Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1973-09-13
1976-02-24
Douglas, Winston A.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
106274, 208 44, 252421, 252425, 423449, C01B 3112, C01B 3110
Patent
active
039403440
ABSTRACT:
A method of producing granular or lumpy hard raw materials for activated carbon with a high yield by reacting a petroleum heavy material, such as a petroleum heavy oil or heavy residue, with a sulfonating agent in a reaction solvent thereby converting the petroleum heavy material into a carbonized material.
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Mitooka Mitsuyuki
Shima Kenji
Yokogawa Akira
Douglas Winston A.
Konopka P. E.
Maruzen Oil Co. Ltd.
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