Patents Assigned to Indian Oil Corporation Limited
  • Patent number: 10280372
    Abstract: The present invention relates to a novel catalyst composition for catalytic cracking of hydrocarbon streams to enhance the yield of light olefins. The catalyst composition for the cracking of hydrocarbon feed streams to light olefins, comprises a USY zeolite with silica/alumina ratio of more than 40, pentasil zeolite, a phosphate compound and alumina silica binder. The yield of olefins is further increased when the catalyst composition is impregnated with a cerium oxide. The present invention also provides a process of increasing the yield of light olefins from hydrocarbon feed streams comprising contacting the hydrocarbon streams with catalyst compositions of the present invention.
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: May 7, 2019
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Biswanath Sarkar, Satyen Kumar Das, Somnath Kukade, Ganga Shankar Mishra, Eswar Prasad Dalai, Velusamy Chidambaram, Sudhir Kumar Pandey, Ram Mohan Thakur, Debasis Bhattacharyya, Santanam Rajagopal
  • Publication number: 20190119821
    Abstract: The present invention relates to an apparatus and method for bio-assisted treatment of spent caustic obtained from hydrocarbon and gas processing installations. The present invention also relates to method for recovery of caustic and recovery of sulfur from spent caustic. According to present invention, the sulfide removal is about 96% and the sulphur formation and deposition on the electrode lies in range of 72±8%.
    Type: Application
    Filed: September 29, 2018
    Publication date: April 25, 2019
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Mahendara Pratap SINGH, Manoj KUMAR, Srikanth SANDIPAM, Amardeep SINGH, Dheer SINGH, Umish SRIVASTAVA, Suresh Kumar PURI, Sanjiv Kumar MAZUMDAR, Sankara Sri Venkata RAMAKUMAR
  • Patent number: 10266459
    Abstract: A process and apparatus for catalytic cracking of hydrocarbon feedstock employing circulating fluidized bed reactor-regenerator configuration for maximizing the yield of propylene (C3 olefin) is disclosed. The apparatus comprises two reaction zones operating under different temperature and weight hourly space velocity (WHSV), one primary zone for cracking of hydrocarbon feedstock and other as secondary zone for cracking of C4 fraction produced from the cracking of hydrocarbon feedstock in the primary reaction zone, optionally admixed with C4 stream from external source. Two dedicated conduits equipped with valves for control of catalyst flow rate are provided to supply the hot catalyst from a common catalyst regeneration zone wherein the catalyst flowing though conduit connected to the secondary reaction zone is cooled employing a heat exchanging device.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: April 23, 2019
    Assignee: Indian Oil Corporation Limited
    Inventors: Manoj Kumar Bhuyan, Satheesh Vetterkunnel Kumaran, Debasis Bhattacharyya, Shoeb Hussain Khan, Bidyut De, Sudhir Kumar Pande
  • Patent number: 10252249
    Abstract: The present invention relates to a composition of attrition resistant attrition resistant catalyst particularly for FCC catalyst additives such as ZSM-5, bottom cracking additive/residue upgradation additive and GSR additive comprising aluminum phosphate binder wherein said binder comprising of 1.5 to 2.9 moles equivalent of monobasic acid for each mole of mono-aluminum phosphate (MAP). Further, the aluminum phosphate binder is added to the catalyst additive to ensure effective binding of catalyst as well as preserving catalyst activity with high selectivity towards light olefins including LPG.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: April 9, 2019
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Mohan Prabhu Kuvettu, Mahesh Kadgaonkar, Biswanath Sarkar, Arumugam Velayutham Karthikeyani, Balaiah Swamy, Mani Karthikeyan, Jayaraj Christopher, Brijesh Kumar
  • Publication number: 20190100705
    Abstract: The present invention relates to a hydrocracking reactor system and a process utilizing the same for upgrading heavy hydrocarbonaceous material to value-added products. Accordingly, an aspect of the present invention includes dispersing a liquid feedstock pre-mixed with a catalyst from top of a reactor vessel to obtain dispersed droplets having a predetermined droplet size less than 500 ?m, introducing a gaseous feed comprising primarily of hydrogen from bottom of the reactor vessel to form a continuous gaseous phase throughout a cross-section of the reactor vessel, and allowing the dispersed droplets to contact the continuous gaseous phase throughout the cross-section of the reactor vessel to form reaction effluent comprising one or more lighter product hydrocarbons. The method may further include removing at least a top portion and at least a bottom portion of the reaction effluent from the reactor vessel.
