Patents Assigned to Indian Oil Corporation Limited
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Patent number: 10646863Abstract: A spent catalyst distributor for distributing spent catalyst in a catalyst regenerator vessel housing a dense phase catalyst bed and a dilute phase catalyst bed. The spent catalyst distributor comprises a conduit comprising a proximal end and a distal end. The conduit projects horizontally or horizontally and downwardly into the regenerator vessel and includes an opening located at the distal end for introducing the spent catalyst at a first location inside the regenerator vessel. The conduit further includes a plurality of orifices located along a length of the conduit between the distal end and an inner wall of the regenerator vessel for introducing the spent catalyst at a plurality of locations inside the regenerator vessel.Type: GrantFiled: March 12, 2018Date of Patent: May 12, 2020Assignee: Indian Oil Corporation LimitedInventors: Shoeb Hussain Khan, Vikas Badhan, Venkata Hari Prasad Gupta Bandaru, Gautam Thapa, Satheesh Vetterkunnel Kumaran, Debasis Bhattacharyya, Sankara Sri Venkata Ramakumar
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Patent number: 10647930Abstract: 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: GrantFiled: August 30, 2018Date of Patent: May 12, 2020Assignee: INDIAN OIL CORPORATION LIMITEDInventors: 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
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Patent number: 10633609Abstract: 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: GrantFiled: May 16, 2018Date of Patent: April 28, 2020Assignee: Indian Oil Corporation LimitedInventors: Munusamy Vijayaraj, Samik Kumar Hait, Madhira Indu Sekhara Sastry, Sankara Sri Venkata Ramakumar
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Patent number: 10611865Abstract: 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: GrantFiled: August 20, 2018Date of Patent: April 7, 2020Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Sukhdeep Kaur, Gurmeet Singh, Bhasker Bantu, Naresh Kumar, Gurpreet Singh Kapur, Shashi Kant, Biswajit Basu, Ravinder Kumar Malhotra
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Publication number: 20200102621Abstract: The present invention relates to a mutant fungal strain of Penicillium funiculosum ‘MRJ-16’ characterized by the ability to produce high titer of enzyme mixture comprising FPase, CMCase, Cellobiase, ?-glucosidase, endoglucanase, ?-L arabinofuranosidase, ?-xylosidase, xylanase, pectinase, cellobiohydrase and oxidases and produce enzymes in the presence of a catabolite repressor molecule like glucose and/or xylose. The titer of enzyme mixture produced using mutant fungal strain MRJ-16 is at least two fold higher than naive Penicillium funiculosum strain NCIM 1228, when used in a fermentation process. The mutant strain ‘MRJ-16’ with high hydrolytic activity and catabolite derepressed character is having application in the method of degrading or saccharifying biomass to produce valuable products for example-bioethanol.Type: ApplicationFiled: September 26, 2019Publication date: April 2, 2020Applicants: INDIAN OIL CORPORATION LIMITED, DEPARTMENT OF BIOTECHNOLOGYInventors: Mukund ADSUL, Simranjeet Kaur SANDHU, Reeta Rani SINGHANIA, Jitendra Kumar SAINI, Anshu Shankar MATHUR, Ravi Prakash GUPTA, Deepak Kumar TULI, Suresh Kumar PURI, Sankara Sri Venkata RAMAKUMAR
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Publication number: 20200102236Abstract: A process for treatment of hydrocarbon refinery wastewater producing a low bio-sludge, the process including utilizing microbial consortia comprising at least one species of Pseudomonas and at least one species of Bacillus in a ratio of 10:1 to 1:10. The species of Pseudomonas and species of Bacillus have constitutive expression of at least one hydrocarbon degrading gene. The species of Pseudomonas are selected from the group consisting of Pseudomonas stutzeri (MTCC 25027), Pseudomonas aeruginosa (MTCC 5389), Pseudomonas aeruginosa strain IOC DHT (MTCC, 5385), Pseudomonas putida IOCR1 (MTCC 5387), Pseudomonas putida IOC5a1 (MTCC 5388) and a mutant thereof. The species of Bacillus are selected from the group consisting of Bacillus subtilis (MTCC 25026), Bacillus substilis (MTCC 5386), Bacillus thermoleovorans (MTCC 25023), Bacillus stearothermophilus (MTCC 25030), Lysinibacillus sp. (MTCC 25029), Lysinibacillus sp. (MTCC 5666) and a mutant thereof.Type: ApplicationFiled: September 6, 2019Publication date: April 2, 2020Applicant: INDIAN OIL CORPORATION LIMITEDInventors: Manoj KUMAR, Prakash Chandra SAHOO, Sandipam SRIKANTH, Suresh Kumar PURI, Sankara Sri Venkata RAMAKUMAR
