Title:
Method and composition for treating coal
United States Patent 2116682

Inventors:
Kleinicke, Werner E.
Hevenor, Gloster P.
Publication Date:
05/10/1938
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Assignee:
JOHNSON MARCH CORP
Primary Class:
44/500
Other Classes:
252/88.100, 44/602, 44/620
International Classes:
C10L9/10; C10L9/00