Oblon, McClelland, Maier & Neustadt, L.L.P.
Catalyst
A catalyst for producing unsaturated aldehyde and unsaturated carboxylic acid, wherein the cumulative pore volume (A) of pores having a pore diameter of 1 μm or more and 100 μm or less, in the catalyst, is 0.12 ml/g or more and 0.19 ml/g or less, and the ratio (A/B) of the cumulative pore volume (A) to the cumulative pore volume (B) of pores having a pore diameter of 1 μm or more and 100 μm or less, in a pulverized product not passing through a Tyler 6 mesh, in a pulverized product obtained by pulverization of the catalyst under a particular condition is 0.30 or more and 0.87 or less.
Mitsubishi Chemical Corporation
B B B B C B B B B B B B C B B B B B C B C B B B
B01J B01J B01J B01J C07C B01J B01J B01J B01J B01J B01J B01J C07B B01J B01J B01J B01J B01J C07C B01J C07C B01J B01J B01J
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Hiroto Mitsunobu
Ito Ito