Patents by Inventor Rajiv Ratna Singh

Rajiv Ratna Singh 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).

  • Publication number: 20240150267
    Abstract: The present disclosure provides a process for producing trifluoroiodomethane, the process comprising providing a reactant stream comprising hydrogen iodide and at least one trifluoroacetyl halide selected from the group consisting of trifluoroacetyl chloride, trifluoroacetyl fluoride, trifluoroacetyl bromide, and combinations thereof, reacting the reactant stream in the presence of a first catalyst at a first reaction temperature from about 25° C. to about 400° C. to produce an intermediate product stream comprising trifluoroacetyl iodide, and reacting the intermediate product stream in the presence of a second catalyst at a second reaction temperature from about 200° C. to about 600° C. to produce a final product stream comprising the trifluoroiodomethane.
    Type: Application
    Filed: December 8, 2023
    Publication date: May 9, 2024
    Inventors: Haridasan K. Nair, Glenn Matthies, Rajiv Ratna Singh, Terris Yang, Haiyou Wang, Ryan J. Hulse, Rajiv Banavali
  • Patent number: 11884607
    Abstract: The present disclosure provides a process for producing trifluoroiodomethane, the process comprising providing a reactant stream comprising hydrogen iodide and at least one trifluoroacetyl halide selected from the group consisting of trifluoroacetyl chloride, trifluoroacetyl fluoride, trifluoroacetyl bromide, and combinations thereof, reacting the reactant stream in the presence of a first catalyst at a first reaction temperature from about 25° C. to about 400° C. to produce an intermediate product stream comprising trifluoroacetyl iodide, and reacting the intermediate product stream in the presence of a second catalyst at a second reaction temperature from about 200° C. to about 600° C. to produce a final product stream comprising the trifluoroiodomethane.
    Type: Grant
    Filed: August 17, 2022
    Date of Patent: January 30, 2024
    Assignee: Honeywell International Inc.
    Inventors: Haridasan K. Nair, Glenn Matthies, Rajiv Ratna Singh, Terris Yang, Haiyou Wang, Ryan J. Hulse, Rajiv Banavali
  • Patent number: 11667806
    Abstract: Methods of reducing the release of volatile organic compounds (VOCs) into the Earth's atmosphere during coating operations are provided, as well as a coating composition comprising a carrier and one or more fluorocopolymers. The carrier comprises VOC compounds and the one or more fluorocopolymers is produced by copolymerization of (1) a first monomer selected from the group consisting of hydrofluoroalkenes, (2) a second monomer comprising vinyl ester(s), and (3) a third monomer comprising vinyl ether(s), wherein at least a portion of the vinyl ether monomer is a hydroxyl group-containing vinyl ether, and wherein the one or more fluorocopolymers comprise at least about 70% by weight of the coating composition and the VOC portion of the carrier is not greater than about 30% by weight of the coating composition.
    Type: Grant
    Filed: September 6, 2021
    Date of Patent: June 6, 2023
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Wanchao Jiang, Rajiv Ratna Singh, Gang Xu, Siyuan Zhang, Yun Lin
  • Patent number: 11555136
    Abstract: The present disclosure provides azeotrope or azeotrope-like compositions including trifluoroiodomethane (CF3I) and trifluoroacetyl chloride (CF3COCl), and a method of forming an azeotrope or azeotrope-like composition comprising the step of combining trifluoroacetyl chloride (CF3COCl) and trifluoroiodomethane (CF3I) to form an azeotrope or azeotrope-like composition.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: January 17, 2023
    Assignee: Honeywell International Inc.
    Inventors: Hang T. Pham, Ryan J. Hulse, Rajiv Ratna Singh, Haridasan K. Nair
  • Publication number: 20220396536
    Abstract: The present disclosure provides a process for producing trifluoroiodomethane, the process comprising providing a reactant stream comprising hydrogen iodide and at least one trifluoroacetyl halide selected from the group consisting of trifluoroacetyl chloride, trifluoroacetyl fluoride, trifluoroacetyl bromide, and combinations thereof, reacting the reactant stream in the presence of a first catalyst at a first reaction temperature from about 25° C. to about 400° C. to produce an intermediate product stream comprising trifluoroacetyl iodide, and reacting the intermediate product stream in the presence of a second catalyst at a second reaction temperature from about 200° C. to about 600° C. to produce a final product stream comprising the trifluoroiodomethane.
