Patents by Inventor Irudayaraj Devotta

Irudayaraj Devotta 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).

  • 2G BIOETHANOL INDUSTRY WASTE MODIFIED BITUMEN COMPOSITIONS AND PROCESS OF PRODUCTION THEREOF
    Publication number: 20250326930
    Abstract: The present invention relates to a 2G-bioethanol industry waste modified bitumen composition comprising bitumen or asphalt binder or a petroleum vacuum residue, 2G-bioethanol industry waste lignin, an elasticity modifying agent, and a reactive component. The 2G-bioethanol industry waste modified bitumen composition is storage stable and having different applications like road pavement, roofing, adhesive, waterproofing etc. The present invention also provides a process of preparation of 2G-bioethanol industry waste modified bitumen composition comprising reactive component(s), elasticity modifying agent(s) and 2G bioethanol industry waste lignin.
    Type: Application
    Filed: April 17, 2024
    Publication date: October 23, 2025
    Applicants: Indian Oil Corporation Limited, Department of Biotechnology
    Inventors: Alok SATLEWAL, Ravindra KUMAR, Chandra Shekhar MOHANTA, Ravi Prakash GUPTA, Irudayaraj DEVOTTA, Sankara Sri Venkata RAMAKUMAR
  • Process for high purity hexane and production thereof
    Patent number: 10702795
    Abstract: The invention relates to the production of High purity n-hexane from low value stream such as raffinate from benzene extraction unit in crude oil refineries employing extractive distillation. The present invention further related to an extractive distillation employing an organic solvent having comparable or same Hansen dispersive force parameter (?d) of that of the key component of to be separated through extractive distillation. The present invention is useful for separating and isolating pure cyclohexane, pure methylcyclopentane and pure iso-heptane along with the pure n-hexane.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: July 7, 2020
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Prakash Bhagwant Bhalavi, Irudayaraj Devotta, Naduhatty Selai Raman, Brijesh Kumar, Biswapriya Das
  • PROCESS FOR HIGH PURITY HEXANE AND PRODUCTION THEREOF
    Publication number: 20170203231
    Abstract: The invention relates to the production of High purity n-hexane from low value stream such as raffinate from benzene extraction unit in crude oil refineries employing extractive distillation. The present invention further related to an extractive distillation employing an organic solvent having comparable or same Hansen dispersive force parameter (?d) of that of the key component of to be separated through extractive distillation. The present invention is useful for separating and isolating pure cyclohexane, pure methylcyclopentane and pure iso-heptane along with the pure n-hexane.
    Type: Application
    Filed: January 18, 2017
    Publication date: July 20, 2017
    Inventors: Prakash Bhagwant BHALAVI, Irudayaraj DEVOTTA, Naduhatty Selai RAMAN, Brijesh KUMAR, Biswapriya DAS
  • PROCESS FOR PRODUCING VARIOUS VISCOSITY GRADES OF BITUMEN
    Publication number: 20150166903
    Abstract: The present invention relates to an aromatic enriched deasphalted oil extract fraction for preparing bitumen. The present invention also relates to a process for preparing the aromatic enriched deasphalted oil extract fraction for preparing bitumen. The present invention further relates to bitumen and process for preparing the bitumen using the aromatic enriched deasphalted oil extract fraction. The aromatic enriched deasphalted oil extract fraction obtained in accordance with the present invention can be used preparing plurality of grades of bitumen. Also, bitumen obtained in accordance with the present invention contains extremely low concentration of poly cyclic aromatics and more particularly benzo(a)pyrene.
    Type: Application
    Filed: July 12, 2013
    Publication date: June 18, 2015
    Inventors: Naduhatty Selai Raman, Palvannan Mohanasundaram, Irudayaraj Devotta, Kishan Chand Sharma, Vivekanand Kagdiyal, Deepak Saxena, Brijesh Kumar, Anurag Ateet Gupta, Santanam Rajagopal, Ravinder Kumar Malhotra