A method of processing tar and similar products, the use of...
Addition of light hydrocarbon gas to tar sand
Air blown asphalt including polyphosphoric acid
An improved process for recovering solvent from asphaltene...
An improved process for recovering solvent from asphaltene...
An improved process for recovering solvent from asphaltene...
An integrated method for steam-enhanced bitumen production...
Apparatus and method for recycling asphalt materials
Apparatus for producing bulk mesophase
Apparatus for recycling asphalt materials
Aromatic pitch
Aromatic pitch derived from a middle fraction of a cat...
Aromatic pitch from asphaltene-free steam cracker tar fractions
Asphalt
Asphalt blowing
Asphalt compositions, their preparation and applications
Asphalt manufacture
Asphalt manufacture
Asphalt manufacture
Asphalt manufacture