Patents by Inventor Siva Kesava Raju CHINTHALAPATI

Siva Kesava Raju CHINTHALAPATI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • MODIFIED BITUMEN COMPOSITION AND PROCESS OF PREPARATION THEREOF
    Publication number: 20230374309
    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 H2S suppressant; (iii) at least one smell masking agent; and (iv) bitumen, wherein the sulphur and the at least one H2S 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.
    Type: Application
    Filed: August 2, 2021
    Publication date: November 23, 2023
    Inventors: Eswararao DONI, Siva Kesava Raju CHINTHALAPATI, Raghava Krishna KANALA, Ravi BALASUBRAMANIAM
  • SULPHUR ADDITIVE AND SULPHUR MODIFIED BITUMEN
    Publication number: 20230130068
    Abstract: The present disclosure discloses an additive for preparing modified bitumen comprising a) sulphur with a weight percentage in the range of 90-95% with respect to the additive; b) at least two H2S suppressants with a combined weight percentage in the range of 4-7% with respect to the additive; c) bitumen with a weight percentage in the range of 0.5-3% with respect to the additive; and d) at least one smell masking agent in the range of 0.05-1.0% with respect to the additive. The present disclosure provides a convenient process for the preparation of the additive. The present disclosure also reveals a sulphur modified bitumen and a process for preparing the sulphur modified bitumen.
    Type: Application
    Filed: January 12, 2021
    Publication date: April 27, 2023
    Inventors: Eswararao DONI, Siva Kesava Raju CHINTHALAPATI, Raghava Krishna KANALA, Narayanan KRISHNAMURTHY, Ravi BALASUBRAMANIAM
  • Mannitol based gelators for oil spillage applications
    Patent number: 10894781
    Abstract: In accordance with the present subject matter there is provided sugar-based compounds of formula I, methods of making such compounds, gels comprising such compounds, methods of making gels, methods of using such compounds for the containing spill of a hydrocarbon, and methods for reclaiming solvent from gels comprising such compounds.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: January 19, 2021
    Assignee: Hindustan Petroleum Corporation LTD.
    Inventors: Raman Ravishankar, Siva Kesava Raju Chinthalapati, Bhaskar Pramanik, Peddi Venkat Chalapathi Rao, Venkateswarlu Choudary Nettem, Gandham Sriganesh
  • Molecular gelators and uses thereof
    Patent number: 10851273
    Abstract: In accordance with the present subject matter there is provided a compound of Formula I wherein, R1 is substituted C1 to C10 alkyl; and R2 is substituted C1 to C10 alkyl, a process for preparing a compound of Formula I, and a gel comprising a compound of Formula I. There is also provided a process for separating a hydrophobic material from a mixture of hydrophobic and hydrophilic material using a compound of Formula I.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: December 1, 2020
    Assignee: Hindustan Petroleum Corporation LTD.
    Inventors: Raman Ravishankar, Siva Kesava Raju Chinthalapati, Bhaskar Pramanik, Tanmoy Kar, Peddi Venkat Chalapathi Rao, Venkateswarlu Choudary Nettem
  • Molecular gelators for containing oil spillage
    Patent number: 10343144
    Abstract: In accordance with the present subject matter there is provided peptide-based compounds. methods of making such compounds, gels comprising such compounds, methods of making gels, methods of using such compounds for the containing spill of a hydrocarbon, and methods for reclaiming solvent from gels comprising such compounds.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: July 9, 2019
    Assignee: Hindustan Petroleum Corporation Ltd.
    Inventors: Raman Ravishankar, Siva Kesava Raju Chinthalapati, Tanmoy Kar, Bhaskar Pramanik, Peddy Venkata Chalapathi Rao, Venkateswarlu Choudary Nettem
  • MOLECULAR GELATORS FOR CONTAINING OIL SPILLAGE
    Publication number: 20180066014
    Abstract: In accordance with the present subject matter there is provided peptide-based compounds. methods of making such compounds, gels comprising such compounds, methods of making gels, methods of using such compounds for the containing spill of a hydrocarbon, and methods for reclaiming solvent from gels comprising such compounds.
    Type: Application
    Filed: August 3, 2015
    Publication date: March 8, 2018
    Inventors: Raman RAVISHANKAR, Siva Kesava Raju CHINTHALAPATI, Tanmoy KAR, Bhaskar PRAMANIK, Peddy Venkata Chalapathi RAO, Venkateswarlu Choudary NETTEM