Patents by Inventor Nettem Venkateswarlu Choudary
Nettem Venkateswarlu Choudary 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: 11634623Abstract: The present disclosure provides a bis-quaternary ammonium salt of Formula I wherein A is selected from O, NH, S, C(O), C(NH) or C(S); R1 and R2 are independently selected from C1-3 alkyl or H; R3 is C1-16 alkyl, C13-20 aralkyl or C2-16 allyl; X? is selected from chloro, bromo, iodo, hydroxide, nitrate or sulphate; and n and m are independently 1 to 6. Furthermore, a corrosion inhibition formulation comprising said bis-quaternary ammonium salt is revealed. Also, convenient processes for the preparation of the salt of Formula I and the formulation are provided.Type: GrantFiled: August 8, 2019Date of Patent: April 25, 2023Assignee: Hindustan Petroleum Corporation LimitedInventors: Raghava Krishna Kanala, Naresh Kottari, Srinivasa Rao Ganagalla, Ramkumar Mangala, Ramachandrarao Bojja, Peddy Venkat Chalapathi Rao, Nettem Venkateswarlu Choudary, Gandham Sriganesh
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Patent number: 11478782Abstract: A catalyst is provided having: (a) at least one multimetallic salt; and (b) at least one organic acid, wherein the at least one multimetallic salt to the at least one organic acid weight ratio is in the range of 1:0.01-1:0.5. A process is also provided for the preparation of the catalyst and for the preparation of the multimetallic salt.Type: GrantFiled: July 27, 2018Date of Patent: October 25, 2022Assignee: Hindustan Petroleum Corporation LimitedInventors: Naresh Kottari, Kanuparthy Naga Raja, Siva Kesava Raju Chintalapati, Satyanarayana Murty Pudi, Bhavesh Sharma, Ramkumar Mangala, Peddy Venkat Chalapathi Rao, Nettem Venkateswarlu Choudary, Gandham Sriganesh
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Process for separating a hydrophibic material from a mixture of hydrophobic and hydrophilic material
Patent number: 11471791Abstract: A process is provided for separating hydrophobic material from a mixture of hydrophobic and hydrophilic material using peptide-based amphiphilic organogelators.Type: GrantFiled: November 8, 2016Date of Patent: October 18, 2022Assignee: Hindustan Petroleum Corporation LimitedInventors: Raman Ravishankar, Chinthalapati Sivakesava Raju, Jitalaxmi Bharali, Sheshachala Srinivasa Narasimha, Peddy Venkat Chalapathi Rao, Nettem Venkateswarlu Choudary -
Publication number: 20210163812Abstract: The present disclosure provides a bis-quaternary ammonium salt of Formula I wherein A is selected from O, NH, S, C(O), C(NH) or C(S); R1 and R2 are independently selected from C1-3 alkyl or H; R3 is C1-16 alkyl, C13-20 aralkyl or C2-16 allyl; X? is selected from chloro, bromo, iodo, hydroxide, nitrate or sulphate; and n and m are independently 1 to 6. Furthermore, a corrosion inhibition formulation comprising said bis-quaternary ammonium salt is revealed. Also, convenient processes for the preparation of the salt of Formula I and the formulation are provided.Type: ApplicationFiled: August 8, 2019Publication date: June 3, 2021Inventors: Raghava Krishna Kanala, Naresh Kottari, Srinivasa Rao Ganagalla, Ramkumar Mangala, Ramachandrarao Bojja, Peddy Venkat Chalapathi Rao, Nettem Venkateswarlu Choudary, Gandham Sriganesh
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Patent number: 10988655Abstract: In accordance with the present subject matter there is provided a composition including at least one nanoparticle, at least one alkali metal salt and a metal salt having water of crystallization. The subject matter also relates to a method for preparation of the composition.Type: GrantFiled: June 17, 2016Date of Patent: April 27, 2021Assignee: HINDUSTAN PETROLEUM CORPORATION LTD.Inventors: Kandoth Madathil Pramod, Kanaparthi Ramesh, Peddy Venkat Chalapathi Rao, Nettem Venkateswarlu Choudary
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Patent number: 10988697Abstract: The present invention discloses a process by which the heavy hydrocarbons are subjected to hydroprocessing for producing distillates which can be further treated or converted downstream, to fuels and chemicals.Type: GrantFiled: September 29, 2017Date of Patent: April 27, 2021Assignee: Hindustan Petroleum Corporation LimitedInventors: Kanuparthy Naga Raja, Pudi Satyanarayana Murty, Bhavesh Sharma, Peddy Venkata Chalapathi Rao, Nettem Venkateswarlu Choudary, Sriganesh Gandham
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Patent number: 10954458Abstract: The present disclosure relates to a composition for removing scales and solid deposits. The composition comprises at least one dispersant salt, at least one hydrocarbon, and at least one ionic liquid.Type: GrantFiled: February 26, 2016Date of Patent: March 23, 2021Assignee: Hindustan Petroleum Corporation LimitedInventors: Kanuparthy Naga Raja, Venkateswarlu Cheerladinne, Peddy Venkata Chalapathi Rao, Nettem Venkateswarlu Choudary, Sriganesh Gandham