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Patent number: 10604708Abstract: A multi-stage hydrotreating process obtains ultra-low sulfur diesel boiling range hydrocarbon having less than 10 ppm sulfur with elimination of external hot high pressure separator and avoids the formation of recombinant mercaptans by removing excess hydrogen sulfide formed during hydroprocessing reaction. The process includes mixing a diesel boiling range hydrocarbon feedstock with hydrogen and sending to the first predominantly liquid phase hydroprocessing reaction stage. Effluent from the first hydroprocessing reaction stage is sent to first separator zone of open and empty space in the upper part of the second hydroprocessing reaction stage to flash off the dissolved reaction products hydrogen sulfide and ammonia. Liquid part of the effluent of first hydroprocessing reaction stage is passed to the second predominantly liquid phase hydroprocessing reaction stage.Type: GrantFiled: March 5, 2018Date of Patent: March 31, 2020Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Ganesh Vitthalrao Butley, Yamini Gupta, Mainak Sarkar, Arun Arangarasu, Madhusudan Sau, Brijesh Kumar, Santanam Rajagopal, Ravinder Kumar Malhotra
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Publication number: 20200086304Abstract: The present invention provides a catalyst composition comprising rare earth exchanged USY zeolite (REUSY); pentasil zeolite; phosphorous compound; clay, silica, alumina, and spinel to enhance the catalytic activity and selectivity for light olefins in FCC operation conditions. The present invention also provides a process for the preparation of Light olefin enhancing catalyst composition with high propylene yield and coke selectivity.Type: ApplicationFiled: July 31, 2019Publication date: March 19, 2020Applicant: INDIAN OIL CORPORATION LIMITEDInventors: Mohan Prabhu KUVETTU, Arumugam Velayutham KARTHIKEYANI, Velusamy CHIDAMBARAM, Kumaresan LOGANATHAN, Alex Cheru PULIKOTTIL, Sanjiv Kumar MAZUMDAR, Sankara Sri Venkata RAMAKUMAR
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Patent number: 10590354Abstract: The present invention relates to a process and system for complete conversion of crude oils by integrating delayed coking process, high severity catalytic cracking process and naphtha cracking processes along with olefin recovery section, aromatic recovery section and gasifier section to maximize the crude oil conversion to valuable products like light olefins, aromatics and chemicals.Type: GrantFiled: November 30, 2018Date of Patent: March 17, 2020Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Ponoly Ramachandran Pradeep, Arjun Kumar Kottakuna, Terapalli Hari Venkata Devi Prasad, Satyen Kumar Das, Debasis Bhattacharyya, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
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Patent number: 10584085Abstract: The present invention relates to a process for etherification of mixed olefinic light naphtha boiling in the range of C5-90° C. cut with simultaneous minimization of unreacted methanol concentration in the product. The etherification of mixed olefinic light naphtha produces the high octane blending component which can be blended directly in the gasoline pool without any recovery of the feed oxygenates like methanol, ethanol etc. which conventionally uses energy intensive separation processes.Type: GrantFiled: December 31, 2018Date of Patent: March 10, 2020Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Saravanan Subramani, Prosenjit Maji, Reshmi Manna, Pushkar Varshney, Latoor Lal Saroya, Kamlesh Gupta, Dheer Singh, Debasis Bhattacharyya, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
