William E Shelfantook

Inventor

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Work History

Patent OwnerApplications FiledYear
Alberta Energy Company, Ltd.
1
1988
PanCanadian Petroleum Limited
1
1988
Gulf Canada Resources Limited
1
1988
Esso Resources Canada Limited
1
1988
Petro-Canada Inc.
1
1988
Her Majesty the Queen in right of the Province of Alberta, as represented by the Minister of Energy and Natural Resources
1
1988
CANADIAN OCCIDENTAL PETROLEUM LTD.
1
1988
HBOG-OIL SANDS LIMITED PARTNERSHIP, C/O DOME PETROLEUM LTD.
1
1988

Inventor Addresses

AddressDuration
#1, 11115-27 Avenue, Edmonton, Alberta, T6J 5H3, CAAug 22, 89 - Aug 22, 89

Technology Profile

Technology Matters
C10C: WORKING-UP TAR, PITCH, ASPHALT, BITUMEN; PYROLIGNEOUS ACID 1

Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
48593171989Purification process for bitumen froth60

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