Patents by Inventor Biswanath Sarkar

Biswanath Sarkar 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).

  • Patent number: 11465132
    Abstract: This invention relates to an additive capable of increasing the gasoline octane (by 2-3 units) with minimum loss of gasoline. More specifically, the present invention discloses a fluid catalytic cracking additive composition capable of enhancing gasoline octane, said composition comprising 5-50 wt. % zeolite component, 0-15 wt % alumina, 5-20 wt % colloidal silica, 10-60 wt % kaolin clay, 5-15 wt % phosphate, and 0.1 to 5.0 wt. % of bivalent metal selected from Group-IIA or Group-IB, wherein the zeolite component comprises of medium pore pentasil zeolite in an amount of 1 to 50 wt. % and said zeolite consists of one or more MFI topology zeolite having SiO2/Al2O3 mole ratio in the range of 10-280. The present invention also discloses a process for preparation of the additive.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: October 11, 2022
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Mahesh Kadgaonkar, Arumugam Velayutham Karthikeyani, Kumaresan Loganathan, Balaiah Swamy, Velusamy Chidambaram, Biswanath Sarkar, Alex Cheru Pulikottil, Vineeth Venu Nath, Ram Mohan Thakur, Madhusudan Sau, Gurpreet Singh Kapur, 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
  • Publication number: 20210101137
    Abstract: This invention relates to an additive capable of increasing the gasoline octane (by 2-3 units) with minimum loss of gasoline. More specifically, the present invention discloses a fluid catalytic cracking additive composition capable of enhancing gasoline octane, said composition comprising 5-50 wt. % zeolite component, 0-15 wt % alumina, 5-20 wt % colloidal silica, 10-60 wt % kaolin clay, 5-15 wt % phosphate, and 0.1 to 5.0 wt. % of bivalent metal selected from Group-IIA or Group-IB, wherein the zeolite component comprises of medium pore pentasil zeolite in an amount of 1 to 50 wt. % and said zeolite consists of one or more MFI topology zeolite having SiO2/Al2O3 mole ratio in the range of 10-280. The present invention also discloses a process for preparation of the additive.
    Type: Application
    Filed: September 29, 2020
    Publication date: April 8, 2021
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Mahesh KADGAONKAR, Arumugam Velayutham KARTHIKEYANI, Kumaresan LOGANATHAN, Balaiah SWAMY, Velusamy CHIDAMBARAM, Biswanath SARKAR, Alex Cheru PULIKOTTIL, Vineeth Venu NATH, Ram Mohan THAKUR, Madhusudan SAU, Gurpreet Singh KAPUR, Sankara Sri Venkata RAMAKUMAR
  • Patent number: 10960382
    Abstract: 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: Grant
    Filed: January 6, 2014
    Date of Patent: March 30, 2021
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Kuvettu Mohan Prabhu, Velusamy Chidambaram, Pankaj Kumar Kasliwal, Alex Cheru Pulikottil, Biswanath Sarkar, Brijesh Kumar, Santanam Rajagopal, Ravinder Kumar Malhotra
  • Patent number: 10738914
    Abstract: A sliding pipe supporting arrangement (2) adapted to receive and support at least one pipe or jacketed pipe assembly comprising main support means (9) comprising at least one opening to support a pipe. The arrangement further comprises an assembly of spring arrangement (6) and ball transfer unit (7), coupled to the main support means so as to isolate differential displacement in lateral and vertical direction of the pipe. The assembly unit comprises a top plate (3), middle plate (4) and a bottom plate (5). The spring arrangement further comprises a plurality of springs positioned in between the top plate (3) and the middle plate (4) facilitating the vertical displacement of the pipe. The ball transfer unit (4) also comprises plural rollers positioned between the bottom plate (4) and middle plate (5) facilitating lateral displacement of the pipe and an expansion joint arrangement (8) placed in between pipe lengths of a pipe to attenuate the axial displacement of the said pipe.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: August 11, 2020
    Assignees: INSTITUTE FOR PLASMA RESEARCH, INOX INDIA PVT. LTD.
