Patents by Inventor Pankaj Kumar Kasliwal
Pankaj Kumar Kasliwal 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: 10960382Abstract: The present invention provides a catalyst product comprising of (a) porous acidic clay material and (b) binder and matrix to shape the catalyst to either microspheres, pellet, tablet, extrudate and ring and suitable for enhancing the crack-ability of heavy feed material derived from atmospheric and vacuum distillation bottoms; FCC bottoms, coker bottoms and hydrocracker bottoms. The invention particularly relates to a catalyst cum heat supply product suitable for thermal coking process either in a batch mode or continuous coking process.Type: GrantFiled: January 6, 2014Date of Patent: March 30, 2021Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Kuvettu Mohan Prabhu, Velusamy Chidambaram, Pankaj Kumar Kasliwal, Alex Cheru Pulikottil, Biswanath Sarkar, Brijesh Kumar, Santanam Rajagopal, Ravinder Kumar Malhotra
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Patent number: 10384948Abstract: The present invention relates to a Cracking Catalyst composition for cracking of heavy hydrocarbon feed stocks and process for preparing the catalyst. The catalyst is prepared by incorporating 1-10 wt % phosphate treated USY zeolite in which phosphate is present in the range of 10 to 50 wt % on the basis of phosphated zeolite, in a mixture of 10-50 wt % dispersible alumina, 0-30 wt % non-dispersal alumina, 5-30 wt % colloidal silica, 15-50 wt % clay and 5-15 wt % phosphate.Type: GrantFiled: August 9, 2016Date of Patent: August 20, 2019Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Biswanath Sarkar, Mohan Prabhu Kuvettu, Velusamy Chidambaram, Alex Cheru Pulikottil, Pankaj Kumar Kasliwal, Shiba Prasad Choudhury, Ram Mohan Thakur, Brijesh Kumar, Biswapriya Das
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Patent number: 10315186Abstract: The invention relates to a CO oxidation promoter additive and a method of its preparation. The CO oxidation promoter additive is having improved apparent bulk density and attrition properties for use in hydrocarbon conversion during fluid catalytic cracking. The CO oxidation promoter additive has a better CO to CO2 conversion.Type: GrantFiled: January 8, 2015Date of Patent: June 11, 2019Assignee: Indian Oil Corporation LimitedInventors: Kumaresan Loganathan, Mohan Prabhu Kuvettu, Arumugam Velayutham Karthikeyani, Biswanath Sarkar, Balaiah Swamy, Alex Pulikottil, Pankaj Kumar Kasliwal, Jayaraj Christopher, Brijesh Kumar, Santanam Rajagopal
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Patent number: 10130943Abstract: The present invention provides a catalyst composition for use in a catalytic cracking process, said catalyst composition comprises 3.5 to 15.5% of pentasil zeolite, 9 to 40% of ultra-stable Y (USY) or rare earth exchanged USY (REUSY) zeolite, 3.5 to 15% of large pore active matrix based bottom up gradation component and 0.3 to 3% of a metal trap component, the percentage being based on weight of the catalyst composition. The present invention also provides a process for preparing the said catalyst composition and a catalytic cracking process comprising contacting the said catalyst composition with a feedstock.Type: GrantFiled: July 23, 2013Date of Patent: November 20, 2018Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Arumugam Velayutham Karthikeyani, Mohan Prabhu Kuvettu, Biswanath Sarkar, Pankaj Kumar Kasliwal, Balaiah Swamy, Ganga Shankar Mishra, Kamlesh Gupta, Santanam Rajagopal, Ravinder Kumar Malhotra, Kumar Brijesh
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Patent number: 9944862Abstract: The present invention provides a process and a system for coking and simultaneous upgrading of a heavy hydrocarbon feedstock. More particularly the present invention relates to a process of cracking heavy hydrocarbon feedstock employing high heat carrier, incorporated with weak acid sites for improving the liquid yield and reducing coke yield. The feedstock is vaporized and brought in contact with a heat carrier material to produce a product stream and separating the product stream from the particulate heat carrier, regeneration of the particulate heat carrier to the extent of 10-30% and collecting a gaseous and liquid product from the product stream.Type: GrantFiled: January 6, 2014Date of Patent: April 17, 2018Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Pankaj Kumar Kasliwal, Kuvettu Mohan Prabhu, Arumugam Velayutham Karthikeyani, Bandaru Venkata Hariprasadgupta, Balaiah Swamy, Biswanath Sarkar, Brijesh Kumar, Santanam Rajagopal, Ravinder Kumar Malhotra
