Patents by Inventor Sanjiv Kumar MAZUMDAR
Sanjiv Kumar MAZUMDAR 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).
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Patent number: 11598475Abstract: A caliper pig for detecting geometrical deformation of a pipeline is disclosed. The caliper pig includes a body and a first sensor arm assembly. The first sensor arm assembly includes a primary caliper sensor ring adapted to be mounted on the body. Further, the first sensor arm assembly includes a plurality of sensor arms adapted circumferentially distributed on the primary caliper sensor ring. Each of the plurality of sensor arms includes a sensing arm adapted to be in contact with an internal surface of the pipeline and a pair of magnets adapted to rotate along the sensing arm. Each of the plurality of sensor arms includes a sensing unit configured to detect a change in magnetic field based on the movement of the sensing arm. The sensing unit is configured to generate an output indicative of an angle of deflection of the sensing arm while traversing on the internal surface of the pipeline.Type: GrantFiled: April 22, 2021Date of Patent: March 7, 2023Assignee: Indian Oil Corporation LimitedInventors: Sai Kiran Tummapalli, Pradeep Kumar Sharma, Dhirendra Pratap, Purushottam Kashinath Nimje, Mohammad Amir Qasi, Kannan Chandrasekaran, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
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Patent number: 11453600Abstract: The present invention relates to a method of making of hydrocarbon soluble metal composition comprising of one or more metals of group VIB of the periodic table, wherein the metal having 4+ oxidation state predominantly forms highly active metal sulfide catalyst for hydro-conversion of heavy oil feedstocks in liquid phase. More particularly, present invention relates to a hydrocarbon soluble metal composition comprising of reaction products of a metal source, a lipophilic phenolic acid, a surfactant and an organophosphorus compound. The present invention also provides a one-pot process for preparation of the hydrocarbon soluble metal composition comprising reacting a metal source, a lipophilic phenolic acid, a surfactant, an organophosphorus compound and water to obtain a reaction product and drying the reaction product to obtain the hydrocarbon soluble metal composition.Type: GrantFiled: June 13, 2019Date of Patent: September 27, 2022Assignee: Indian Oil Corporation LimitedInventors: Murugan Balasundaram, Kochappilly Ouseph Xavier, Alex Cheru Pulikottil, Madhusudan Sau, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
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Patent number: 11345866Abstract: This invention relates to production of low sulfur MARPOL compliant bunker fuel oil and distillates using high sulfur residue, low sulfur residue and/or blend of high and low sulfur residue feed stock. The invention also describes a method for production of a cutterstock stream having a lower paraffin and higher aromatic content than a feed stream using a paraffin separation section and its blending to produce bunker fuel.Type: GrantFiled: February 8, 2021Date of Patent: May 31, 2022Assignee: INDLIN OIL CORPORATION LIMITEDInventors: Sanjiv Kumar Mazumdar, Shivam Ashok Dixit, Satyen Kumar Das, Terapalli Hari Venkata Devi Parsad, Ponoly Ramachandran Pradeep, Manisha Saraswat, Madhusudan Sau, Sankara Sri Venkata Ramakumar
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Patent number: 11286571Abstract: The present invention relates to development of high performing oil soluble and water dispersible corrosion inhibitor composition for mitigating internal corrosion of crude oil pipelines during storage and transportation of crude oils. The developed composition consists of acid-amine complex as corrosion inhibiting agent, mixture of organic acids as dispersing agent and ester derivative of alkylated phenol for better film formation. The present invention further relates to a process of preparation of the oil soluble and water dispersible corrosion inhibitor composition and subsequently a process for protecting the corrosion of internal metal surface of crude oil transportation pipelines using the corrosion inhibitor composition.Type: GrantFiled: February 26, 2020Date of Patent: March 29, 2022Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Prakash Shanti, Tanmay Mandal, Ajay Kumar Arora, Vivekanand Kagdiyal, Suresh Kumar Puri, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