    Type: Application
    Filed: August 30, 2018
    Publication date: April 4, 2019
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Mainak SARKAR, Darshankumar Manubhai DAVE, Ramesh KARUMANCHI, Madhusudan SAU, Ganesh Vitthalrao BUTLEY, Nepal VISHWAKARMA, Kamal KUMAR, Pravesh KUMAR, Sarvesh KUMAR, Debasis BHATTACHARYYA, Sanjiv Kumar MAZUMDAR, Sankara Sri Venkata RAMAKUMAR
  • Patent number: 10245581
    Abstract: The present invention relates to attrition resistant hydrocarbon cracking catalyst additive composition comprising aluminum phosphate binder for cracking of hydrocarbon molecules to produce light olefins and process of preparation thereof. The present invention further relates to the process of preparation of the aluminum phosphate binder wherein said binder is incorporated into the ZSM-5 additive composition to enhance its attrition resistance property as well as enhance selectivity and activity of additive composition for production of light olefins such as liquefied petroleum gas (LPG).
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: April 2, 2019
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Biswanath Sarkar, Arumugam Velayutham Karthikeyani, Mohan Prabhu Kuvettu, Mahesh Kadgaonkar, Velusamy Chidambaram, Balaiah Swamy, Brijesh Kumar, Biswapriya Das
  • Patent number: 10214632
    Abstract: The present invention relates to a novel and economical process for modification of acid scavenger to be used not only for neutralizing the effect of catalyst residue but as well as crystallinity modifier in polyolefins. More particularly, the present invention discloses a process for modification of acid scavenger to be used as dual functional additive as acid scavenger as well as crystallinity modifier in polyolefins, said process comprising treating an acid scavenger with an organic dibasic acid to obtain a modified acid scavenger, wherein the acid scavenger is calcium aluminum hydroxy carbonate having chemical formula Ca4Al2(OH)12CO3.nH2O, where n=4-5.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: February 26, 2019
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Jatinder Singh Dhaliwal, Vishal Goel, Shiva Naresh, Priyanka Luthra, Sameeksha Raizada, Gurpreet Singh Kapur, Shashi Kant
  • Publication number: 20190055481
    Abstract: The present invention relates to resid processing, particularly related to conversion of resid material with maximum recovery of lighter hydrocarbons. The invented process utilizes a novel scheme for integration of solvent de-asphalting and delayed coking processes to maximize the residue conversion to valuable products, with cleaner quality of middle distillates and fuel oil products, in comparison with other integrated solvent de-asphalting and delayed coking schemes. This process also has an additional flexibility to vary the recycle quantity, without impacting fractionator operation of the delayed coking section, which further enhances the product recovery and achieves maximum conversion of the resid feedstock, with minimum impact on liquid product properties.
    Type: Application
    Filed: March 6, 2018
    Publication date: February 21, 2019
    Applicant: Indian Oil Corporation Limited
    Inventors: Ponoly Ramachandran PRADEEP, Satyen Kumar DAS, Terapalli Hari Venkata Devi PRASAD, Arjun Kumar KOTTAKUNA, Debasis BHATTACHARYYA, Sanjiv Kumar MAZUMDAR, Sankara Sri Venkata RAMAKUMAR
  • Patent number: 10201810
    Abstract: The present invention discloses a catalyst and process for hydrocracking of heavy hydrocarbon oils having majority portion boiling above 525° C. in the presence of hydrogen. A process comprising first step of converting heavy oil into lighter products in the presence of catalyst and hydrogen in slurry phase is disclosed. The process further comprises recycling of part of liquid products (HVGO) along with fresh heavy oil for improving the product selectivity. This recycled HVGO is having high concentrations of aromatics compounds. The separation of particles generated during the reaction at reactor exit also avoids the chances of choking of downstream sections.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: February 12, 2019
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Brijesh Kumar, Pravesh Kumar, Kamal Kumar, Ganesh Vitthalrao Butley, Madhusudan Sau, Biswapriya Das
  • Patent number: 10195564
    Abstract: The present invention relates to a process of conversion of waste streams of petroleum refinery into industrially useful products.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: February 5, 2019
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Manoj Kumar, Mahendra Pratap Singh, Jayaraj Christopher, Anurag Ateet Gupta, Ravinder Kumar Malhotra
  • Publication number: 20190031944
    Abstract: The present invention relates to the low cost high performing corrosion inhibitor composition and process for preparation thereof. The corrosion inhibitor comprises of an ester of cashew nut shell liquid (CNSL), a dimer fatty acid (DFA), a long chain amine and a solvent. The corrosion inhibitor composition prevents corrosion of internal metal surface of pipelines due to petroleum products.
