B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/53.B, 260/52
B01J 27/18 (2006.01) B01J 27/19 (2006.01) B01J 27/199 (2006.01) C07C 51/25 (2006.01) C07C 57/04 (2006.01)
Patent
CA 1222998
Abstract of the Disclosure: Oxidation catalysts of the general formula W6MoaVbPcCudAseSbfXgYhOx where X is K, Rb and/or Cs, Y is Nb, Fe, Mn, Sn, Li, Na, Sr, Rh, Ce, Ti and/or Cr, a is from 2.0 to 6, b is from 0 to 3, c is from 0.1 to 3, d is from 0.01 to 1, e is from 0 to 1, f is from 0 to 2, g is from 0.01 to 3, h is from 0 to 1 and x is the number of oxygen atoms formally re- quired to saturate the valencies of the catalyst compo- nents, give high conversions and particularly high selec- tivity in the oxidation of methacrolein in the gas phase to methacrylic acid.
449080
Duembgen Gerd
Fouquet Gerd
Krabetz Richard
Merger Franz
Nees Friedbert
Basf Aktiengesellschaft
Borden Ladner Gervais Llp
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