C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
6/100, 402/5
C08J 11/08 (2006.01) B01D 11/02 (2006.01) C08C 3/02 (2006.01) C08F 6/26 (2006.01)
Patent
CA 1330131
- 1 - Abstract The present invention is directed to a method for extraction of impurities from a powdery or particulate solid material charged into an extractor. According to the disclosure, not only can the extraction of impurities be carried out efficiently, but also the refinement of a solid material can be carried out, with the degree of the extraction of the impurities being very high.
603926
Hirano Koji
Miyakawa Hisashi
Mizutani Naoki
Nittani Osamu
Urabe Kazuoki
Asahi Denka Kogyo Kabushiki Kaisha
Kirby Eades Gale Baker
Toyo Engineering Corporation
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