04448669 is referenced by 16 patents and cites 6 patents.

Supercritical extraction of diatomaceous earth results in a much more significant improvement in hydrocarbon recovery over Fischer retorting than achievable with tar sands. Process and apparatus for supercritical extraction of diatomaceous earth are disclosed.

Title
Hydrocarbon recovery from diatomite
Application Number
6/475991
Publication Number
4448669
Application Date
March 16, 1983
Publication Date
May 15, 1984
Inventor
James Scinta
Bartlesville
OK, US
Assignee
Phillips Petroleum Company
OK, US
IPC
C10G 1/04
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