Other Information: PBD: 20 Jan 1998
• Country of Publication: United States
• Language: English

Related Subjects

40 CHEMISTRY
CARBOXYLIC ACIDS
ANHYDRIDES
CHEMICAL PREPARATION
FORMALDEHYDE
CATALYSTS
VANADIUM OXIDES
PHOSPHORUS OXIDES
TITANIUM OXIDES
ALUMINIUM OXIDES
SILICON OXIDES
CATALYTIC EFFECTS