    Inventors: Nitin D. Shah, Ketan D. Choukekar, Mohit Jadon, Uday Kumar, Biswanath Sarkar, Hitensinh B. Vaghela, Rajkumar L. Panjwani, Bhumika H. Joshi, Hardik R. Vyas, Vijay S. Gehani, Hiren V. Kanzaria, Darshan M. Dodiya, Dhara G. Prajapati, Manan R. Thekdi
  • Publication number: 20200041043
    Abstract: A sliding pipe supporting arrangement (2) adapted to receive and support at least one pipe or jacketed pipe assembly comprising main support means (9) comprising at least one opening to support a pipe. The arrangement further comprises an assembly of spring arrangement (6) and ball transfer unit (7), coupled to the main support means so as to isolate differential displacement in lateral and vertical direction of the pipe. The assembly unit comprises a top plate (3), middle plate (4) and a bottom plate (5). The spring arrangement further comprises a plurality of springs positioned in between the top plate (3) and the middle plate (4) facilitating the vertical displacement of the pipe. The ball transfer unit (4) also comprises plural rollers positioned between the bottom plate (4) and middle plate (5) facilitating lateral displacement of the pipe and an expansion joint arrangement (8) placed in between pipe lengths of a pipe to attenuate the axial displacement of the said pipe.
    Type: Application
    Filed: November 2, 2018
    Publication date: February 6, 2020
    Inventors: Nitin D. SHAH, Ketan D. CHOUKEKAR, Mohit JADON, Uday KUMAR, Biswanath SARKAR, Hitensinh B. VAGHELA, Rajkumar L. PANJWANI, Bhumika H. JOSHI, Hardik R. VYAS, Vijay S. GEHANI, Hiren V. KANZARIA, Darshan M. DODIYA, Dhara G. PRAJAPATI, Manan R. THEKDI
  • Patent number: 10449524
    Abstract: The present invention relates to a catalyst product for cracking of heavy hydrocarbon feed stocks predominantly in to light olefins and processes for preparing the catalyst. More specifically the present invention relates to a process of preparing Fluidic Catalytic Cracking (FCC) catalyst additive composition. The FCC catalyst additive composition of the present invention is a LPG selective catalyst particles comprising a medium pore zeolite bonded with clay-phosphate-silica-alumina binder. The catalyst of the present invention exhibits improved selectivity towards high value components like propylene and gasoline and suppressing low value components like dry gas and bottoms.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: October 22, 2019
    Assignee: Indian Oil Corporation Limited
    Inventors: Mohan Prabhu Kuvettu, Mahesh Kadgaonkar, Biswanath Sarkar, Velusamy Chidambaram, Arumugam Velayutham Karthikeyani, Alex Pulikottil, Jayaraj Christopher, Brijesh Kumar, Biswapriya Das
  • Publication number: 20190291082
    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: Application
    Filed: March 18, 2019
    Publication date: September 26, 2019
    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: 10413889
    Abstract: The present invention relates to a fluid catalytic cracking additive composition for cracking of heavy hydrocarbon feed stocks and process for preparing the additive. The additive is suitable for enhancing yields of light olefins such as propylene, isobutylene, LPG and reduces the bottom yields. The invention specifically relates to a fluid catalytic cracking additive composition comprising a pentasil zeolite, zeolites having pore size in a range of 5.4-7.7 ?, alumina, colloidal silica, kaolin clay, and phosphate, wherein the zeolites having pore size in the range of 5.4-7.7 ? is present in an amount of 1 to 10 wt % with respect to the total amount of the pentasil zeolite and zeolite having the pore size in the range of 5.4-7.7 ?.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: September 17, 2019
    Assignee: Indian Oil Corporation Limited
    Inventors: Mahesh Kadgaonkar, Biswanath Sarkar, Alex Cheru Pulikottil, Velusamy Chidambaram, Arumugam Velayutham Karthikeyani, Mohan Prabhu Kuvettu, Shiba Prasad Choudhury, Jayaraj Christopher, Brijesh Kumar, Biswapriya Das
  • Patent number: 10384948
    Abstract: 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: Grant
    Filed: August 9, 2016
    Date of Patent: August 20, 2019