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Patent number: 9873096Abstract: The present subject matter relates to a feed nozzle assembly 100 for atomizing a heavy hydrocarbon feed by mixing the hydrocarbon feed with a diluent and an atomizing media. The feed nozzle assembly 100 includes at least one primary mixing chambers 101 for receiving the liquid hydrocarbon feed and the diluent to create a primary mixture. The primary mixture is than forwarded to a secondary mixing chamber 102. The secondary mixing chamber extends to a tertiary mixing chamber 103. A steam inlet 110 is provided to inject streams of steam to the secondary mixing chamber 102 and to the tertiary mixing chamber 103 through a first opening and a second opening, respectively, located within the steam inlet 110.Type: GrantFiled: December 3, 2010Date of Patent: January 23, 2018Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Bidyut De, Pankaj Kumar Kasliwal, Debasis Bhattacharyya, Venkatachalam Krishnan, Santanam Rajagopal
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Publication number: 20170144140Abstract: The present invention relates to a Cracking Catalyst composition for cracking of heavy hydrocarbon feed stocks and process for preparing the catalyst. The catalyst is prepared by incorporating 1-10 wt % phosphate treated USY zeolite in which phosphate is present in the range of 10 to 50 wt % on the basis of phosphated zeolite, in a mixture of 10-50 wt % dispersible alumina, 0-30 wt % non-dispersal alumina, 5-30 wt % colloidal silica, 15-50 wt % clay and 5-15 wt % phosphate.Type: ApplicationFiled: August 9, 2016Publication date: May 25, 2017Applicant: INDIAN OIL CORPORATION LIMITEDInventors: Biswanath SARKAR, Mohan Prabhu KUVETTU, Velusamy CHIDAMBARAM, Alex Cheru PULIKOTTIL, Pankaj Kumar KASLIWAL, Shiba Prasad CHOUDHURY, Ram Mohan THAKUR, Brijesh KUMAR, Biswapriya DAS
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Patent number: 9637693Abstract: Disclosed herein is an improved fluidized catalytic cracking process for converting normally liquid hydrocarbon feedstock with simultaneous reduction of sulfur content in the liquid products obtained therefrom which comprises carrying out the cracking process in the presence of carbon monoxide gas as a reducing agent. The process optionally includes a step of premixing the hydrocarbon feedstock with carbon monoxide gas causing major sulfur reduction before effecting the cracking. The premixing is done in a specified nozzle assembly linked to the FCC unit.Type: GrantFiled: October 29, 2012Date of Patent: May 2, 2017Assignee: INDIAN OIL CORPORATION LTD.Inventors: Pankaj Kumar Kasliwal, Brijesh Kumar Verma, Ganga Shanker Mishra, Arumugam Velayutham Karthikeyani, Latoor Lal Saroya, Mohan Prabhu Kuvettu, Brijesh Kumar, Santanam Rajagopal, Ravinder Kumar Malhotra
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Publication number: 20160281002Abstract: The present invention provides a process and a system for coking and simultaneous upgrading of a heavy hydrocarbon feedstock. More particularly the present invention relates to a process of cracking heavy hydrocarbon feedstock employing high heat carrier, incorporated with weak acid sites for improving the liquid yield and reducing coke yield. The feedstock is vaporized and brought in contact with a heat carrier material to produce a product stream and separating the product stream from the particulate heat carrier, regeneration of the particulate heat carrier to the extent of 10-30% and collecting a gaseous and liquid product from the product stream.Type: ApplicationFiled: January 6, 2014Publication date: September 29, 2016Applicant: INDIAN OIL CORPORATION LIMITEDInventors: Pankaj Kumar KASLIWAL, Kuvettu Mohan PRABHU, Arumugam Velayutham KARTHIKEYANI, Bandaru Venkata HARIPRASADGUPTA, Balaiah SWAMY, Biswanath SARKAR, Brijesh KUMAR, Santanam RAJAGOPAL, Ravinder Kumar MALHOTRA
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Publication number: 20160263556Abstract: The present invention provides a catalyst product comprising of (a) porous acidic clay material and (b) binder and matrix to shape the catalyst to either microspheres, pellet, tablet, extrudate and ring and suitable for enhancing the crack-ability of heavy feed material derived from atmospheric and vacuum distillation bottoms; FCC bottoms, coker bottoms and hydrocracker bottoms. The invention particularly relates to a catalyst cum heat supply product suitable for thermal coking process either in a batch mode or continuous coking process.Type: ApplicationFiled: January 6, 2014Publication date: September 15, 2016Inventors: Kuvettu Mohan PRABHU, Velusamy CHIDAMBARAM, Pankaj Kumar KASLIWAL, Alex Cheru PULIKOTTIL, Biswanath SARKAR, Brijesh KUMAR, Santanam RAJAGOPAL, Ravinder Kumar MALHOTRA
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Publication number: 20160074842Abstract: The present invention relates to an additive composition for cracking of heavy hydrocarbon feed stocks. In particular, the present invention relates to an additive composition comprising large crystallite low surface are alumina component in combination with phosphate compound in fluid catalytic cracking additive and a process for the preparation thereof.Type: ApplicationFiled: September 17, 2015Publication date: March 17, 2016Inventors: Biswanath SARKAR, Velusamy CHIDAMBARAM, Mahesh KADGAONKAR, Mohan Prabhu KUVETTU, Arumugam Velayutham KARTHIKEYANI, Balaiah SWAMY, Shiba Prasad CHOUDHURY, Pankaj Kumar KASLIWAL, Alex PULIKOTTIL, Ram Mohan THAKUR, Jayaraj CHRISTOPHER, Brijesh KUMAR, Santanam RAJAGOPAL, Biswapriya DAS