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Patent number: 10584290Abstract: 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: GrantFiled: March 6, 2018Date of Patent: March 10, 2020Assignee: Indian Oil Corporation LimitedInventors: Ponoly Ramachandran Pradeep, Satyen Kumar Das, Terapalli Hari Venkata Devi Prasad, Arjun Kumar Kottakuna, Debasis Bhattacharyya, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
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Publication number: 20200070091Abstract: A process for selective capture of CO2 from gaseous mixture comprising of: (a) spraying a bio-amine cluster; (b) capturing CO2 through bio-amine cluster; and (c) desorption of CO2 through solar assisted electro de-amination, wherein the bio-amine cluster is comprises of: an amine cluster comprising of a quaternary Isobutylamine (IB) with amine terminated Poly(L-lactide) as the chelating agent; a cluster stabilizing agent; a cluster micelle stabilizing agent; and a carbonic anhydrase (CA) functionalized matrix in 0.05-0.2 wt % of total wt % of bio-amine cluster and wherein the CA is obtained from a source selected from the group consisting of Bacillus thermoleovorans, Pseudomonas fragi, Bacillus stearothermophilus and Arthrobacter sp. and a process for production of bio-amine cluster.Type: ApplicationFiled: August 20, 2019Publication date: March 5, 2020Applicant: INDIAN OIL CORPORATION LIMITEDInventors: Manoj Kumar, Prakash Chandra Sahoo, Suresh Kumar Puri, Sankara Sri Venkata Ramakumar
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Patent number: 10578304Abstract: 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: GrantFiled: March 14, 2018Date of Patent: March 3, 2020Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Saidulu Gadari, Manoj Kumar Yadav, Shoeb Hussain Khan, Satheesh Vetterkunnel Kumaran, Debasis Bhattacharyya, Sankara Sri Venkata Ramakumar
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Patent number: 10563114Abstract: 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: GrantFiled: March 14, 2018Date of Patent: February 18, 2020Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Tanmay Mandal, Meeta Sharma, Prakash Shanti, Anil Yadav, Ajay Kumar Arora, Suresh Kumar Puri, Sanjiv Kumar Mazumdar, Ramadoss Suresh
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Patent number: 10526202Abstract: The present invention relates to a process for the production of high quality synthesis gas rich in hydrogen during the process of upgrading the residual hydrocarbon oil feedstock by rejuvenating the spent upgrading material in Reformer in absence of air/oxygen without supplying external heat source other than the heat generated inside the process during combustion of residual coke deposited on the upgrading material. The present invention further relates to the apparatus used for preparation of syngas wherein said syngas thus produced is used for production of hydrogen gas. Furthermore, the present invention also provides system and method for preparing pure hydrogen from syngas.Type: GrantFiled: August 18, 2016Date of Patent: January 7, 2020Assignee: Indian Oil Corporation LimitedInventors: Sadhullah Mukthiyar, Sayapaneni Gopinath Bhanuprasad, Gadari Saidulu, Eswar Prasad Dalai, Sanjeev Singh, Satheesh Vetterkunnel Kumaran, Debasis Bhattacharyya, Brijesh Kumar, Biswapriya Das
