Joseph K. Liu

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Edmonton, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method for controlling flocculant addition to tar sand tailings
- Patent number 4,282,103
- Issue date Aug 4, 1981
- Petro-Canada Exploration Inc.
- Bryan J. Fuhr
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Filtration of hot water extraction process whole tailings
- Patent number 4,225,433
- Issue date Sep 30, 1980
- Petro-Canada Exploration Inc.
- Joseph K. Liu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL