Celanese International Corporation

Alexandra S Locke

Heiko Weiner

Mark O Scates

Josefina T Chapman

Dick Alan Nagaki

Craig J Peterson

Sean G Mueller

Craig T Peterson

Sean Mueller

In one embodiment, the invention is to a catalyst composition, comprising vanadium and titanium. Preferably, the molar ratio of vanadium to titanium in an active phase of the catalyst composition is greater than 0.5:1.

Process for producing acrylic acids and acrylates

In one embodiment, the invention is to a catalyst composition comprising vanadium and titanium. The catalyst composition has a surface area of at least 22.6 m/g and a plurality of pores, and the plurality of pores have a pore diameter of less than 11.9 nm.

Catalysts for producing acrylic acids and acrylates

In one embodiment, the invention is to a catalyst composition comprising vanadium and titanium. The catalyst composition further comprises ethylene glycol and citric acid. Preferably, the catalyst composition is substantially free of oxalic acid and lactic acid.

In one embodiment, the invention is to a process for producing an acrylate product. The process comprises the step of reacting an alkanoic acid and an alkylenating agent under conditions effective to produce a crude acrylate product. A molar ratio of alkylenating agent to alkanoic acid is maintained at a level of at least 1.

Processes for producing acrylic acids and acrylates

Catalyst for producing acrylic acids and acrylates

In one embodiment, the invention is to a catalyst composition comprising vanadium, titanium; and at least one oxide additive. The at least one oxide additive is present in an amount of at least 0.1 wt % based on the total weight of the catalyst composition. The molar ratio of titanium to metal additive in an active phase of the catalyst composition is at least 0.05:1.

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Salt Lake City, UT, United States of America

Alexandra S Locke