Patents by Inventor Sankara Sri Venkata RAMAKUMAR

Sankara Sri Venkata RAMAKUMAR 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).

  • Publication number: 20220089960
    Abstract: A process and a system are used for production of multiple grades of ultralow aromatic solvents/chemicals having preferred boiling range, flash point and viscosity from different hydrocarbon streams. A plurality of hydrotreating steps are used to hydrotreat a plurality of hydrocarbon feedstocks in the presence of a hydrogen gas stream and a catalyst system. Further, at least one dissolved gas stripping step, at least one adsorption step, and a distillation step are included in the process. Desired iso-paraffin molecules are thereby preserved, and the undesired aromatic molecules are converted into desired naphthene molecules.
    Type: Application
    Filed: September 21, 2021
    Publication date: March 24, 2022
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Vasamsetty Naga Veera HIMA BINDU, Mainak SARKAR, Ganesh Vitthalrao BUTLEY, Ramesh KARUMANCHI, Sarvesh KUMAR, Madhusudan SAU, Gurpreet Singh KAPUR, Sankara Sri Venkata RAMAKUMAR
  • Publication number: 20220081375
    Abstract: As part of an integrated oxidative alkane dehydrogenation and hydrogen generation process, carbon dioxide from Pressure Swing Adsorption (PSA) off gas stream of Hydrogen Generation Unit (HGU), and alkane from any known source are sent to oxidative dehydrogenation (ODH) unit for producing high value olefins, such as ethylene, propylene and butenes. Products formed from ODH reactor are separated and the stream comprising of hydrogen, carbon monoxide and methane are recycled to Shift reactor of HGU unit for enhanced production of hydrogen at PSA.
    Type: Application
    Filed: September 17, 2021
    Publication date: March 17, 2022
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Vineeth Venu NATH, Hima Bindu DOOSA, Ram Mohan THAKUR, Saravanan SUBRAMANI, Sahithi RAVULURI, Madhusudan SAU, Gurpreet Singh KAPUR, Sankara Sri Venkata RAMAKUMAR
  • Publication number: 20220081373
    Abstract: The present invention discloses process and apparatus for the production of light olefins from their respective alkanes by catalytic dehydrogenation, where in the dehydrogenation reaction is carried out in multiple semi-continuously operated fluidized bed isothermal reactors, connected to a common regenerator and wherein the process is carried out in a sequence of steps in each cycle i.e., entry of hot regenerated catalyst, pre-treatment with reducing gas, dehydrogenation reaction, stripping, transfer of catalyst to regenerator and catalyst regeneration. Process cycle in each reactor starts at different times such that the catalyst inventory in the regenerator is invariable with time.
    Type: Application
    Filed: September 16, 2021
    Publication date: March 17, 2022
    Inventors: Hima Bindu DOOSA, Saravanan SUBRAMANI, Ram Mohan THAKUR, Vineeth Venu NATH, Kumaresan LOGANATHAN, Bineesh KANATTUKARA VIJAYAN, Madhusudan SAU, Gurpreet Singh KAPUR, Sankara Sri Venkata RAMAKUMAR
  • Patent number: 11274257
    Abstract: The present invention provides a process for a production of light olefins and aromatics from cracked light naphtha by selective cracking. The present invention thus provides a process for up grading cracked olefinic naphtha to high value petrochemical feed stocks. This process is based on catalytic cracking in which the catalyst activity is optimized by depositing coke for production of light olefins and aromatics. The proposed process has high flexibility and can be operated either in maximizing olefins as reflected from the PIE ratio or in maximizing aromatics (BTX) at different modes of operation depending upon the product requirement.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: March 15, 2022
    Assignee: Indian Oil Corporation Limited
    Inventors: Subramani Saravanan, Bandaru Venkata Hari Prasadgupta, Prosenjit Maji, Shoeb Hussain Khan, Jagdev Kumar Dixit, Shakti Singh, Reshmi Manna, Madhusudan Sau, Debasis Bhattacharyya, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
  • Publication number: 20220072526
    Abstract: A process for preparation of catalyst to produce ultra-low sulfur diesel (ULSD) from high refractory sulfur feedstock. The catalyst composition comprises a modified alumina carrier, impregnated by metal of group VIB is in the range of 15-25% and metal of group VIIIB is in the range of 1-5% as oxides. The catalyst prepared in the present invention produces highly dispersed MoS2 active sites on the modified carrier. The catalyst produces ultra low sulfur diesel (ULSD) along with improved cetane, density reduction and endpoint reduction.
