US Patent Issued to HINDUSTAN PETROLEUM on March 24 for "Modified bitumen composition and process of preparation thereof" (Indian Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,018, issued on March 24, was assigned to HINDUSTAN PETROLEUM CORPORATION LIMITED (Bangalore, India).

"Modified bitumen composition and process of preparation thereof" was invented by Eswararao Doni (Bangalore, India), Siva Kesava Raju Chinthalapati (Bangalore, India), Raghava Krishna Kanala (Bangalore, India) and Ravi Balasubramaniam (Bangalore, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a modified bitumen composition comprising: (a) at least two refinery residues; and (b) a sulphur additive comprising: (i) sulphur; (ii) at least one H2S suppressant; (iii) at least one smell masking agent; and (iv) bitume...