Processes for the manufacture of enriched pitches and carbon...
Production of asphalts
Production of lubricating oils blending stock and selected...
Production of pitch substantially soluble in quinoline
Production of road surfacing binders
Raw composition for carbon articles
Reconstituted asphalt paving compositions
Recovery and handling of asphalt containing a high...
Recovery of bitumen from bituminous sand
Recovery of bitumen from bituminous sand with control of...
Recovery of heavy minerals from a tar sand
Recycling aerated scavenged middlings to conditioning step...
Removal of water from bituminous emulsion
Restoration of light hydrocarbon gases to tar sand
Self-stabilizing pitch for carbon fiber manufacture
Separation of asphaltenes from bitumen and heavy oils using...
Separation of bitumen from bituminous sand using a cold...
Separation of bitumen from bituminous sand using a dense...
Separation process
Separation process and apparatus