Patents Assigned to Hindustan Petroleum Corporation Limited
-
Publication number: 20240101501Abstract: The present disclosure relates to a process for the preparation of ethyl tert-butyl ether comprising: (a) reacting ethanol with a mixture of C4 hydrocarbon feed in the presence of a catalyst to obtain a mixture; and (b) contacting the mixture with an entrainer at a temperature in the range of 40-70° C. and a pressure in the range of 15-30 bars to obtain ethyl tert-butyl ether, wherein, the mixture of C4 hydrocarbon feed comprises isobutylene, and the ethanol to isobutylene mole ratio is in the range of 1:1 to 2:1. The present disclosure also discloses a process of separating ethanol and ethyl tert-butyl ether. Further, the present disclosure discloses a composition comprising ethyl tert-butyl ether with a purity in the range of 91%-93%.Type: ApplicationFiled: March 17, 2021Publication date: March 28, 2024Applicant: HINDUSTAN PETROLEUM CORPORATION LIMITEDInventors: Santhoshkumar Reddy SANDIRI, Bennet CHELLIAHN, Valavarasu GNANASEKARAN, Ramachandra Rao BOJJA
-
Patent number: 11905604Abstract: The present disclosure relates to a corrosion inhibitor formulation comprising: a) at least one quaternary ammonium salt; b) at least one fatty acid methyl ester; c) at least one viscosity reducing agent; and d) at least one solubilizing agent, wherein the at least one quaternary ammonium salt to the at least one fatty acid methyl ester weight ratio is in the range of 1:0.2-1:5.0. The instant disclosure further relates to the process of preparation of the corrosion inhibitor formulation.Type: GrantFiled: October 23, 2018Date of Patent: February 20, 2024Assignee: Hindustan Petroleum Corporation LimitedInventors: Raghava Krishna Kanala, Naresh Kottari, Venkateswarlu Cheerladinne, Srinivasa Rao Ganagalla, Ramkumar Mangala, Bojja Ramachandrarao, Venkat Chalapathi Rao Peddy, Venkateswarlu Choudary Nettem, Sriganesh Gandham
-
Patent number: 11896970Abstract: Bubble column reactor assembly (100) is provided, the assembly comprising: a reactor vessel (104) comprising a bottom end and a top end; a pre-distributor plate (150) disposed above the bottom end of the reactor vessel (104) to distribute gas in a liquid, the plate comprising a bottom surface facing the bottom end of the reactor vessel (104) and a top surface opposite to the bottom surface. The pre-distributor plate (150) comprises a plurality of perforations (206), each perforation (206) comprising: a duct (170) projecting from the bottom surface of the pre-distributor plate; and a cap (180) enclosing the duct (170) and the perforation (206). The cap (180) comprises a plurality of openings (210). A gas distributor (110) is disposed below the pre-distributor plate (150) to receive gas and inject gas into the liquid prior to distribution of gas and the liquid by the pre-distributor plate (150).Type: GrantFiled: February 12, 2021Date of Patent: February 13, 2024Assignee: Hindustan Petroleum Corporation LimitedInventors: Kanuparthy Naga Raja, Ramachandra Rao Bojja, Bhavesh Sharma
-
Patent number: 11891577Abstract: The present disclosure is an FCC additive composition comprising an acidity enhanced modified clay; an acidity enhanced modified alumina; a binder; a phosphorous oxide and a boron oxide, as well as a process for preparing the FCC additive composition. The FCC additive as disclosed is capable of cracking bottoms comprising large hydrocarbon molecules/heavy fuel oils, it enhances bottoms conversion and reduces formation of dry gas.Type: GrantFiled: May 20, 2020Date of Patent: February 6, 2024Assignee: HINDUSTAN PETROLEUM CORPORATION LIMITEDInventors: Narasimharao Kanna, Somanath Kukade, Pramod Kumar, Ramachandrarao Bojja
-
Publication number: 20240018171Abstract: The present disclosure pertains to the technical field of a catalyst. The present disclosure relates to a complexing agent for preparing titanium complexes for alpha olefin polymerization. In particular, the present disclosure provides titanium complexes for alpha olefin polymerization and methods of preparation thereof.Type: ApplicationFiled: July 14, 2023Publication date: January 18, 2024Applicant: Hindustan Petroleum Corporation LimitedInventors: Nilesh Rajesh Mote, Monikangkana Talukdar, Yogesh Popatrao Patil, Bennet Chelliahn, Ramachandrarao Bojja
-
Publication number: 20230347329Abstract: The present disclosure provides a process for preparing a reforming catalyst, said process comprising: (a) impregnating at least one support with at least one promoter metal and at least one active metallic component to obtain a second catalytic precursor; (b) contacting the second catalytic precursor with at least one non-metallic component to obtain a third catalytic precursor; (c) coating the third catalytic precursor with at least one silanizing agent to obtain a coated third catalytic precursor; and (d) drying the coated third catalytic precursor to obtain a dried third catalytic precursor followed by calcination of the dried third catalytic precursor to obtain the reforming catalyst. The present disclosure also provides a reforming catalyst and the process for catalytically reforming a hydrocarbon feed stream by using the reforming catalyst.Type: ApplicationFiled: July 23, 2020Publication date: November 2, 2023Applicant: HINDUSTAN PETROLEUM CORPORATION LIMITEDInventors: Kotni SANTHOSH, Sandiri Santhoshkumar REDDY, Bennet CHELLIAHN, Bojja RAMACHANDRARAO, Valavarasu GNANASEKARAN
-
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
-
