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Title: Methods and compositions for refining bituminous froth recovered from tar sands. [addition of C/sub 3/ to C/sub 4/ ketone followed by centrifugation]

Patent ·
OSTI ID:5031864

Assignee:
Great Canadian Oil Sands, Ltd.
Patent Number(s):
US 3884829
OSTI ID:
5031864
Resource Relation:
Patent File Date: Filed date 14 Nov 1972
Country of Publication:
United States
Language:
English