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Patent number: 11274257Abstract: 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: GrantFiled: September 4, 2019Date of Patent: March 15, 2022Assignee: Indian Oil Corporation LimitedInventors: 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
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Patent number: 11241674Abstract: 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: GrantFiled: March 18, 2019Date of Patent: February 8, 2022Assignee: Indian Oil Corporation LimitedInventors: Mohan Prabhu Kuvettu, Kumaresan Loganathan, Biswanath Sarkar, Balaiah Swamy, Arumugam Velayutham Karthikeyani, Alex Cheru Pulikottil, Vibhav Pandey, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
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Patent number: 11242893Abstract: 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: GrantFiled: March 6, 2019Date of Patent: February 8, 2022Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Anil Kumar Jaiswal, Kannan Sethuraman, Sumit Bhaskaran, Rameshwar Chaudhary, Rajendra Mahapatra, Ajay Kumar Harinarain, Deepak Saxena, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
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Patent number: 11174563Abstract: 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: GrantFiled: September 29, 2018Date of Patent: November 16, 2021Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Mahendara Pratap Singh, Manoj Kumar, Srikanth Sandipam, Amardeep Singh, Dheer Singh, Umish Srivastava, Suresh Kumar Puri, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
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Patent number: 11168260Abstract: The present invention relates to a novel process with lower recycle ratio while eliminating the need for quench column for production of superior quality coke conforming to specifications of anode grade coke. The process of the present invention enables production of lower amounts of coke and fuel oil yields.Type: GrantFiled: June 13, 2019Date of Patent: November 9, 2021Assignee: Indian Oil Corporation LimitedInventors: Satyen Kumar Das, Terapalli Hari Venkata Devi Prasad, Ponoly Ramachandran Pradeep, Arjun Kumar Kottakuna, Madhusudan Sau, Debasis Bhattacharyya, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
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Publication number: 20210332930Abstract: A caliper pig for detecting geometrical deformation of a pipeline is disclosed. The caliper pig includes a body and a first sensor arm assembly. The first sensor arm assembly includes a primary caliper sensor ring adapted to be mounted on the body. Further, the first sensor arm assembly includes a plurality of sensor arms adapted circumferentially distributed on the primary caliper sensor ring. Each of the plurality of sensor arms includes a sensing arm adapted to be in contact with an internal surface of the pipeline and a pair of magnets adapted to rotate along the sensing arm. Each of the plurality of sensor arms includes a sensing unit configured to detect a change in magnetic field based on the movement of the sensing arm. The sensing unit is configured to generate an output indicative of an angle of deflection of the sensing arm while traversing on the internal surface of the pipeline.Type: ApplicationFiled: April 22, 2021Publication date: October 28, 2021Inventors: Sai Kiran TUMMAPALLI, Pradeep Kumar SHARMA, Dhirendra PRATAP, Purushottam Kashinath NIMJE, Mohammad Amir QASI, Kannan CHANDRASEKARAN, Sanjiv Kumar MAZUMDAR, Sankara Sri Venkata RAMAKUMAR
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Patent number: 11149223Abstract: The present invention discloses a single package additive for improving lubricity and conductivity properties of ultra-low sulfur diesel fuels. The single package additive is a reaction product of a fatty acid composition, a glycerol tricarboxylates, a polysulfone, a polyamine, an alkylated benzene sulfonic acid and a phenol derivative. More specifically, the present invention discloses a reaction product of: a fatty acid composition in the range of 60-95% wt/wt; a glycerol tricarboxylate in the range of 0.1-10.0% wt/wt; a polysulfone in the range of 0.1-5.0% wt/wt; a polyamine in the range of 0.1-5.0% wt/wt; an alkylated benzene sulfonic acid in the range of 0.1-5.0% wt/wt; and a phenol derivative in the range of 0.1-10.0% wt/wt. The present invention also discloses a single-pot process for the preparation of said reaction product.Type: GrantFiled: December 8, 2020Date of Patent: October 19, 2021Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Krishnarao Lopinti, Maya Chakradhar, Ajay Kumar Arora, Vivekanand Kagdiyal, Deepak Saxena, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
