Petroleum fuel base

Petroleum hydrocarbon binder with reduced polycyclic...

Pitch as a raw material for making carbon fibers and process for

Pitch for carbon fibers

Pitch for direct spinning into carbon fibers

Pitch for direct spinning into carbon fibers derived from a coal

Pitch for direct spinning into carbon fibers derived from a stea

Pitch for production of carbon fibers

Pitch material for carbonaceous body and a method for the prepar

Polar solvent extraction and dedusting process

Polarity gradient extraction method

Polyisobutene substituted succinimides

Pour point depressant for shale oil

Pour-point depression of crude oils by addition of tar sand bitu

Preheating of oil shale prior to pyrolysis

Premium synthetic lubricant base stock having at least 95% non-c

Preparation and treating of bituminous compositions

Preparation and use of reactive dispersions

Preparation of synthetic hydrocarbon lubricants

Pretreatment of coal-derived liquid to improve magnetic separati