Enrique O. Hoefele

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Solvent extraction spherical agglomeration of oil sands
- Patent number 4,719,008
- Issue date Jan 12, 1988
- Canadian Patents & Development Ltd.
- Bryan D. Sparks
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...