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Publication number: 20150352525Abstract: The invention relates to a CO oxidation promoter additive and a method of its preparation. The CO oxidation promoter additive is having improved apparent bulk density and attrition properties for use in hydrocarbon conversion during fluid catalytic cracking. The CO oxidation promoter additive has a better CO to CO2 conversion.Type: ApplicationFiled: January 8, 2015Publication date: December 10, 2015Inventors: Kumaresan Loganathan, Mohan Prabhu Kuvettu, Arumugam Velayutham Karthikeyani, Biswanath Sarkar, Balaiah Swamy, Alex Pulikottil, Pankaj Kumar Kasliwal, Jayaraj Christopher, Brijesh Kumar, Santanam Rajagopal
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Publication number: 20150190794Abstract: The present invention provides a catalyst composition for use in a catalytic cracking process, said catalyst composition comprises 3.5 to 15.5% of pentasil zeolite, 9 to 40% of ultra-stable Y (USY) or rare earth exchanged USY (REUSY) zeolite, 3.5 to 15% of large pore active matrix based bottom up gradation component and 0.3 to 3% of a metal trap component, the percentage being based on weight of the catalyst composition. The present invention also provides a process for preparing the said catalyst composition and a catalytic cracking process comprising contacting the said catalyst composition with a feedstock.Type: ApplicationFiled: July 23, 2013Publication date: July 9, 2015Inventors: Arumugam Velayutham Karthikeyani, Mohan Prabhu Kuvettu, Biswanath Sarkar, Pankaj Kumar Kasliwal, Balaiah Swamy, Ganga Shankar Mishra, Kamlesh Gupta, Santanam Rajagopal, Ravinder Kumar Malhotra, Kumar Brijesh
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Publication number: 20140299509Abstract: Disclosed herein is an improved fluidized catalytic cracking process for converting normally liquid hydrocarbon feedstock with simultaneous reduction of sulfur content in the liquid products obtained therefrom which comprises carrying out the cracking process in the presence of carbon monoxide gas as a reducing agent. The process optionally includes a step of premixing the hydrocarbon feedstock with carbon monoxide gas causing major sulfur reduction before effecting the cracking. The premixing is done in a specified nozzle assembly linked to the FCC unit.Type: ApplicationFiled: October 29, 2012Publication date: October 9, 2014Applicant: INDIAN OIL CORPORATION LTD.Inventors: Pankaj Kumar Kasliwal, Brijesh Kumar Verma, Ganga Shanker Mishra, Arumugam Velayutham Karthkeyani, Latoor Lal Saroya, Mohan Prabhu Kuvettu, Brijesh Kumar, Santanam Rajagopal, Ravinder Kumar Malhotra
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Publication number: 20140235429Abstract: The invention discloses a process for upgrading feed streams containing residual fractions with high concentrations of metals, more specifically nickel content up to 150 ppm employing acidic catalysts comprising large pore rare earth faujasite zeolite component, pentasil zeolite component and pseudoboehemite containing resid cracking component while the composite is impregnated with lanthanum oxide or aluminium oxide or mixture of both. The hydrocarbon feed stock can be sourced from either petroleum derivatives or from coal, tar or sand. The process results in increased selectivity of propylene in LPG in the range of 39-52%.Type: ApplicationFiled: October 11, 2012Publication date: August 21, 2014Applicant: INDIAN OIL CORPORATION LTD.Inventors: Arumugam Velayutham Karthikeyani, Biswanath Sarkar, Velusamy Chidambaram, Balaiah Swamy, Pankaj Kumar Kasliwal, Ganga Shanker Mishra, Mohan Prabhu Kuvettu
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Publication number: 20120024748Abstract: The present invention relates to a fluidized catalytic cracking process for cracking hydrocarbon feed having organo-sulfur compound as an impurity, said process comprising: adding a heavy metal poisoned spent catalyst to an equilibrium catalyst to obtain a composite circulating catalyst, wherein the heavy metal poisoned spent catalyst is added in an amount to maintain the activity of the circulating catalyst; and obtaining a fluidized catalytic cracked product. The present invention further relates to fluidized catalytic cracked product obtained by the process of the present invention. The sulfur content of the fluidized catalytic cracked product mainly gasoline which is boiling in the range of C5-250° C. reduced by more than 20% (wt/wt). And Research Octane number of the fluidized catalytic cracked product is increased by more than 1 unit.Type: ApplicationFiled: March 29, 2010Publication date: February 2, 2012Inventors: Saravanan Subramani, Debasis Bhattacharyya, Karthikeyani Arumugam Velayutham, Pankaj Kumar Kasliwal, Krishnan Venkatachalam