    Type: Application
    Filed: August 17, 2022
    Publication date: December 15, 2022
    Inventors: Haridasan K. Nair, Glenn Matthies, Rajiv Ratna Singh, Terris Yang, Haiyou Wang, Ryan J. Hulse, Rajiv Banavali
  • Publication number: 20220363968
    Abstract: Heterogenous azeotrope or azeotrope-like compositions comprising 3,3,3-trifluoropropyne (TFPY) and hydrogen fluoride (HF) which may include from about 71.5 wt. % to about 98.8 wt. % 3,3,3-trifluoropropyne (TFPY) and from about 1.2 wt. % to about 28.5 wt. % hydrogen fluoride and have a boiling point between about ?10.0° C. and about 25.0° C. at a pressure of between about 61 psia and about 171 psia. The azeotrope or azeotrope-like compositions may be used to separate 3,3,3-trifluoropropyne (TFPY) as an impurity from compositions of 2-chloro-3,3,3-trifluoropropene (1233xf), 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb), or 2,3,3,3-tetrafluoropropene (HFO-1234yf).
    Type: Application
    Filed: November 5, 2020
    Publication date: November 17, 2022
    Inventors: Haiyou Wang, Hang T. Pham, Hsueh Sung Tung, Rajiv Ratna Singh
  • Patent number: 11459284
    Abstract: The present disclosure provides a process for producing trifluoroiodomethane, the process comprising providing a reactant stream comprising hydrogen iodide and at least one trifluoroacetyl halide selected from the group consisting of trifluoroacetyl chloride, trifluoroacetyl fluoride, trifluoroacetyl bromide, and combinations thereof, reacting the reactant stream in the presence of a first catalyst at a first reaction temperature from about 25° C. to about 400° C. to produce an intermediate product stream comprising trifluoroacetyl iodide, and reacting the intermediate product stream in the presence of a second catalyst at a second reaction temperature from about 200° C. to about 600° C. to produce a final product stream comprising the trifluoroiodomethane.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: October 4, 2022
    Assignee: Honeywell International Inc.
    Inventors: Haridasan K. Nair, Glenn Matthies, Rajiv Ratna Singh, Terris Yang, Haiyou Wang, Ryan J. Hulse, Rajiv Banavali
  • Publication number: 20220219979
    Abstract: A method of removing water from a mixture of hydrogen iodide (HI) and water includes providing a mixture comprising hydrogen iodide and water and contacting the mixture with an adsorbent to selectively adsorb water from the mixture, contacting the mixture with a weak acid to absorb water from the mixture and/or separating the water from hydrogen iodide (HI) by azeotropic distillation to produce anhydrous hydrogen iodide (HI).
    Type: Application
    Filed: January 10, 2022
    Publication date: July 14, 2022
    Inventors: Yuon Chiu, Haiyou Wang, Haluk Kopkalli, Christian Jungong, Haridasan K. Nair, Rajiv Ratna Singh, Daniel C. Merkel, Tao Wang, Terris Yang, Richard Wilcox
  • Publication number: 20220219981
    Abstract: A method of removing water from a mixture of iodine (I2) and water includes providing a mixture comprising iodine and water and: contacting the mixture with an adsorbent to selectively adsorb water from the mixture, contacting the mixture with a concentrated acid to absorb water from the mixture, separating the water from mixture by distillation, contacting the mixture with a gas that is inert to iodine (I2), contacting the mixture with hydrogen iodide (HI), or combinations thereof.
    Type: Application
    Filed: January 10, 2022
    Publication date: July 14, 2022
    Inventors: Yuon Chiu, Haiyou Wang, Haluk Kopkalli, Christian Jungong, Haridasan K. Nair, Rajiv Ratna Singh, Daniel C. Merkel, Tao Wang, Terris Yang, Richard Wilcox
  • Publication number: 20220195277
    Abstract: Compositions comprising multi-fluorinated olefins and HFC-32 are disclosed. Such compositions are useful particularly for in stationary refrigeration and air conditioning equipment.
    Type: Application
    Filed: March 10, 2022
    Publication date: June 23, 2022
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: RYAN HULSE, RAJIV RATNA SINGH, JUSTIN BECKER, ROBERT GERARD RICHARD, RAJAT S. BASU, HANG T. PHAM, IAN SHANKLAND
  • Publication number: 20220177759
    Abstract: The present invention provides a composition comprising 2,3,3,3-tetrafluoropropene and ?-terpinene particularly useful in automotive air conditioning systems and devices, commercial refrigeration systems and devices, chillers, residential refrigerator and freezers, general air conditioning systems, heat pumps, and the like.
    Type: Application
    Filed: December 14, 2021
    Publication date: June 9, 2022
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: David Nalewajek, Rajiv Ratna Singh, Rajiv Banavali, Gregory Laurence Smith
  • Patent number: 11306235
    Abstract: Compositions comprising multi-fluorinated olefins and HFC-32 are disclosed. Such compositions are useful particularly for in stationary refrigeration and air conditioning equipment.
    Type: Grant
    Filed: October 7, 2020
    Date of Patent: April 19, 2022
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Ryan Hulse, Rajiv Ratna Singh, Justin Becker, Robert Gerard Richard, Rajat S. Basu, Hang T. Pham, Ian Shankland
  • Publication number: 20220073803
    Abstract: The present disclosure provides azeotrope or azeotrope-like compositions including trifluoroiodomethane (CF3I) and trifluoroacetyl chloride (CF3COCl), and a method of forming an azeotrope or azeotrope-like composition comprising the step of combining trifluoroacetyl chloride (CF3COCl) and trifluoroiodomethane (CF3I) to form an azeotrope or azeotrope-like composition.