    Type: Application
    Filed: August 27, 2021
    Publication date: March 10, 2022
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Ramasubramanian KANTHASAMY, Kochappilly Ouseph XAVIER, Mani KARTHIKEYAN, Alex Cheru PULIKOTTIL, Madhusudan SAU, Gurpreet Singh KAPUR, Sankara Sri Venkata RAMAKUMAR
  • Publication number: 20220073441
    Abstract: The present invention discloses an integrated process and an apparatus for production of various alcohols and Oligomerization of Olefinic feed stocks comprising butylenes and mixture thereof. In this process the combined light olefinic hydrocarbon feedstock is divided into two streams and contacted in two different reaction zones, viz. hydration and oligomerization. The mixture of alcohols and oligomer product from hydration reaction is separated and the bottom stream from separator is routed to oligomerization reaction zone in a controlled quantity as selectivity enhancer. Both the reaction zones are operated at different conditions. The product from oligomerization zone is further separated in to lighter and heavier components. Each reaction zone may comprise series of reactors filled with acidic catalysts comprising ion exchange resins.
    Type: Application
    Filed: September 7, 2021
    Publication date: March 10, 2022
    Inventors: Saravanan SUBRAMANI, Pushkar VARSHNEY, Reshmi MANNA, Madhusudan SAU, Gurpreet Singh KAPUR, Sankara Sri Venkata RAMAKUMAR
  • Publication number: 20220072472
    Abstract: The present invention relates to a biocompatible task specific hybrid solvent (TSHS) composition that synergistically increases the carbon capture efficiency and utilizes less energy for CO2 desorption over the existing solutions. Further, the process of synthesizing such composition is discussed in this disclosure. Also, the present disclosure provides a process that involves a task specific hybrid solvent (TSHS) composition for selective capturing CO2 from any gaseous stream.
    Type: Application
    Filed: September 7, 2021
    Publication date: March 10, 2022
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Prakash Chandra SAHOO, Manoj KUMAR, Ravi Prakash GUPTA, Suresh Kumar PURI, Sankara Sri Venkata RAMAKUMAR
  • Publication number: 20220064199
    Abstract: An integrated approach for utilizing waste products of 2G bio-refineries to fractionate the lignin of high purity. The present invention also provides a method of recycling of two waste products (2-G ethanol residue as the substrate (LRBR) and fusel oil/synthetic fusel oil (SFO) as one of the solvent) of the biorefineries in a beneficial manner to fractionate the lignin of high purity. The present method of separating high purity lignin comprises fractioning extractive-free lignin rich residue with a solvent, wherein the solvent is a mixture of SFO/Fusel oil and Formic acid. An optimized ratio of waste fusel oil and formic acid gave more than >85% yields of high purity lignin.
    Type: Application
    Filed: August 25, 2021
    Publication date: March 3, 2022
    Applicants: INDIAN OIL CORPORATION LIMITED, DEPARTMENT OF BIOTECHNOLOGY
    Inventors: Alok SATLEWAL, Ruchi AGRAWAL, Ravindra KUMAR, Ravi Prakash GUPTA, Suresh Kumar PURI, Deepak SAXENA, Sankara Sri Venkata RAMAKUMAR
  • Publication number: 20220069316
    Abstract: The present invention relates to the redox buffer electro-catalyst for bi-functional air electrode of metal-air batteries and fuel cells, wherein an electro-catalyst comprising of redox buffer oxides facilitates bi-functional activity of air electrode towards oxygen reduction and oxygen evolution reactions at the air electrode-electrolyte interface. The bi-functional activity of electro-catalyst comprising of redox buffer oxides is superior, due to improved electron transfer ability in comparison to electro-catalyst without redox buffer oxides.
    Type: Application
    Filed: September 2, 2021
    Publication date: March 3, 2022
    Inventors: Narayanam SESHUBABU, Vakakuzhiyil Gopinathan ANJU, Naduhatty Selai RAMAN, Shailendra Kumar SHARMA, Sankara Sri Venkata RAMAKUMAR
  • Publication number: 20220057086
    Abstract: A modular kitchen-connected indoor stationary solar cooking device (102) is disclosed. The solar cooking device (102) includes a housing (202), a thermal battery (204) disposed in the housing (202) and adapted to store thermal energy, and a first heater (206) disposed to be in contact with the thermal battery (204). The first heater (206) is coupled to a solar array (104) and adapted to receive solar energy for charging the thermal battery (204). The solar cooking device (102) includes a second heater (208) disposed to be in contact with the thermal battery (204). The second heater (208) is coupled to a mains supply and adapted to receive electrical supply for charging the thermal battery (204). The solar cooking device (102) includes a heat control assembly (210) disposed on a cooktop (802) and adapted to accommodate a cooking vessel. The heat control assembly (210) is adapted to rotate for controlling a heat supply for cooking in the cooking vessel.