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Patent number: 10941360Abstract: The present disclosure relates to conversion of hydrocarbons. A hydrocarbon feed is hydroprocessed wherein it is hydrocracked in the presence of a catalyst to obtain different hydrocarbon products, which can be suitably processed further to obtain valuable hydrocarbon products.Type: GrantFiled: September 20, 2017Date of Patent: March 9, 2021Assignee: Hindustan Petroleum Corporation LimitedInventors: Kanuparthy Naga Raja, Pudi Satyanarayana Murty, Bhavesh Sharma, Peddy Ventaka Chalapathi Rao, Nettem Venkateswarlu Choudary, Sriganesh Gandham
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Patent number: 10913907Abstract: The present disclosure relates to a process for hydro-processing of hydrocarbons to maximize the yield of light distillates. The process comprises hydrocracking hydrocarbons and separating to respective products based on the boiling points. The heavier vacuum residue is further hydrocracked to light distillates.Type: GrantFiled: September 20, 2017Date of Patent: February 9, 2021Assignee: Hindustan Petroleum Corporation LimitedInventors: Kanuparthy Naga Raja, Pudi Satyanarayana Murty, Bhavesh Sharma, Peddy Venkata Chalapathi Rao, Nettem Venkateswarlu Choudary, Sriganesh Gandham
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Patent number: 10907079Abstract: In accordance with the present subject matter there is provided a hygroscopic homogeneous salt mixture including at least one alkali metal salt and a metal salt having water of crystallization. The subject matter also relates to a method for preparation of hygroscopic homogeneous salt mixture.Type: GrantFiled: May 24, 2016Date of Patent: February 2, 2021Assignee: HINDUSTAN PETROLEUM CORPORATION LTD.Inventors: Kanaparthi Ramesh, Kandoth Madathil Pramod, Peddy Venkat Chalapathi Rao, Nettem Venkateswarlu Choudary
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Patent number: 10881984Abstract: The present disclosure relates to a composition for reducing aromatics from a hydrocarbon feedstock. The composition comprises a solvent mixture. The solvent mixture includes a primary solvent, a first co-solvent, a second co-solvent, and a secondary solvent. The present disclosure also relates to a process for reducing aromatics from a hydrocarbon feedstock.Type: GrantFiled: April 27, 2016Date of Patent: January 5, 2021Assignee: Hindustan Petroleum Corporation LimitedInventors: Srinivasa Rao Ganagalla, Valavarasu Gnanasekaran, Peddy Venkata Chalapathi Rao, Nettem Venkateswarlu Choudary
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Patent number: 10851318Abstract: The disclosure relates to an anti fouling composition including a metallic component comprising of at least one alkali metal salt and a non-metallic component and method for preparation of anti fouling composition. The disclosure also relates to a process of reducing fouling in reactors or furnaces using said composition.Type: GrantFiled: November 18, 2016Date of Patent: December 1, 2020Assignee: HINDUSTAN PETROLEUM CORPORATION LTDInventors: Kanaparthi Ramesh, Raman Ravishankar, Chinthalapati Siva Kesava Raju, Madala Sairamu, Priyanka Saha, Cheerladinne Venkateswarlu, Peddy Venkat Chalapathi Rao, Nettem Venkateswarlu Choudary
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Patent number: 10815432Abstract: The present disclosure relates to an additive and a catalyst composition for a catalytic cracking process of vacuum gas oil for preparing cracked run naphtha having reduced liquid olefin content, and increased propylene and butylene yields in the LPG fraction. The process makes use of a catalyst composition which is a mixture of an FCC equilibrated catalyst and an additive comprising a zeolite, phosphorus and a combination of metal promoters. The process is successful in achieving high propylene and butylene yields in the LPG fraction along with a lower liquid olefin content and increased aromatic content with increase in RON unit in the resultant cracked run naphtha, as compared to that achieved using an FCC equilibrated catalyst alone.Type: GrantFiled: June 1, 2016Date of Patent: October 27, 2020Assignee: Hindustan Petroleum Corporation LimitedInventors: Raman Ravishankar, Sunil Mehla, Somnath Kukade, Peddy Venkata Chalapathi Rao, Nettem Venkateswarlu Choudary
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Patent number: 10800978Abstract: The present disclosure relates to an additive and a catalyst composition for a catalytic cracking process of vacuum gas oil for preparing cracked run naphtha having reduced liquid olefin content, and increased propylene and butylene yields in the LPG fraction. The process makes use of a catalyst composition which is a mixture of an FCC equilibrated catalyst and an additive comprising a zeolite, phosphorus and a combination of metal promoters. The process is successful in achieving high propylene and butylene yields in the LPG fraction along with a lower liquid olefin content and increased aromatic content with increase in RON unit in the resultant cracked run naphtha, as compared to that achieved using an FCC equilibrated catalyst alone.Type: GrantFiled: June 1, 2016Date of Patent: October 13, 2020Assignee: Hindustan Petroleum Corporation LimitedInventors: Raman Ravishankar, Somnath Kukade, Peddy Venkata Chalapathi Rao, Nettem Venkateswarlu Choudary
