Asphalt compositions

Automatic levelling system

Bitumen blowing

Catalytic method for making pitch

Continuous oxidation and distillation process of heavier...

Heavy oil - solid composition and method for preparing the same

Heavy oil-solid composition and method for preparing the same

High temperature, low oxidation stabilization of pitch fibers

Low solids content, coal tar based impregnating pitch

Method of producing an impregnating petroleum pitch

Oxidation of asphaltenes

Petroleum pitch preparation

Pitch precursor production by distillation

Plasticizer and method of preparing pitch for use in carbon and

Preparation of industrial asphalt

Preparation of petroleum pitch

Process and apparatus for modifying bitumen

Process for converting acid sludge to intermediate sludge and so

Process for enhancing catalytic response of asphalt oxidation ca

Processes for producing high grade asphaltic materials from low