C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/569.2, 260/5
C07C 47/20 (2006.01) B01J 23/847 (2006.01) B01J 23/85 (2006.01) B01J 23/887 (2006.01) B01J 23/89 (2006.01) B01J 27/057 (2006.01) B01J 27/186 (2006.01) C07C 45/34 (2006.01) C07C 45/35 (2006.01) C07C 57/04 (2006.01)
Patent
CA 1091252
ABSTRACT The catalytic vapor phase oxidation of an olefin of 3 to 5 carbon atoms to .alpha.,.beta.- unsaturated aldehydes with the formation of substantially no .alpha.,.beta.- unsaturated acids is achieved by contacting the olefin, oxygen, an inert gas or moderator and optionally water with a catalyst at a temper- ature of from 300° to 500°C for a period of time sufficient to achieve from 25 to 80% conversion of said olefin to said aldehyde, separating unreacted olefin and byproduct inert gas from the product stream and recycling the unreacted olefin and byproduct inert gas together with additional olefin and oxygen if required to react with said catalyst.
282171
E.i. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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