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Biswanath Sarkar, Mohan Prabhu Kuvettu, Velusamy Chidambaram, Alex Cheru Pulikottil, Pankaj Kumar Kasliwal, Shiba Prasad Choudhury, Ram Mohan Thakur, Brijesh Kumar, Biswapriya Das
  • Patent number: 10315186
    Abstract: 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: Grant
    Filed: January 8, 2015
    Date of Patent: June 11, 2019
    Assignee: Indian Oil Corporation Limited
    Inventors: Kumaresan Loganathan, Mohan Prabhu Kuvettu, Arumugam Velayutham Karthikeyani, Biswanath Sarkar, Balaiah Swamy, Alex Pulikottil, Pankaj Kumar Kasliwal, Jayaraj Christopher, Brijesh Kumar, Santanam Rajagopal
  • 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
  • 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
  • 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: 10130943
    Abstract: 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: Grant
    Filed: July 23, 2013
    Date of Patent: November 20, 2018
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: 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
  • Patent number: 9981246
    Abstract: The present invention relates to a catalyst additive composition suitable for fluid cracking, riser cracking and fixed bed cracking with reduction in bottom and coke, wherein the aluminosilicate and silica-alumina is generated in situ from added clay and silica. The present invention is also directed towards the preparation of the said catalyst additive composition. The invention also discloses a process for cracking of heavy hydrocarbons using the said catalyst additive.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: May 29, 2018
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Velusamy Chidambaram, Mohan Prabhu Kuvettu, Arumugam Velayutham Karthikeyani, Biswanath Sarkar, Balaiah Swamy, Shiba Prasad Choudhury, Ram Mohan Thakur, Brijesh Kumar Verma, Brijesh Kumar, Biswapriya Das
  • Patent number: 9944862
    Abstract: 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: Grant
    Filed: January 6, 2014
    Date of Patent: April 17, 2018
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Pankaj Kumar Kasliwal, Kuvettu Mohan Prabhu, Arumugam Velayutham Karthikeyani, Bandaru Venkata Hariprasadgupta, Balaiah Swamy, Biswanath Sarkar, Brijesh Kumar, Santanam Rajagopal, Ravinder Kumar Malhotra
  • Publication number: 20170151554
    Abstract: The present invention relates to attrition resistant hydrocarbon cracking catalyst additive composition comprising aluminium 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 aluminium 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: Application
    Filed: August 10, 2016
    Publication date: June 1, 2017
    Inventors: BISWANATH SARKAR, ARUMUGAM VELAYUTHAM KARTHIKEYANI, MOHAN PRABHU KUVETTU, MAHESH KADGAONKAR, VELUSAMY CHIDAMBARAM, BALAIAH SWAMY, BRIJESH KUMAR, BISWAPRIYA DAS
  • Publication number: 20170144140
    Abstract: 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: Application
    Filed: August 9, 2016
    Publication date: May 25, 2017
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Biswanath SARKAR, Mohan Prabhu KUVETTU, Velusamy CHIDAMBARAM, Alex Cheru PULIKOTTIL, Pankaj Kumar KASLIWAL, Shiba Prasad CHOUDHURY, Ram Mohan THAKUR, Brijesh KUMAR, Biswapriya DAS
  • Publication number: 20170144139
    Abstract: The present invention relates to a fluid catalytic cracking additive composition for cracking of heavy hydrocarbon feed stocks and process for preparing the additive. The additive is suitable for enhancing yields of light olefins such as propylene, isobutylene, LPG and reduces the bottom yields. The invention specifically relates to a fluid catalytic cracking additive composition comprising a pentasil zeolite, zeolites having pore size in a range of 5.4-7.7 ?, alumina, colloidal silica, kaolin clay, and phosphate, wherein the zeolites having pore size in the range of 5.4-7.7 ? is present in an amount of 1 to 10 wt % with respect to the total amount of the pentasil zeolite and zeolite having the pore size in the range of 5.4-7.7 ?.
    Type: Application
    Filed: August 15, 2016
    Publication date: May 25, 2017
    Inventors: Mahesh KADGAONKAR, Biswanath SARKAR, Alex Cheru PULIKOTTIL, Velusamy CHIDAMBARAM, Arumugam Velayutham KARTHIKEY ANI, Mohan Prabhu KUVETTU, Shiba Prasad CHOUDHURY, Jayaraj CHRISTOPHER, Brijesh KUMAR, Biswapriya DAS