B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/63.B, 260/52
B01J 27/18 (2006.01) B01J 27/185 (2006.01) B01J 37/20 (2006.01) C07C 51/25 (2006.01)
Patent
CA 1048993
ABSTRACT OF THE DISCLOSURE The selective preparation of acrylic or methacrylic acids by a single step vapor phase oxidation of propylene or iso- butylene, respectively, at temperatures up to 300° C. in the presence of a catalyst containing palladium metal and phosphoric acid is improved by the use of a sulfur modifier.
229793
Frank Charles E.
Murib Jawad H.
Seeskin Ben
LandOfFree
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