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Publication number: 20200002778Abstract: An advantageous process for pre-treating lignocellulosic biomass to hydrolysable polysaccharide enriched biomass with reduced amount of inhibitors of catalysis comprising steps of: providing a feedstock comprising cellulosic biomass; chopping of cellulosic biomass to have a cellulosic biomass feed material of uniform size; feeding of uniform sized feed material to a horizontal counter current extraction unit; removing excess of water from the feed material obtained from the extraction unit; soaking the extruded feed material obtained from the extraction unit; optionally removing excess of water from the feed material obtained after acid soaking; steam pre-treating the feed material obtained after removing excess of water from the acid soaked feed material; neutralizing the slurry obtained from the steam pre-treating; and optionally saccharifying the neutralized slurry.Type: ApplicationFiled: June 25, 2019Publication date: January 2, 2020Applicants: Indian Oil Corporation Limited, Department Of BiotechnologyInventors: Ravindra KUMAR, Surbhi SEMWAL, Alok SATLEWAL, Ravi Prakash GUPTA, Suresh Kumar PURI, Sankara Sri Venkata RAMAKUMAR
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Patent number: 10507458Abstract: The current invention provides a hydrotreating catalyst comprising of metals of at least one each from Group VIB, preferably molybdenum and Group VIII, preferably nickel, of the periodic table supported on alumina modified with small amounts of modifying elements well dispersed on the surface so as to retain the physico-chemical characteristics of the support and result in high performance for hydrodesulphurization catalyst, and a commercially viable process for producing such a catalyst. The present invention also discloses a commercially viable method for modifying alumina in the powder form without affecting the porous structure of the support obtained.Type: GrantFiled: August 29, 2013Date of Patent: December 17, 2019Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Kochappilly Ouseph Xavier, Alex Cheru Pulikottil, Mohan Prabhu Kuvettu, Brijesh Kumar, Santanam Rajagopal, Ravinder Kumar Malhotra
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Patent number: 10501692Abstract: The present subject matter describes a method and apparatus for operating a delayed coker. The method comprises contacting a vapour produced in a delayed coker-drum with a catalyst maintained in form of a bed, and maintaining a level of said catalyst-bed within pre-defined limits during catalytic-cracking of the vapour. Thereafter, the cracked-vapour is routed to a coker-fractionator column to trigger conversion into one or more hydrocarbon products.Type: GrantFiled: July 14, 2017Date of Patent: December 10, 2019Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Terapalli Hari Venkata Devi Prasad, Ponoly Ramachandran Pradeep, Satyen Kumar Das, Jagdev Kumar Dixit, Rajesh, Gautam Thapa, Debasis Bhattacharyya, Sankara Sri Venkata Ramakumar, Biswapriya Das
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Patent number: 10487279Abstract: The present invention relates to a process of increasing syngas production during an upgradation process of petroleum residual oil by circulation of rejuvenated upgrading material through a heat removal zone such as an Auxiliary Reformer and by regeneration of spent upgrading material.Type: GrantFiled: August 18, 2016Date of Patent: November 26, 2019Assignee: Indian Oil Corporation LimitedInventors: Gadari Saidulu, Sadhullah Mukthiyar, Sayapaneni Gopinath Bhanuprasad, Vineeth Venu Nath, Doosa Hima Bindu, Satheesh Vetterkunnel Kumaran, Debasis Bhattacharyya, Brijesh Kumar, Biswapriya Das
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Patent number: 10487347Abstract: The present invention discloses a method for producing readily available and hydrolysable polysaccharide-enriched biomass from lignocellulosic biomass while quantitatively retaining carbohydrate and producing fewer amounts of inhibitors. The method includes treating lignocellulosic biomass with an aqueous solution at elevated temperatures in a sequential step using hydrazine hydrate and sodium sulphite. In accordance with the present invention, the biomass may be further treated with a saccharification enzyme consortium to produce fermentable sugars.Type: GrantFiled: December 9, 2016Date of Patent: November 26, 2019Assignees: INDIAN OIL CORPORATION LIMITED, DEPARTMENT OF BIOTECHNOLOGYInventors: Ravindra Kumar, Ruchi Gaur, Tirath Raj, Manali Kapoor Kakkar, Alok Satlewal, Ravi Prakash Gupta, Deepak Kumar Tuli