    Type: Application
    Filed: March 14, 2018
    Publication date: January 31, 2019
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Tanmay MANDAL, Meeta SHARMA, Prakash SHANTI, Anil YADAV, Ajay Kumar ARORA, Suresh Kumar PURI, Sanjiv Kumar MAZUMDAR, Ramadoss SURESH
  • Publication number: 20190011126
    Abstract: An apparatus and a method for achieving progressive reduction of flue gas is disclosed. Accordingly, an aspect of the present invention is to provide an apparatus comprising of an orifice chamber having an inlet pipe for receiving the flue gas, a flow region defined downstream of an exit of the inlet pipe and having at least a first section and a second section, and an outlet pipe to disperse a pressure reduced flue gas. The first section defined downstream of the inlet pipe has a flow developer means and at least one auxiliary orifice plate. The second section defined downstream of the first section has a plurality of orifice plates spaced apart along a flow length of the second section.
    Type: Application
    Filed: March 14, 2018
    Publication date: January 10, 2019
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Saidulu GADARI, Manoj Kumar YADAV, Shoeb Hussain KHAN, Satheesh Vetterkunnel KUMARAN, Debasis BHATTACHARYYA, Sankara Sri Venkata RAMAKUMAR
  • Publication number: 20190001353
    Abstract: An apparatus and a method for mixing and atomizing a hydrocarbon stream is disclosed. The apparatus comprises of an inner conduit having a first inlet for receiving the hydrocarbon stream, and a second inlet for receiving a primary dispersion stream. The inner conduit produces a primary mixture comprising the hydrocarbon stream and the primary dispersion stream. The apparatus further includes an outer conduit having a third inlet for receiving a secondary dispersion stream. Further, said inner and outer conduits together define an annular passage. The distal end of the annular passage defines a second set of orifices for allowing the secondary dispersion stream flowing there-through to come in contact with the primary mixture and thereby dispensing the secondary mixture so obtained through an outlet.
    Type: Application
    Filed: March 7, 2018
    Publication date: January 3, 2019
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Shoeb Hussain KHAN, Venkata Hari Prasad Gupta BANDARU, Jagdev Kumar DIXIT, Gautam THAPA, Satheesh Vetterkunnel KUMARAN, Debasis BHATTACHARYYA, Sankara Sri Venkata RAMAKUMAR
  • Patent number: 10159951
    Abstract: The present invention discloses a method and an apparatus for mixing and atomizing a hydrocarbon stream using a diluent/dispersion stream.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: December 25, 2018
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Bidyut De, Shoeb Hussain Khan, Satheesh Vetterkunnel Kumaran, Debasis Bhattacharyya, Brijesh Kumar
  • Publication number: 20180362675
    Abstract: The present invention provides an external electron donor composition comprising essentially of monoether as activity limiting agent for polymerization of olefins along with alkoxy silane as selectivity controlling agent, wherein mole percentage of the alkoxy silane to monoether is from 1 to 100.
    Type: Application
    Filed: March 8, 2018
    Publication date: December 20, 2018
    Applicant: Indian Oil Corporation Limited
    Inventors: Sukhdeep KAUR, Usharani SAHOO, Gurmeet SINGH, Rashmi RANI, Gurpreet Singh KAPUR, SHASHIKANT
  • Publication number: 20180355082
    Abstract: The present invention provides a solid organomagnesium precursor having formula {Mg(OR?)X}.a{MgX2}.b{Mg(OR?)2}.c{R?OH}, wherein R? is selected from a hydrocarbon group, X is selected from a halide group, and a:b:c is in range of 0.01-0.5:0.01-0.5:0.01-5 and process for preparing the same, said process comprising contacting a magnesium source with a solvating agent, an organohalide and an alcohol to obtain the solid organomagnesium precursor. The present invention also provides a process for preparing a catalyst system using the organomagnesium precursor and its use thereof for polymerization of olefins.