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Patent number: 11149207Abstract: A delayed coking furnace (100) for heating coker feedstock (101) is disclosed. The furnace (100) includes a first heating zone (102) adapted to provide heat to the coker feedstock (101) through a convective heat transfer and then a second heating zone (104) positioned below the first heating zone (102) and adapted to heat the coker feedstock (101) through radiative heat transfer, wherein the second heating zone (104) include a lower portion and an upper portion. Further, said furnace (100) includes a plurality of burners (106) located at the lower portion of the second heating zone (104) and at least one baffle (111) disposed in the upper portion of the second heating zone (104). Further, the present disclosure provides that the at least one baffle (111) is adapted to increase a convective heat transfer coefficient associated with a flue gas flowing from the second heating zone (104) to the first heating zone (102).Type: GrantFiled: June 11, 2020Date of Patent: October 19, 2021Assignee: Indian Oil Corporation LimitedInventors: Arjun Kumar Kottakuna, Ponoly Ramachandran Pradeep, Terapalli Hari Venkata Devi Prasad, Satyen Kumar Das, Madhusudan Sau, Debasis Bhattacharyya, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
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Publication number: 20210246380Abstract: This invention relates to production of low sulfur MARPOL compliant bunker fuel oil and distillates using high sulfur residue, low sulfur residue and/or blend of high and low sulfur residue feed stock. The invention also describes a method for production of a cutterstock stream having a lower paraffin and higher aromatic content than a feed stream using a paraffin separation section and its blending to produce bunker fuel.Type: ApplicationFiled: February 8, 2021Publication date: August 12, 2021Inventors: Sanjiv Kumar MAZUMDAR, Shivam Ashok DIXIT, Satyen Kumar DAS, Terapalli Hari Venkata Devi PARSAD, Ponoly Ramachandran PRADEEP, Manisha SARASWAT, Madhusudan SAU, Sankara Sri Venkata RAMAKUMAR
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Patent number: 11084930Abstract: The present invention relates to a co-solubilization process for preparation of a polymer modified bitumen/asphalt and emulsified polymer modified bitumen/asphalt from bitumen, polymer, emulsifier etc. The present invention further relates to a polymer modified bitumen comprising bitumen and styrene-butadiene-styrene (SBS) linear co-polymer having high softening point. The present invention also relates to the use of the polymer modified bitumen and its emulsion in in micro-surfacing for maintenance of pavements.Type: GrantFiled: December 18, 2019Date of Patent: August 10, 2021Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Amol Deorukhkar, David Kochukutty, Devotta Irudayaraj, Naduhatty Selai Raman, Madhusudan Sau, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
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Publication number: 20210189270Abstract: The present invention discloses a single package additive for improving lubricity and conductivity properties of ultra-low sulfur diesel fuels. The single package additive is a reaction product of a fatty acid composition, a glycerol tricarboxylates, a polysulfone, a polyamine, an alkylated benzene sulfonic acid and a phenol derivative. More specifically, the present invention discloses a reaction product of: a fatty acid composition in the range of 60-95% wt/wt; a glycerol tricarboxylate in the range of 0.1-10.0% wt/wt; a polysulfone in the range of 0.1-5.0% wt/wt; a polyamine in the range of 0.1-5.0% wt/wt; an alkylated benzene sulfonic acid in the range of 0.1-5.0% wt/wt; and a phenol derivative in the range of 0.1-10.0% wt/wt. The present invention also discloses a single-pot process for the preparation of said reaction product.Type: ApplicationFiled: December 8, 2020Publication date: June 24, 2021Inventors: Krishnarao LOPINTI, Maya CHAKRADHAR, Ajay Kumar ARORA, Vivekanand KAGDIYAL, Deepak SAXENA, Sanjiv Kumar MAZUMDAR, Sankara Sri Venkata RAMAKUMAR
