Patents by Inventor Ravinder Kumar Malhotra

Ravinder Kumar Malhotra 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: 9868903
    Abstract: The present invention relates to a liquid phase additive comprising an alkyl nitrate; a petroleum sulphonates; an aliphatic, aromatic, cyclohexylamines or hetroalkylated lower amines; a hindered phenol based compounds; a phosphate esters and an aliphatic alcohols for use in delayed coking process with decreased coke yield and increased yield of liquid and/or gaseous product and a process for preparing the liquid phase additive. The present invention also relates to a process for thermal cracking of petroleum residue producing petroleum coke and lighter hydrocarbon products by using liquid phase additive.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: January 16, 2018
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Satyen Kumar Das, Ponoly Ramachandran Pradeep, Terapalli Hari Venkata Devi Prasad, Jagdev Kumar Dixit, Gautam Thapa, Ram Mohan Thakur, Vinod Kumar Sharma, Debasis Bhattacharyya, Suresh Kumar Puri, Anurag Ateet Gupta, Brijesh Kumar, Biswapriya Das, Ravinder Kumar Malhotra
  • Patent number: 9862829
    Abstract: The present invention relates to a hybrid modified bitumen composition containing functionalized polymer, crumb rubber and a dual functional agent. The present invention also relates to a process of preparation of hybrid modified bitumen composition containing functionalized polymer, crumb rubber and a dual functional agent.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: January 9, 2018
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Veena Yadav, Rajender Singh Negi, Dhanesh Kumar, Naduhatty Selai Raman, Anurag Ateet Gupta, Biswapriya Das, Ravinder Kumar Malhotra
  • Publication number: 20170369349
    Abstract: The present invention relates to a bio-assisted method for treatment of spent caustic by treating with haloalkaliphilic consortium of bacteria capable of reducing or transforming sulphides, thiols, mercaptants and other sulphur containing compounds, phenols, hydrocarbons, naphthenic acids and their derivatives in spent caustic.
    Type: Application
    Filed: June 28, 2016
    Publication date: December 28, 2017
    Inventors: Manoj KUMAR, Mahendra Pratap SINGH, Dheer SINGH, Anurag Ateet GUPTA, Ravinder Kumar MALHOTRA
  • Patent number: 9840671
    Abstract: The present invention provides a delayed coking process comprising a step of subjecting a mixed feed comprises residual heavy hydrocarbon feedstock and bio oil obtained from fast pyrolysis of lignocellulosic biomass of one or more of Jatropha, Cashew nut, Karanjia and Neem to a delayed coking process and a system for the delayed coking process.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: December 12, 2017
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Ram Mohan Thakur, Ajay Kumar Arora, Terapalli Hari Venkata Devi Prasad, Pradeep Ponoly Ramachandran, Jagdev Kumar Dixit, Rajesh, Debasis Bhattacharyya, Suresh Kumar Puri, Brijesh Kumar, Santanam Rajagopal, Ravinder Kumar Malhotra
  • Patent number: 9758602
    Abstract: The present invention describes a process for preparing catalyst for the polymerization of ethylene consisting essentially of the steps of (i) contacting a magnesium based precursor with a solvent; and (ii) then contacting the magnesium based precursor in the solvent with a transition metal compound to obtain the catalyst, wherein step (ii) is single contact step. The present invention also relates to a process for preparation of a catalyst system and a process of polymerizing and/or copolymerizing of ethylene to obtain a polyethylene using the catalyst.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: September 12, 2017
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Gurmeet Singh, Naresh Kumar, Bhasker Bantu, Sukhdeep Kaur, Rashmi Rani, Mohasin Momin, Gurpreet Singh Kapur, Shashikant, Biswajit Basu, Ravinder Kumar Malhotra
  • Patent number: 9676876
    Abstract: The present invention provides a process for preparation of a solid titanium catalyst component for use as pro-catalyst for a Ziegler-Natta catalyst system. The solid titanium catalyst component comprises a combination of 15 to 20 wt % of a magnesium moiety, 1.0 to 6.0 wt % of a titanium moiety and 5.0 to 20 wt % of an internal donor, said solid titanium catalyst component has an average particle size in the range of 1 to 100 ?m, characterized by a three point particle size distribution of D10 in the range of 1 to 10 ?m; D50 in the range of to 25 ?m and D90 in the range of 15 to 50 ?m. The present invention also provides a 15 Ziegler-Natta catalyst system comprising the solid titanium catalyst component and the method of polymerizing and/or copolymerizing olefins by using the Ziegler-Natta catalyst system.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: June 13, 2017
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Gurmeet Singh, Naresh Kumar, Sukhdeep Kaur, Gurpreet Singh Kapur, Shashi Kant, Biswajit Basu, Ravinder Kumar Malhotra, Svein Nenseth, Jarmo Lindroos
  • Patent number: 9644050