    Type: Application
    Filed: August 20, 2018
    Publication date: December 13, 2018
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Sukhdeep KAUR, Gurmeet SINGH, Bhasker BANTU, Naresh KUMAR, Gurpreet Singh KAPUR, Shashi KANT, Biswajit BASU, Ravinder Kumar MALHOTRA
  • Publication number: 20180339905
    Abstract: A catalyst composition for the production of carbon nanotubes (CNT) with controlled morphology is disclosed. The catalyst is represented by formula [(MxMny)Moz][binary metal oxide](100?(x+y+z)), where x is in the range 1 to 25 wt %, y is in the range 0.1 to 20 wt %, and z is in the range 0.0 to 10 wt %. Further M represents either iron or cobalt or nickel along with manganese and molybdenum supported on binary metal oxides comprising of boron, magnesium, aluminum, silicon, calcium, barium, and combination thereof. The CNT morphology can be tailor-made with the plural combination of nature of metal and promoters in appropriate proportions. The process yields the CNT with bulk density in the range of 0.01 to 0.20 g/cc, diameter in the range of 5 to 30 nm and purity greater than 95 wt %.
    Type: Application
    Filed: March 8, 2018
    Publication date: November 29, 2018
    Applicant: Indian Oil Corporation Limited
    Inventors: Narayanam SESHUBABU, Palvannan MOHANASUNDARAM, Bhanumurthy SAMALA, Naduhatty Selai RAMAN, Rashmi BAGAI, Sankara Sri Venkata RAMAKUMAR, Biswapriya DAS
  • Patent number: 10137438
    Abstract: The present invention relates to a catalyst precursor composition comprising a first component having active sites, said first component being at least one of the surface modified clay and/or pore modified zeolite; and a second component being metal species comprising of at least one metal selected from Group VI B and at least one metal selected from VIII B and the second component is in intimate contact with the active sites of the first component. The present invention also provides a process for preparing the catalyst precursor composition. The present invention also relates to a catalyst composition and process of preparation thereof by using the catalyst precursor. More particularly, the present invention provides a catalyst composition suitable for converting hydrocarbon feeds to diesel range product.
    Type: Grant
    Filed: February 8, 2014
    Date of Patent: November 27, 2018
    Assignee: Indian Oil Corporation Limited
    Inventors: Mohan Prabhu Kuvettu, Kanthasamy Ramasubramanian, Alex Cheru Pulikottil, Kochappilly Ouseph Xavier, Mani Karthikeyan, Vinay Kumar Chaudhury, Brijesh Kumar, Santanam Rajagopal, Ravinder Kumar Malhotra
  • Publication number: 20180334634
    Abstract: The present invention provides a process for in situ synthesis of dispersion of ZnO and TiO2 nanoparticles in an oil medium, wherein the process comprises: (a) providing layered basic zinc hydroxide (LBZ) in an oil medium, containing a dispersant, (b) providing a titanium precursor in the oil medium to obtain a mixture, (c) hydrolyzing the mixture to obtain a suspension, and (d) decomposing the suspension to obtain a dispersion of mixture of ZnO and TiO2 nanoparticles. The present invention also provides an oil dispersion comprising dispersant stabilized mixture of zinc oxide and titanium dioxide nanoparticles were synthesized through this process. The dispersion contains up to 2.5 Wt % metals loading balanced with dispersant and base oil or dispersant alone. Addition of this dispersion to oil of lubricating viscosity improves the anti-wear property and resulting a low SAPS formulation.
    Type: Application
    Filed: May 16, 2018
    Publication date: November 22, 2018
    Applicant: Indian Oil Corporation Limited
    Inventors: Munusamy VIJAYARAJ, Samik Kumar HAIT, Madhira Indu Sekhara SASTRY, Sankara Sri Venkata RAMAKUMAR
  • Publication number: 20180337397
    Abstract: The present invention deals with employing Heteroatoms namely Nitrogen, Sulphur intrinsic embedded carbon nanotubes (H-CNT) as multifunctional additive for preparing lead acid battery electrodes to substitute the expander chemicals namely, Vanisperse, Dinel Fibre, Barium sulphate and carbon black. Further the invention provides H-CNT in-situ produced from Crude oil or its products.
    Type: Application
    Filed: March 12, 2018
    Publication date: November 22, 2018
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Palvannan MOHANASUNDARAM, Bhanumurthy SAMALA, Narayanam SESHUBABU, Amardeep SINGH, Naduhatty Selai RAMAN, Sankara Sri Venkata RAMAKUMAR, Biswapriya DAS