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Patent number: 10786809Abstract: The present disclosure relates to an additive and a catalyst composition for a catalytic cracking process of vacuum gas oil for preparing cracked run naphtha having reduced liquid olefin content, and increased propylene and butylene yields in the LPG fraction. The process makes use of a catalyst composition which is a mixture of an FCC equilibrated catalyst and an additive comprising a zeolite, phosphorus and a combination of metal promoters. The process is successful in achieving high propylene and butylene yields in the LPG fraction along with a lower liquid olefin content and increased aromatic content with increase in RON unit in the resultant cracked run naphtha, as compared to that achieved using an FCC equilibrated catalyst alone.Type: GrantFiled: June 1, 2016Date of Patent: September 29, 2020Assignee: HINDUSTAN PETROLEUM CORPORATION LIMITEDInventors: Raman Ravishankar, Peddy Venkata Chalapathi Rao, Nettem Venkateswarlu Choudary
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Publication number: 20200248081Abstract: The present disclosure relates to a copolymer of Formula I. The copolymer exhibits excellent dewaxing ability for dewaxing of fuels. When used for dewaxing, the resultant dewaxed fuel is substantially free of wax, exhibits better pour point, cloud point, and kinematic viscosity. Moreover, the dewaxing proceeds with very good yields.Type: ApplicationFiled: June 26, 2018Publication date: August 6, 2020Inventors: Chintalapati Siva Kesava Raju, Ganagalla Srinivasa Rao, Kottari Naresh, Gnanasekaran Valavarasu, Peddy Venkata Chalapathi Rao, Nettem Venkateswarlu Choudary, Gandham Sriganesh, Annadanam Venkata Sesha Sainath, Kothapalli Venkata Suryanaray Raju, Tammishetti Shekharam
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Patent number: 10717940Abstract: The present disclosure relates to a catalyst for slurry phase hydrocracking of refinery residue and a process for its preparation. The present disclosure provides a very simple method for exfoliation of metal sulphide, and a process of that provides effective slurry phase hydrocracking of refinery residue with a high yield.Type: GrantFiled: June 17, 2016Date of Patent: July 21, 2020Assignee: Hindustan Petroleum Corporation LimitedInventors: Nettem Venkateswarlu Choudary, Kanuparthy Naga Raja, Raman Ravishankar, Bipul Sarkar, Valavarasu Gnanesekaran, Peddy Venkata Chalapathi Rao, Sriganesh Gandham
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Patent number: 10519387Abstract: Accordingly, the present invention provides a catalyst composition suitable for converting light naphtha comprising one or more of C5 to C8 carbon atoms to aromatic compounds ranging from C6 to C10 carbon atoms, said catalyst composition comprising: (a) a medium pore size zeolite; (b) 0.1 to 5.0 wt % of zinc; and (c) 0.1 to 5 wt % of gallium. Also, the present invention provides a process for converting light naphtha comprising one or more of C5 to C8 carbon atoms to aromatic compounds ranging from C6 to C10 carbon atoms, said process comprising the step of contacting a feedstock comprising the light naphtha with a catalyst composition comprising (a) a medium pore size zeolite; (b) 0.1 to 5.0 wt % of zinc; and (c) 0.1 to 5 wt % of gallium in presence of carrier gas at temperatures ranging from 400° to 600° C.Type: GrantFiled: August 25, 2014Date of Patent: December 31, 2019Assignee: HINDUSTAN PETROLEUM CORPORATION LTD.Inventors: Raman Ravishankar, Peddy Venkat Chalapathi Rao, Nettem Venkateswarlu Choudary, Ganapati V. Shanbhag, Hodala Lakshminarayan Janardhan, Anand B. Halgeri, Sriganesh Gandham
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Publication number: 20180346780Abstract: In accordance with the present subject matter there is provided a compound of Formula I wherein, R1 is substituted C1 to C10 alkyl; and R2 is substituted C1 to C10 alkyl, a process for preparing a compound of Formula I, and a gel comprising a compound of Formula I. There is also provided a process for separating a hydrophobic material from a mixture of hydrophobic and hydrophilic material using a compound of Formula I.Type: ApplicationFiled: November 29, 2016Publication date: December 6, 2018Inventors: Raman Ravishankar, Chinthalapati Sivakesava Raju, Bhaskar Pramanlk, Tanmoy Kar, Peddy Rao, Nettem Venkateswarlu Choudary
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Publication number: 20180327678Abstract: The disclosure relates to an anti fouling composition including a metallic component comprising of at least one alkali metal salt and a non-metallic component and method for preparation of anti fouling composition. The disclosure also relates to a process of reducing fouling in reactors or furnaces using said composition.Type: ApplicationFiled: November 18, 2016Publication date: November 15, 2018Inventors: Kanaparthi Ramesh, Raman Ravishankar, Chinthalapati Siva Kesava Raju, Madala Sairamu, Priyanka Saha, Cheerladinne Venkateswarlu, Peddy Venkat Chalapathi Rao, Nettem Venkateswarlu Choudary