Shell Oil Comapny

Shell Internationale Research Maatschappij, B.v.

Anindya Kumar Ghosal

Michael David Lankshear

David Strickland

Majid Jamshed Chughtai

The invention provides a bituminous composition comprising a bitumen in an amount ranging from 20 to 90% wt, a carboxylic additive in an amount of from 0.25 to 5% wt, and sulphur in an amount of 5 to 75% wt, all percentages based on the weight of bitumen, carboxylic additive and sulphur, wherein the carboxylic additive is selected from carboxylic acids, carboxylic esters and carboxylic anhydrides. It further provides a process for making this composition and asphalt compositions comprising such bituminous composition.

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Bengaluru, India

Anindya Kumar Ghosal