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Patent number: 11000843Abstract: The present invention relates to preparation of catalyst for production of olefinic hydrocarbons by dehydrogenation of their corresponding paraffins, particularly propylene from propane, comprising a metal oxide or combination of metal oxides utilizing spent catalyst from Fluid Catalytic Cracking (FCC)/Resid Fluid Catalytic Cracking (RFCC) processes. The metal oxides are possibly from transition metal group, particularly from groups VB, VIB, VIII, and Lanthanide series, and at least one metal from alkali group. The catalyst support used is spent catalyst or modified spent catalyst or combination thereof. The said catalyst can be used for both non-oxidative Propane Dehydrogenation (PDH) and Oxidative Propane Dehydrogenation (OPDH) process in the presence of CO2.Type: GrantFiled: January 30, 2019Date of Patent: May 11, 2021Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Hima Bindu Doosa, Ram Mohan Thakur, Vineeth Venu Nath, Eswar Prasad Dalai, Debasis Bhattacharyya, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
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Patent number: 11001771Abstract: A process for upgrading light cycle oil (LCO) to a high octane gasoline and a high aromatic feedstock for aromatic complex, by utilizing fluid catalytic cracking (FCC) is disclosed. FCC cracks unconverted diesel range stream from a hydrocracker to a high octane gasoline. This process further improves the quality (e.g., research octane number (RON), and Sulfur) of gasoline by utilizing FCC and hydrocracking process.Type: GrantFiled: April 16, 2020Date of Patent: May 11, 2021Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Mainak Sarkar, Nayan Das, Ganesh Vitthalrao Butley, Sandeep Kumar, Ram Mohan Thakur, Ramesh Karumanchi, Sarvesh Kumar, Madhusudan Sau, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
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Patent number: 10947172Abstract: The invention discloses a novel method for preparation of highly active and selective dehydrogenation catalyst, comprising of metal oxide of group VIB elements of periodic table, and at least one metal oxide from group IA and/or group VIII, supported on alumina or silica or mixture thereof, wherein the accessibility to active sites and dispersion of metal oxides is enhanced by the addition of carbonaceous material such as coke derived from coal or petroleum coke or any other form of carbon, during catalyst preparation and its combustion thereof during calcination.Type: GrantFiled: October 18, 2019Date of Patent: March 16, 2021Assignee: Indian Oil Corporation LimitedInventors: Ram Mohan Thakur, Hima Bindu Doosa, Kamlesh Gupta, Debasis Bhattacharyya, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
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Patent number: 10941346Abstract: A process of conversion of fuel grade coke produced through thermal cracking of heavy petroleum residue to anode grade coke. The process employs high sulfur fuel grade coke as the feedstock to produce low sulfur coke, which can be used to manufacture electrodes for use in the aluminum industry. A related system is adapted to remove metal content from coke and convert fuel grade coke to anode grade coke.Type: GrantFiled: April 9, 2020Date of Patent: March 9, 2021Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Ponoly Ramachandran Pradeep, Prantik Mondal, Terapalli Hari Venkata Devi Prasad, Satyen Kumar Das, Madhusudan Sau, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar
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Patent number: 10934494Abstract: The present invention relates to a process for production of anisotropic coke from a hydrocarbon feedstock and a system for producing the same. More particularly, the present invention relates to a thermal cracking of heavy petroleum residue producing petroleum coke and lighter hydrocarbon products. The invented process utilizes a novel scheme for production of a premium quality coke from primarily, a clarified oil feedstock. Clarified oil from fluid catalytic cracking unit is routed through a process scheme comprising a separator column, hydrotreatment section and an aromatic extraction section to create an ad-mix of effluents which form the feedstock to a thermal cracking unit. Premium quality anisotropic coke is produced in the thermal cracker reactor drums under tailor made process conditions employing the said feedstock.Type: GrantFiled: January 30, 2020Date of Patent: March 2, 2021Assignee: Indian Oil Corporation LimitedInventors: Terapalli Hari Venkata Devi Prasad, Ponoly Ramachandran Pradeep, Satyen Kumar Das, Kamal Kumar, Ramesh Karumanchi, Madhusudan Sau, Debasis Bhattacharyya, Sanjiv Kumar Mazumdar, Sankara Sri Venkata Ramakumar