The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 24, 2026
Filed:
Aug. 02, 2021
Hindustan Petroleum Corporation Limited, Bangalore, IN;
Eswararao Doni, Bangalore, IN;
Siva Kesava Raju Chinthalapati, Bangalore, IN;
Raghava Krishna Kanala, Bangalore, IN;
Ravi Balasubramaniam, Bangalore, IN;
HINDUSTAN PETROLEUM CORPORATION LIMITED, Bangalore, IN;
Abstract
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 HS suppressant; (iii) at least one smell masking agent; and (iv) bitumen, wherein the sulphur and the at least one HS suppressant is in the weight ratio range of 4:1 to 100:1. The present disclosure also discloses a process of preparing a modified bitumen composition and a process of preparing an asphalt pavement comprising a modified bitumen composition. Also provided herein use of a modified bitumen composition as an additive for waterproofing and road construction.