Patents by Inventor Velliyur Nott Mallikarjuna Rao
Velliyur Nott Mallikarjuna Rao 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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Publication number: 20240076536Abstract: A process is disclosed for making CF3CF?CHF. The process involves reacting CF3CClFCCl2F with H2 in a reaction zone in the presence of a catalyst to produce a product mixture comprising CF3CF?CHF. The catalyst has a catalytically effective amount of palladium supported on a support selected from the group consisting of alumina, fluorided alumina, aluminum fluoride and mixtures thereof and the mole ratio of H2 to CF3CClFCCl2F fed to the reaction zone is between about 1:1 and about 5:1. Also disclosed are azeotropic compositions of CF3CClFCCl2F and HF and azeotropic composition of CF3CHFCH2F and HF.Type: ApplicationFiled: November 10, 2023Publication date: March 7, 2024Applicant: THE CHEMOURS COMPANY FC, LLCInventors: VELLIYUR NOTT MALLIKARJUNA RAO, MARIO JOSEPH NAPPA, ALLEN CAPRON SIEVERT
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Patent number: 11912923Abstract: A process is disclosed for making CF3CF?CHF. The process involves reacting CF3CClFCCl2F with H2 in a reaction zone in the presence of a catalyst to produce a product mixture comprising CF3CF?CHF. The catalyst has a catalytically effective amount of palladium supported on a support selected from the group consisting of alumina, fluorided alumina, aluminum fluoride and mixtures thereof and the mole ratio of H2 to CF3CClFCCl2F fed to the reaction zone is between about 1:1 and about 5:1. Also disclosed are azeotropic compositions of CF3CClFCCl2F and HF and azeotropic composition of CF3CHFCH2F and HF.Type: GrantFiled: June 6, 2023Date of Patent: February 27, 2024Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Velliyur Nott Mallikarjuna Rao, Mario Joseph Nappa, Allen Capron Sievert
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Publication number: 20230313012Abstract: A process is disclosed for making CF3CF?CHF. The process involves reacting CF3CClFCCl2F with H2 in a reaction zone in the presence of a catalyst to produce a product mixture comprising CF3CF?CHF. The catalyst has a catalytically effective amount of palladium supported on a support selected from the group consisting of alumina, fluorided alumina, aluminum fluoride and mixtures thereof and the mole ratio of H2 to CF3CClFCCl2F fed to the reaction zone is between about 1:1 and about 5:1. Also disclosed are azeotropic compositions of CF3CClFCCl2F and HF and azeotropic composition of CF3CHFCH2F and HF.Type: ApplicationFiled: June 6, 2023Publication date: October 5, 2023Applicant: THE CHEMOURS COMPANY FC, LLCInventors: VELLIYUR NOTT MALLIKARJUNA RAO, MARIO JOSEPH NAPPA, ALLEN CAPRON SIEVERT
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Publication number: 20230265330Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.Type: ApplicationFiled: May 1, 2023Publication date: August 24, 2023Applicant: THE CHEMOURS COMPANY FC, LLCInventors: BARBARA HAVILAND MINOR, Velliyur Nott Mallikarjuna Rao
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Patent number: 11708516Abstract: A process is disclosed for making CF3CF?CHF. The process involves reacting CF3CClFCCl2F with H2 in a reaction zone in the presence of a catalyst to produce a product mixture comprising CF3CF?CHF. The catalyst has a catalytically effective amount of palladium supported on a support selected from the group consisting of alumina, fluorided alumina, aluminum fluoride and mixtures thereof and the mole ratio of H2 to CF3CClFCCl2F fed to the reaction zone is between about 1:1 and about 5:1. Also disclosed are azeotropic compositions of CF3CClFCCl2F and HF and azeotropic composition of CF3CHFCH2F and HF.Type: GrantFiled: June 2, 2021Date of Patent: July 25, 2023Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Velliyur Nott Mallikarjuna Rao, Mario Joseph Nappa, Allen Capron Sievert
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Patent number: 11674067Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.Type: GrantFiled: May 24, 2021Date of Patent: June 13, 2023Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Barbara Haviland Minor, Velliyur Nott Mallikarjuna Rao
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Publication number: 20220389297Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.Type: ApplicationFiled: May 14, 2021Publication date: December 8, 2022Applicant: THE CHEMOURS COMPANY FC, LLCInventors: Barbara Haviland Minor, Velliyur Nott Mallikarjuna Rao
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Publication number: 20220389298Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.Type: ApplicationFiled: May 24, 2021Publication date: December 8, 2022Applicant: THE CHEMOURS COMPANY FC, LLCInventors: Barbara Haviland Minor, Velliyur Nott Mallikarjuna Rao
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Publication number: 20210292627Abstract: A process is disclosed for making CF3CF?CHF. The process involves reacting CF3CClFCCl2F with H2 in a reaction zone in the presence of a catalyst to produce a product mixture comprising CF3CF?CHF. The catalyst has a catalytically effective amount of palladium supported on a support selected from the group consisting of alumina, fluorided alumina, aluminum fluoride and mixtures thereof and the mole ratio of H2 to CF3CClFCCl2F fed to the reaction zone is between about 1:1 and about 5:1. Also disclosed are azeotropic compositions of CF3CClFCCl2F and HF and azeotropic composition of CF3CHFCH2F and HF.Type: ApplicationFiled: June 2, 2021Publication date: September 23, 2021Applicant: THE CHEMOURS COMPANY FC, LLCInventors: Velliyur Nott Mallikarjuna Rao, Mario Joseph Nappa, Allen Capron Sievert
