Compositions – X-ray or neutron shield
Patent
1974-07-02
1977-05-31
Garvin, Patrick P.
Compositions
X-ray or neutron shield
252447, B01J 2364
Patent
active
040269205
ABSTRACT:
The presence of 0.05 to 0.4 atom of chromium per atom of manganese in a manganese ferrite oxidative dehydrogenation catalyst improves the yields from oxidative dehydrogenation reactions employing such catalyst. A chromium modified manganese ferrite catalysts containing from 1 to 20 weight percent carbon is also disclosed.
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patent: 3859375 (1975-01-01), Manning
Dry N. Elton
Garvin Patrick P.
Johnson Kenneth H.
Petro-Tex Chemical Corporation
Sheehan John P.
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