    Type: Application
    Filed: August 17, 2021
    Publication date: February 24, 2022
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Vibhav DIKSHIT, Vinay TIWARI, Umish SRIVASTVA, Sudhir Kumar SINGH, Deepak SAXENA, Sankara Sri Venkata RAMAKUMAR
  • Publication number: 20220041935
    Abstract: The present invention provides a process for production of graphite coke from an admixture of coal and petroleum-based hydrocarbons. This particularly describes a process wherein a mixture of coal tar pitch and hydrocarbon feedstock such as CLO is purified in a solvent treatment step and the purified mixed feedstock is subjected to thermal cracking to produce high quality graphite/needle coke. This process also provides a synergy in improved coke quality coke formation while using an admixture of coal tar pitch and CLO while subjected to common purification and coking steps.
    Type: Application
    Filed: August 2, 2021
    Publication date: February 10, 2022
    Inventors: Prantik MONDAL, Ponoly Ramachandran PRADEEP, Terapalli Hari Venkata Devi PRASAD, Satyen Kumar DAS, Madhusudan SAU, Gurpreet Singh KAPUR, Sankara Sri Venkata RAMAKUMAR
  • Publication number: 20220042050
    Abstract: The present invention discloses a process of xylitol production from pure xylose, xylose containing liquid extract from the acid pretreated biomass (LEPB) and co-production of ethanol and xylitol from dilute acid pretreated lignocellulosic biomass by natural S. cerevisiae DBT-IOC S24 (MTCC25086). The present invention also discloses a process of xylitol production wherein a thermo and inhibitor tolerant S. cerevisiae DBT-IOC S24 (MTCC25086) natural strain has been induced to produce xylitol from xylose at defined process parameters using xylose containing diluted acid pretreated biomass as well as from xylose containing synthetic media in presence of glucose, lignocelluloses biomass derived xylitol inducer maintaining aeration at 1VVM and pH at 5.0 in the medium.
    Type: Application
    Filed: August 5, 2021
    Publication date: February 10, 2022
    Inventors: Ajay Kumar SHARMA, Manas Ranjan SWAIN, Ajit SINGH, Anshu Shankar MATHUR, Ravi Prakash GUPTA, Suresh Kumar PURI, Sankara Sri Venkata RAMAKUMAR
  • Publication number: 20220041940
    Abstract: The present invention relates to a process for converting the waste plastics along with the petroleum feedstock in a Catalytic Cracking Unit, in particular a Fluid Catalytic Cracking Unit employed in petroleum refineries. The invention also provides a method and hardware system to enable waste plastic to fuel conversion along with hydrocarbon catalytic cracking. The invented process aims to convert any type of waste plastic including polystyrene, polypropylene, polyethylene, metal containing Polyethylene-Polypropylene multilayer plastics & other metal containing plastics along with the petroleum derived feedstock such as vacuum gas oil, reduced crude oil, vacuum residue etc. in catalytic cracking unit.
    Type: Application
    Filed: August 2, 2021
    Publication date: February 10, 2022
    Inventors: Ponoly Ramachandran PRADEEP, Prantik MONDAL, Shivam Ashok DIXIT, Shikha SALUJA, Shakti SINGH, Terapalli Hari Venkata Devi PRASAD, Satyen Kumar DAS, Madhusudan SAU, Gurpreet Singh KAPUR, Sankara Sri Venkata RAMAKUMAR
  • Patent number: 11242893
    Abstract: The present invention relates to a Zinc free High Performance bearing oil composition for Lubrication of Bearings, Gears & Allied Equipments in Wire Rod Mill (WRM) for Steel Plants.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: February 8, 2022
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Anil Kumar Jaiswal, Kannan Sethuraman, Sumit Bhaskaran, Rameshwar Chaudhary, Rajendra Mahapatra, Ajay Kumar Harinarain, Deepak Saxena, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
  • Patent number: 11241674
    Abstract: The present invention relates to catalyst product, a method of making a catalyst and its use in fluid catalytic conversion process. In particular, this invention relates to a process for the preparation of CO-combustion promoter microspheres, comprising a large crystallite low surface area alumina; a composite binder comprising nano-crystallite alumina and dispersant; and platinum or palladium or both. The large crystallite low surface area alumina is bound together by the composite binder in the said particulate composition.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: February 8, 2022
    Assignee: Indian Oil Corporation Limited
    Inventors: Mohan Prabhu Kuvettu, Kumaresan Loganathan, Biswanath Sarkar, Balaiah Swamy, Arumugam Velayutham Karthikeyani, Alex Cheru Pulikottil, Vibhav Pandey, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
  • Patent number: 11242549
    Abstract: The present invention relates to a method for obtaining a high titer of enzyme mixture comprising cellulases, hemicellulases and ?-glucosidases in reutilization of waste water generated during hot water extraction of lignocellulosic biomass or biorefinery waste water using Penicillium funiculosum MRJ-16 mutant strain. The cellulose or lignocellulosic biomass used in the fermentation process is selected from the group consisting of rice straw, wheat straw, corn stover, cotton stalk or a combination thereof. The enzyme mixture obtained by the present process is used for the saccharification of acid pretreated lignocellulosic biomass.
