Compositions – X-ray or neutron shield
Patent
1977-12-28
1979-04-17
Shine, W. J.
Compositions
X-ray or neutron shield
252454, 252467, 4232132, 4232135, 423239, B01J 2334, B01J 2326, B01J 2330, B01J 2384
Patent
active
041499972
ABSTRACT:
A catalyst having high activity at a low temperature is obtained by heating rhodochrosite in air at a temperature of 300.degree.-500.degree. C. A catalyst having still higher activity at a low temperature is obtained by mixing rhodochrosite with a specific amount of a specific metal compound and heating the resultant mixture in air at a temperature of 300.degree.-500.degree. C.
REFERENCES:
patent: 1937488 (1933-11-01), Jenness
patent: 3880982 (1975-04-01), Stenzel
Araki Tadashi
Funabashi Masayuki
Saito Hatsuo
Saito Ritaro
Seguchi Koji
Kureha Kagaku Kogyo Kabushiki Kaisha
Shine W. J.
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