Patent number: 11541382Abstract: The instant disclosure provides a process for synthesis of compound of Formula: Xa-Mz+-Yb, wherein Mz+ is a transition metal ion and X and Y are carboxylate anions. The catalysts are hydrocarbon soluble and the process for their preparation, as disclosed herein, constitutes an elegant method for the preparation of such catalysts.Type: GrantFiled: November 7, 2017Date of Patent: January 3, 2023Assignee: Hindustan Petroleum Corporation LimitedInventors: Naresh Kottari, Kanuparthy Naga Raja, Siva Kesava Raju Chintalapati, Satyanarayana Murty Pudi, Bhavesh Sharma, Ramkumar Mangala, Peddy Venkata Chalapathi Rao, Nettam Venkateswarlu Choudary, Sriganesh Gandham
-
Patent number: 11525098Abstract: The present disclosure describes an additive composition comprising: (a) an organometallic compound; (b) a nitrogen-containing compound; (c) an aryl peroxide; and (d) at least one solvent, wherein the organometallic compound to the nitrogen-containing compound to the aryl peroxide weight ratio is in a range of 7:0.5:0.5-9:1.5:1.5. The addition of additive composition not only synergistically improves the properties of the at least one fuel, such as, LPG for use as torch gas for cutting and welding application, but also reduces the consumption of both fuel and oxygen for cutting applications. The present disclosure is also directed towards a process for preparation of the fuel composition.Type: GrantFiled: March 26, 2020Date of Patent: December 13, 2022Assignee: Hindustan Petroleum Corporation LimitedInventors: Krishnamurthy Narayanan, Sandip Bhowmik, Ramkumar Mangala, Ramachandrarao Bojja, Sriganesh Gandham
-
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
-
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 -
Patent number: 11434443Abstract: The present disclosure discloses a water-hydrocarbon fuel emulsion comprising: a) 87-99% by weight of at least one hydrocarbon fuel with respect to the emulsion; b) 0.1-10% by weight of water with respect to the emulsion; c) 1-3% by weight of an emulsifying blend with respect to the emulsion; and d) 0.05-1% by weight of at least one inorganic hydride with respect to the emulsion, wherein the emulsifying blend comprises i) at least one oil-soluble nonionic surfactant; ii) at least one water-soluble nonionic surfactant; and iii) at least one ionic surfactant. The present disclosure also reveals a convenient preparation process of the water-hydrocarbon fuel emulsion.Type: GrantFiled: March 22, 2021Date of Patent: September 6, 2022Assignee: HINDUSTAN PETROLEUM CORPORATION LIMITEDInventors: Sandip Bhowmik, Raghava Krishna Kanala, Ravi Balasubramaniam
-
Publication number: 20220112431Abstract: The present disclosure relates to an FCC additive composition for bottoms cracking. The FCC additive composition comprises an acidity enhanced modified clay; an acidity enhanced modified alumina; a binder; a phosphorous oxide and a boron oxide. The present disclosure further relates to a process for the preparation of the FCC additive composition. The FCC additive of the present disclosure is capable of cracking bottoms comprising large hydrocarbon molecules/heavy fuel oils. The FCC additive composition of the present disclosure enhances bottoms conversion and reduces formation of dry gas.Type: ApplicationFiled: May 20, 2020Publication date: April 14, 2022Applicant: HINDUSTAN PETROLEUM CORPORATION LIMITEDInventors: Narasimharao KANNA, Somanath KUKADE, Pramod KUMAR, Ramachandrarao BOJJA
-
Patent number: 11060043Abstract: The present disclosure relates to a formulation of diesel additive comprising 2-ethylhexanoic acid, at least one alkylene glycol and at least one alkanolamine which at specific weight ratios, is able to enhance the lubricity of a fuel. Also provided are the methods of preparation and usage of the same. It further relates to the fuel composition comprising the fuel, and the formulation of present disclosure, and the method of preparing the fuel composition.Type: GrantFiled: May 4, 2018Date of Patent: July 13, 2021Assignee: Hindustan Petroleum Corporation LimitedInventors: Sandip Bhowmik, Chintalapati Siva Kesava Raju, Raghava Krishna Kanala, Ganagalla Srinivasa Rao, Ramkumar Mangala, Peddy Venkata Chalapathi Rao, Nettam Venkateswarlu Choudary, Gandham Sriganesh
-
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
-
Patent number: 10967351Abstract: A fluid catalytic cracking unit (FCCU) for production of petrochemical feedstock fractions comprises a first reactor to receive a stream of desalinated crude oil and produce a first cracked product stream; a second reactor to receive a stream of light cracked naphtha (LCN) and produce a second cracked product stream; a third reactor to receive a bottom stream and produce a third cracked product stream; and a fractionating column and gas concentration section to separate components of the first cracked product stream, the second cracked product stream, and the third cracked product stream to produce, upon further fractionation, Ethylene, Propylene, Butylene, Benzene, Toluene and Xylene as the petrochemical feedstock fractions.Type: GrantFiled: May 28, 2018Date of Patent: April 6, 2021Assignee: Hindustan Petroleum Corporation LimitedInventors: Pramod Kumar, Hrishikesh Shriram Shidhaye, Peddy Vendata Chalapathi Rao, Sri Ganesh Gandham
-
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
-
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
-
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
-
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