    Abstract: The present invention describes a process for controlling particle size of a catalyst composition. The process comprising the steps of contacting an internal donor with an organomagnesium precursor solution to form an intermediate solution and treating the intermediate solution with a transition metal compound to form a catalyst composition, wherein particle size of the catalyst composition is controlled by controlling a contact time of the internal donor with the precursor solution during formation of the intermediate solution.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: May 9, 2017
    Assignee: Indian Oil Corporation Limited
    Inventors: Sukhdeep Kaur, Bhasker Bantu, Gurmeet Singh, Naresh Kumar, Shashikant, Gurpreet Singh Kapur, Biswajit Basu, Ravinder Kumar Malhotra
  • Patent number: 9637693
    Abstract: 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: Grant
    Filed: October 29, 2012
    Date of Patent: May 2, 2017
    Assignee: 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
  • Patent number: 9616408
    Abstract: The present invention provides an adsorbent for removal of con-carbon and contaminant metals in feed, said adsorbent composition consisting of clay in the range of 30-70 wt. % and silica in the range of 70-30 wt. %, wherein the adsorbent has a pore volume in the range of 0.25-0.45 cc/gm; a pore size in the range of 20 to 2000 ? and a bi-modal pore size distribution characteristics, with a maximum of about 32% of the adsorbent having a pore size in the range of 20-200 ? and a minimum of about 68% of the adsorbent having a pore size in the range of 200-2000 ?. The present invention also provides a process for preparing the said adsorbent.
    Type: Grant
    Filed: August 17, 2013
    Date of Patent: April 11, 2017
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Arumugam Velayutham Karthikeyani, Mohan Prabhu Kuvettu, Biswanath Sarkar, Gadari Saidulu, Shiba Prasad Choudhury, Sudhir Kumar Pande, Arvind Mahant, Brijesh Kumar, Santanam Rajagopal, Ravinder Kumar Malhotra, Velusamy Chidambaram
  • Publication number: 20170081440
    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: December 6, 2016
    Publication date: March 23, 2017
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Sukhdeep KAUR, Gurmeet SINGH, Bhasker BANTU, Naresh KUMAR, Gurpreet Singh KAPUR, Shashi KANT, Biswajit BASU, Ravinder Kumar MALHOTRA
  • Patent number: 9593172
    Abstract: A catalyst composition for use as precursor for Ziegler-Natta catalyst system, said catalyst composition comprising a combination of magnesium moiety, titanium moiety and an internal donor containing at least one 1,2-phenylenedioate compound of structure (A). Also, the present invention provides a process for preparing the aforesaid catalyst composition. Further, the present invention provides a Ziegler-Natta catalyst system incorporating the aforesaid catalyst composition and a method for polymerizing and/or copolymerizing olefins using the Ziegler-Natta catalyst system.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: March 14, 2017
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Bhasker Bantu, Gurmeet Singh, Sukhdeep Kaur, Naresh Kumar, Gurpreet Singh Kapur, Shashi Kant, Ravinder Kumar Malhotra
  • Patent number: 9587041
    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. The organomagnesium precursor is prepared as follows: At 0° C., magnesium in diethyl ether is reacted with the organohalide. After all magnesium has reacted, the calculated amount of alcohol was added and after the completion of addition, the ether was evaporated and a solid compound obtained.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: March 7, 2017
    Assignee: 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: 20160347880
    Abstract: A catalyst composition for use as precursor for Ziegler-Natta catalyst system, said catalyst composition comprising a combination of magnesium moiety, titanium moiety and an internal donor containing at least one 1,2-phenylenedioate compound of structure (A). Also, the present invention provides a process for preparing the aforesaid catalyst composition. Further, the present invention provides a Ziegler-Natta catalyst system incorporating the aforesaid catalyst composition and a method for polymerizing and/or copolymerizing olefins using the Ziegler-Natta catalyst system.
    Type: Application
    Filed: August 10, 2016
    Publication date: December 1, 2016
    Applicant: INDIAN OIL CORPORATION LIMITED
    Inventors: Bhasker BANTU, Gurmeet SINGH, Sukhdeep KAUR, Naresh KUMAR, Gurpreet Singh KAPUR, Shashi KANT, Ravinder Kumar MALHOTRA
  • Publication number: 20160347882
    Abstract: The present invention describes a process for preparing spherical particles of a catalyst composition, the process comprising contacting an organomagnesium precursor with a transition metal compound in presence of an internal donor to obtain a reaction mixture. Thereafter heating the reaction mixture from a first pre-determined temperature to a second pre-determined temperature and then heating the reaction mixture from second pre-determined temperature to a third pre-determined temperature to obtain spherical particles of the catalyst composition. The present invention also relates to a process for preparing of a spherical catalyst system from said spherical catalyst composition and preparing a spherical polyolefins having free flowing characteristics with bulk densities (BD) of at least about 0.4 g/cc from the spherical catalyst system.