    Type: Application
    Filed: November 19, 2021
    Publication date: March 10, 2022
    Inventors: Hang T. Pham, Ryan J. Hulse, Rajiv Ratna Singh, Haridasan K. Nair
  • Publication number: 20220041884
    Abstract: Methods of reducing the release of volatile organic compounds (VOCs) into the Earth's atmosphere during coating operations are provided, as well as a coating composition comprising a carrier and one or more fluorocopolymers. The carrier comprises VOC compounds and the one or more fluorocopolymers is produced by copolymerization of (1) a first monomer selected from the group consisting of hydrofluoroalkenes, (2) a second monomer comprising vinyl ester(s), and (3) a third monomer comprising vinyl ether(s), wherein at least a portion of the vinyl ether monomer is a hydroxyl group-containing vinyl ether, and wherein the one or more fluorocopolymers comprise at least about 70% by weight of the coating composition and the VOC portion of the carrier is not greater than about 30% by weight of the coating composition.
    Type: Application
    Filed: September 6, 2021
    Publication date: February 10, 2022
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: WANCHAO JIANG, RAJIV RATNA SINGH, GANG XU, SIYUAN ZHANG, YUN LIN
  • Publication number: 20220032101
    Abstract: Disclosed are fire extinguishants comprising from about 20% to about 80% by weight of 1-chloro-3,3,3-trifluoropropene (HFO-1233zd) and from about 20% to about 80% by weight of 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone (FK5-1-12), and to methods, systems and containers which use the fire extinguishants.
    Type: Application
    Filed: August 9, 2021
    Publication date: February 3, 2022
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Robert Gerard RICHARD, Rajiv Ratna SINGH, Ryan HULSE
  • Patent number: 11230655
    Abstract: The present invention provides a composition comprising 2,3,3,3-tetrafluoropropene and ?-terpinene particularly useful in automotive air conditioning systems and devices, commercial refrigeration systems and devices, chillers, residential refrigerator and freezers, general air conditioning systems, heat pumps, and the like.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: January 25, 2022
    Assignee: HONEYWELL INTERNATIONAL INC
    Inventors: David Nalewajek, Rajiv Ratna Singh, Rajiv Banavali, Gregory Laurence Smith
  • Patent number: 11214720
    Abstract: Compositions comprising multi-fluorinated olefins and HFC-32 are disclosed. Such compositions are useful particularly for in stationary refrigeration and air conditioning equipment.
    Type: Grant
    Filed: May 7, 2020
    Date of Patent: January 4, 2022
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Ryan Hulse, Rajiv Ratna Singh, Justin Becker, Robert Gerard Richard, Rajat S. Basu, Hang T. Pham, Ian Shankland
  • Patent number: 11208582
    Abstract: The present disclosure provides azeotrope or azeotrope-like compositions including trifluoroiodomethane (CF3I) and trifluoroacetyl chloride (CF3COCl), and a method of forming an azeotrope or azeotrope-like composition comprising the step of combining trifluoroacetyl chloride (CF3COCl) and trifluoroiodomethane (CF3I) to form an azeotrope or azeotrope-like composition.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: December 28, 2021
    Assignee: Honeywell International Inc.
    Inventors: Hang T. Pham, Ryan J. Hulse, Rajiv Ratna Singh, Haridasan K. Nair
  • Patent number: 11111405
    Abstract: Methods of reducing the release of volatile organic compounds (VOCs) into the Earth's atmosphere during coating operations are provided, as well as a coating composition comprising a carrier and one or more fluorocopolymers. The carrier comprises VOC compounds and the one or more fluorocopolymers is produced by copolymerization of (1) a first monomer selected from the group consisting of hydrofluoroalkenes, (2) a second monomer comprising vinyl ester(s), and (3) a third monomer comprising vinyl ether(s), wherein at least a portion of the vinyl ether monomer is a hydroxyl group-containing vinyl ether, and wherein the one or more fluorocopolymers comprise at least about 70% by weight of the coating composition and the VOC portion of the carrier is not greater than about 30% by weight of the coating composition.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: September 7, 2021
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Wanchao Jiang, Rajiv Ratna Singh, Gang Xu, Siyuan Zhang, Yun Lin
  • Patent number: 11083921
    Abstract: Disclosed are fire extinguishants comprising from about 20% to about 80% by weight of 1-chloro-3,3,3-trifluoropropene (HFO-1233zd) and from about 20% to about 80% by weight of 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone (FK5-1-12), and to methods, systems and containers which use the fire extinguishants.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: August 10, 2021
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Robert Gerard Richard, Rajiv Ratna Singh, Ryan Hulse