    Type: Grant
    Filed: February 8, 2020
    Date of Patent: February 8, 2022
    Assignees: INDIAN OIL CORPORATION LIMITED, DEPARTMENT OF BIOTECHNOLOGY
    Inventors: Mukund Adsul, Simranjeet Kaur Sandhu, Reeta Rani Singhania, Ravi Prakash Gupta, Suresh Kumar Puri, Sankara Sri Venkata Ramakumar, Anshu Shankar Mathur, Deepak Kumar Tuli
  • Patent number: 11236285
    Abstract: Zinc complex greases with different complexing acids having dropping points comparable to lithium greases and tailor-made dropping points can be made by processing at low temperature in open as well as close kettle process. The present invention discloses a process of manufacturing Zinc complex greases—through reaction of fatty acid and complexing acid with zinc oxide in mineral oil to obtain zinc complex greases having high dropping points of 180 to 280° C.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: February 1, 2022
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Manohar Vennampalli, Naveen Kumar Pokhriyal, Virender Kumar, Veena Rani Bansal, Deepak Saxena, Sankara Sri Venkata Ramakumar
  • Publication number: 20220025076
    Abstract: The present invention provides a method for producing highly reactive polyisobutylene by liquid phase polymerization of isobutylene or isobutylene containing feed stock, wherein at least 70 mole % of polymer chains in the polyisobutylene have exo olefin end groups. Further, the present invention provides a catalyst composition for polymerization, comprising of a Lewis acid complexed with at least two Lewis bases selected from sterically hindered ether and linear dialkyl ether; or a Lewis base complexed with at least two Lewis acids selected from aluminium halides mixture. The present invention additionally provides that Lewis acid with Lewis bases mixture or Lewis base with Lewis acids mixture constituting the catalyst show synergistic effect resulting in high isobutylene conversion and production of polyisobutylene having high exo olefin content, while maintaining desired molecular weight range of 250-10000 Dalton.
    Type: Application
    Filed: July 21, 2021
    Publication date: January 27, 2022
    Inventors: Rajasekhar TOTA, Gurmeet SINGH, Rashmi RANI, Sujit MONDAL, Gurpreet Singh KAPUR, Sankara Sri Venkata RAMAKUMAR
  • Publication number: 20220002761
    Abstract: The present invention relates to a booster composition for enhancing the biogas yield and stabilizing the operation of a biomethanation plant, a method for the preparation of said booster composition and a method for enhancing the biogas yield and stabilizing the operation of a biomethanation plant using said composition by ameliorating the effect of shock conditions like pH and temperature. The booster composition comprises of specifically defined constituents selected from controlled release agents, redox potential balancers, direct interspecies electron transfer (DIET) improvers, micronutrient balancers, and Co-factors.
    Type: Application
    Filed: July 6, 2021
    Publication date: January 6, 2022
    Inventors: Manoj KUMAR, Srikanth SANDIPAM, Prakash Chandra SAHOO, Ravi Prakash GUPTA, Suresh Kumar PURI, Sankara Sri Venkata RAMAKUMAR
  • Publication number: 20220001355
    Abstract: The present invention relates to a synthesis of novel Zn(II)-based Metal Organic Frameworks having mixed organic ligands of 1,3,5-benzene tricarboxylic acid (BTC) and 2-methylimidazole (mIm) through a simple and economic solvothermal method. The synthesized MOFs has cuboids morphology having high surface area (1248 m2/g) capable of hydrogen adsorption at ?10° C. to 25° C. temperature and 100 bar pressure. The hydrogen adsorption capabilities of the novel MOFs are in the range of 23-0.2 weight percent.
    Type: Application
    Filed: June 30, 2021
    Publication date: January 6, 2022
    Inventors: Tapan BERA, Amardeep SINGH, Kaladhar SEMWAL, Christopher JAYARAJ, Umish SRIVASTAVA, Alok SHARMA, Gurpreet Singh KAPUR, Sankara Sri Venkata RAMAKUMAR