    Type: Application
    Filed: November 5, 2015
    Publication date: December 1, 2016
    Inventors: Gurmeet SINGH, Sukhdeep KAUR, Bhasker BANTU, Naresh KUMAR, SHASHIKANT, Gurpreet Singh KAPUR, Biswajit BASU, Ravinder Kumar MALHOTRA
  • Publication number: 20160318764
    Abstract: The present invention is directed to a process for the simultaneous production of carbon nanotubes and product gas comprising hydrogen and lighter hydrocarbons, from a liquid hydrocarbon comprising feeding a liquid hydrocarbon in a reactor; and converting the liquid hydrocarbon with a catalyst for simultaneous production of the carbon nanotubes, hydrogen and lighter hydrocarbons, wherein the liquid hydrocarbon comprises petroleum crude oil, its products, or mixtures thereof.
    Type: Application
    Filed: December 29, 2014
    Publication date: November 3, 2016
    Inventors: Naduhatty Selai RAMAN, Palvannan MOHANASUNDARAM, Narayanam SESHUBABU, Jayaraj CHRISTOPHER, Brijesh KUMAR, Anurag Ateet GUPTA, Biswapriya DAS, Ravinder Kumar MALHOTRA
  • Publication number: 20160296888
    Abstract: The present invention relates to a process of conversion of waste streams of petroleum refinery into industrially useful products.
    Type: Application
    Filed: March 31, 2016
    Publication date: October 13, 2016
    Inventors: Manoj KUMAR, Mahendra Pratap SINGH, Jayaraj CHRISTOPHER, Anurag Ateet GUPTA, Ravinder Kumar MALHOTRA
  • Publication number: 20160281002
    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: Application
    Filed: January 6, 2014
    Publication date: September 29, 2016
    Applicant: 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: 20160263556
    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: Application
    Filed: January 6, 2014
    Publication date: September 15, 2016
    Inventors: Kuvettu Mohan PRABHU, Velusamy CHIDAMBARAM, Pankaj Kumar KASLIWAL, Alex Cheru PULIKOTTIL, Biswanath SARKAR, Brijesh KUMAR, Santanam RAJAGOPAL, Ravinder Kumar MALHOTRA
  • Patent number: 9441252
    Abstract: The present invention provides a cost effective biotechnological process for production of bio-fuels from isolated and characterized microalgae. The algal strains used in the present invention having higher biomass, higher lipid productivity, higher pH and temperature tolerance are selected from the group consisting of Chlorella vulgaris iOC-1, Chlorella vulgaris iOC-2, Chlorella kessleri, Botrococcus bruni, Dunaliella salina and Nannochloris oculat or a combination thereof having 95-100% similarity with 18s ribosomal nucleic acids nucleotide sequences (rDNA) given for Seq. ID I, Seq. ID 2, Seq. ID 3, Seq. ID 4, Seq. ID 5 and Seq. ID 6. The present process of bio-fuel production comprises the steps of producing lipid from green algae in bioreactors by various novel steps and extracting oil from dried algal cells and ultimately producing biodiesel by transesterification of the said extracted oil.
    Type: Grant
    Filed: October 11, 2012
    Date of Patent: September 13, 2016
    Assignee: INDIAN OIL CORPORATION LTD.
    Inventors: Mahendra Pratap Singh, Manoj Kumar, Dheer Singh, Deepak Kumar Tuli, Ravinder Kumar Malhotra
  • Publication number: 20160244537
    Abstract: The present invention describes a process for preparing catalyst for the polymerization of ethylene consisting essentially of the steps of (i) contacting a magnesium based precursor with a solvent; and (ii) then contacting the magnesium based precursor in the solvent with a transition metal compound to obtain the catalyst, wherein step (ii) is single contact step. The present invention also relates to a process for preparation of a catalyst system and a process of polymerizing and/or copolymerizing of ethylene to obtain a polyethylene using the catalyst.
    Type: Application
    Filed: February 23, 2016
    Publication date: August 25, 2016
    Inventors: Gurmeet SINGH, Naresh KUMAR, Bhasker BANTU, Sukhdeep KAUR, Rashmi RANI, Mohasin MOMIN, Gurpreet Singh KAPUR, Shashikant, Biswajit BASU, Ravinder Kumar MALHOTRA