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Patent number: 11053421Abstract: A process is disclosed for making CF3CF?CHF. The process involves reacting CF3CClFCCl2F with H2 in a reaction zone in the presence of a catalyst to produce a product mixture comprising CF3CF?CHF. The catalyst has a catalytically effective amount of palladium supported on a support selected from the group consisting of alumina, fluorided alumina, aluminum fluoride and mixtures thereof and the mole ratio of H2 to CF3CClFCCl2F fed to the reaction zone is between about 1:1 and about 5:1. Also disclosed are azeotropic compositions of CF3CClFCCl2F and HF and azeotropic composition of CF3CHFCH2F and HF.Type: GrantFiled: July 1, 2019Date of Patent: July 6, 2021Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Velliyur Nott Mallikarjuna Rao, Mario Joseph Nappa, Allen Capron Sievert
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Patent number: 11046875Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.Type: GrantFiled: October 30, 2019Date of Patent: June 29, 2021Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Barbara Haviland Minor, Velliyur Nott Mallikarjuna Rao
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Patent number: 11034872Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.Type: GrantFiled: October 30, 2019Date of Patent: June 15, 2021Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Barbara Haviland Minor, Velliyur Nott Mallikarjuna Rao
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Patent number: 10883030Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.Type: GrantFiled: April 29, 2019Date of Patent: January 5, 2021Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Barbara Haviland Minor, Velliyur Nott Mallikarjuna Rao
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Patent number: 10683443Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.Type: GrantFiled: May 31, 2018Date of Patent: June 16, 2020Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Barbara Haviland Minor, Velliyur Nott Mallikarjuna Rao
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Publication number: 20200172455Abstract: A process is disclosed for making CF3CF2CH3, CF3CF?CH2 and/or CF3CCl?CH2. The process involves reacting at least one starting material selected from the group consisting of halopropanes of the formula CX3CH2CH2X, halopropenes of the formula CX3CH?CH2 and halopropenes of the formula CX2?CHCH2X, wherein each X is independently F or Cl, with HF and Cl2 in a reaction zone to produce a product mixture comprising HF, HCl, CF3CF2CH3, CF3CF?CH2, and CF3CCl?CH2; and recovering the CF3CF2CH3, CF3CF?CH2 and/or CF3CCl?CH2 from the product mixture. Also disclosed is a process for making CF3CH2CHF2, CF3CH?CHF, and/or CF3CH?CHCl.Type: ApplicationFiled: February 4, 2020Publication date: June 4, 2020Applicant: THE CHEMOURS COMPANY FC, LLCInventors: Velliyur Nott Mallikarjuna Rao, Allen Capron Sievert
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Publication number: 20200087557Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.Type: ApplicationFiled: October 30, 2019Publication date: March 19, 2020Applicant: THE CHEMOURS COMPANY FC, LLCInventors: Barbara Haviland Minor, Velliyur Nott Mallikarjuna Rao
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Publication number: 20200087556Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.Type: ApplicationFiled: October 30, 2019Publication date: March 19, 2020Applicant: THE CHEMOURS COMPANY FC, LLCInventors: Barbara Haviland Minor, Velliyur Nott Mallikarjuna Rao
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Patent number: 10533120Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.Type: GrantFiled: December 12, 2017Date of Patent: January 14, 2020Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Barbara Haviland Minor, Velliyur Nott Mallikarjuna Rao
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Patent number: 10513645Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a fluoroolefin and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, aerosol propellants, and fire suppression and fire extinguishing agents.Type: GrantFiled: December 12, 2017Date of Patent: December 24, 2019Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Barbara Haviland Minor, Velliyur Nott Mallikarjuna Rao
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Patent number: RE49849Abstract: A process is disclosed for making CF3CF2CH3, CF3CF?CH2 and/or CF3CCl?CH2. The process involves reacting at least one starting material selected from the group consisting of halopropanes of the formula CX3CH2CH2X, halopropenes of the formula CX3CH?CH2 and halopropenes of the formula CX2?CHCH2X, wherein each X is independently F or Cl, with HF and Cl2 in a reaction zone to produce a product mixture comprising HF, HCl, CF3CF2CH3, CF3CF?CH2, and CF3CCl?CH2; and recovering the CF3CF2CH3, CF3CF?CH2 and/or CF3CCl?CH2 from the product mixture. Also disclosed is a process for making CF3CH2CHF2, CF3CH?CHF, and/or CF3CH?CHCl.Type: GrantFiled: November 25, 2014Date of Patent: February 27, 2024Assignee: THE CHEMOURS COMPANY FC, LLCInventors: Velliyur Nott Mallikarjuna Rao, Allen Capron Sievert