1
Bryan D Sparks, F Weldon Meadus, Enrique O Hoefele: Solvent extraction spherical agglomeration of oil sands. Canadian Patents and Development, Alan A Thomson, January 12, 1988: US04719008 (42 worldwide citation)

Oil sands and similar hydrocarbon-solids mixtures are separated into their components by steps comprising: mixing with a solvent for the hydrocarbon in an extraction-contacting stage including a controlled light milling action, in the presence of hydrophilic bridging liquid, under selected condition ...


2
J Keith Brimacombe, Enrique O Hoefele: Non-ferrous metal treatment. Canadian Liquid Air Air Liquide Canada Ltee, December 9, 1980: US04238228 (5 worldwide citation)

A method of converting a charge of non-ferrous metal matte in a Pierce-Smith or similar converter. The fluid charge is blown with a total flow of oxidizing gas effective to maintain autogenous converting temperatures through a plurality of spaced-apart tuyeres limited in number and individual cross- ...


3
J Keith Brimacombe, Enrique O Hoefele: Non-ferrous metal treatment. Canadian Liquid Air, Stevens Davis Miller & Mosher, August 26, 1986: USRE032234

A method of converting a charge of non-ferrous metal matte in a Pierce-Smith or similar converter. The fluid charge is blown with a total flow of oxidizing gas .Iadd.containing up to about 40% oxygen .Iaddend.effective to maintain autogenous converting temperatures through a plurality of spaced-apar ...