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: 20210171423
    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: February 22, 2021
    Publication date: June 10, 2021
    Inventors: Haridasan K. Nair, Glenn Matthies, Rajiv Ratna Singh, Terris Yang, Haiyou Wang, Ryan J. Hulse, Rajiv Banavali
  • Patent number: 11021639
    Abstract: The present invention provides a composition comprising 2,3,3,3-tetrafluoropropene and ?-terpinene 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: June 1, 2021
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: David Nalewajek, Rajiv Ratna Singh, Rajiv Banavali, Gregory Laurence Smith
  • Patent number: 10954177
    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 23, 2019
    Date of Patent: March 23, 2021
    Assignee: Honeywell International Inc.
    Inventors: Haridasan K. Nair, Glenn Matthies, Rajiv Ratna Singh, Terris Yang, Haiyou Wang, Ryan J. Hulse, Rajiv Banavali
  • Patent number: 10934233
    Abstract: The present invention relates to a process for the preparation of haloethylenes, and preferably perhaloethylenes, by the gas-phase dechlorination of haloethanes in the presence of a catalyst and optionally in the presence of an alkene or an alkane. In particular aspects, the invention relates to a gas-phase process for preparing chlorotrifluoroethylene (CTFE). More particularly, the present invention relates to a gas-phase process for preparing CTFE from 1,1,2-trichloro-1,2,2-trifluoroethane (CFC-113) by dechlorination in the presence of an alkene or an alkane and a catalyst.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: March 2, 2021
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Haridasan K. Nair, Rajiv Ratna Singh, Glenn Matthies
  • Publication number: 20210052929
    Abstract: Disclosed are fire extinguishant which comprises HFO-1224yd and methods, systems and container using such fire extinguishant.
    Type: Application
    Filed: August 10, 2020
    Publication date: February 25, 2021
    Inventors: ROBERT GERARD RICHARD, RAJIV RATNA SINGH, RYAN HULSE
  • Publication number: 20210017434
    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: October 7, 2020
    Publication date: January 21, 2021
    Inventors: RYAN HULSE, RAJIV RATNA SINGH, JUSTIN BECKER, ROBERT GERARD RICHARD, RAJAT S. BASU, HANG T. PHAM, IAN SHANKLAND
  • Publication number: 20210013545
    Abstract: An electrolyte solution for a lithium-ion cell includes at least one organic carbonate solvent, at least one lithium salt including a non-coordinating anion and at least one polyfluorinated alkoxy olefin according to the general formula I, the general formula II, or the general formula III: I: RaRbC?CH—O—R, II: RaRbC?CH—O—CHRa?Rb?, III: RaRbC?CH—O—Rc—O—CH?CRa?Rb?, wherein Ra and Ra? are each independently a fluorinated alkyl group having 1 or 2 carbon atoms, Rb and Rb? are each independently F, Cl, Br or H, and R is CnHxFy, wherein n is an integer from 1 to 6, x and y are each independently integers from 0 to 13, and x+y=2n+1 or x+y=2n?1, and Rc is CkH(2k+1), wherein k is an integer from 2 to 4.
    Type: Application
    Filed: July 6, 2020
    Publication date: January 14, 2021
    Inventors: Hui Wang, Ya Qun Liu, Ying Han, Gang Xu, Jian Hou, Shuwen Peng, Rajiv Ratna Singh
  • Publication number: 20200369933
    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: May 14, 2020
    Publication date: November 26, 2020
    Inventors: Hang T. Pham, Ryan J. Hulse, Rajiv Ratna Singh, Haridasan K. Nair
  • Patent number: 10752716
    Abstract: Disclosed are copolymers and terpolymers chlorotrifluoroethylene and vinyl chloride having improved properties, and particularly a high glass transition temperature, for use in membranes, coatings, barrier films, and other applications and process for forming such copolymers and terpolymers, which are useful in reverse osmosis desalination, nanofiltration, ultrafiltration, microfiltration, membrane distillation, pervaporation, selective gas separation, batteries and fuel cells.
    Type: Grant
    Filed: May 12, 2018
    Date of Patent: August 25, 2020
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Changqing Lu, Pascal Bolomey, Rajiv Ratna Singh, Paul Todaro
  • Patent number: 10752565
    Abstract: The present disclosure provides a gas-phase process for producing trifluoroiodomethane, the process comprising providing a reactant stream comprising hydrogen iodide and trifluoroacetyl halide selected from the group consisting of trifluoroacetyl chloride, trifluoroacetyl fluoride, trifluoroacetyl bromide, and combinations thereof, and reacting the reactant stream in the presence of a catalyst at a temperature from about 200° C. to about 600° C. to produce a product stream comprising the trifluoroiodomethane.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: August 25, 2020
    Assignee: Honeywell International Inc.
    Inventors: Haridasan K. Nair, Rajiv Banavali, Rajiv Ratna Singh
  • Publication number: 20200263068
    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: May 7, 2020
    Publication date: August 20, 2020
    Inventors: RYAN HULSE, RAJIV RATNA SINGH, JUSTIN BECKER, ROBERT GERARD RICHARD, RAJAT S. BASU, HANG T. PHAM, IAN SHANKLAND
  • Publication number: 20200231774
    Abstract: A blowing agent composition includes a blowing agent and a nucleating agent. The nucleating agent includes 1,2,2-trifluoro-1-trifluoromethylcyclobutane. The 1,2,2-trifluoro-1-trifluoromethylcyclobutane is present in the blowing agent composition in an amount from about 0.5 wt. % to about 7 wt. % of the blowing agent composition.
    Type: Application
    Filed: December 19, 2019
    Publication date: July 23, 2020
    Inventors: Rajiv Ratna Singh, Ryan J. Hulse, Bin Yu
  • Patent number: 10696613
    Abstract: Disclosed are processes for the dechlorination of haloethanes comprising reacting in the gaseous phase a haloethane and reducing agent such as an alkene, an alkane, hydrogen or combinations of two or more of these, in the presence of a silicon-based catalyst.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: June 30, 2020
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Haridasan K. Nair, Rajiv Ratna Singh, Mark Makar
  • Publication number: 20200199501
    Abstract: The use of compositions comprising 1,2,2-trifluoro-1-trifluoromethyl cyclobutane (TFMCB) as a solvent are disclosed, wherein the TFMCB may be formulated into solvent compositions including a co-solvent such as ethanol or trans-dichloroethylene (trans-DCE). The solvent compositions may be in the form of a sprayable aerosol composition, and may be used for applications including degreasing or removal of coatings such as paints and adhesives.
    Type: Application
    Filed: December 19, 2019
    Publication date: June 25, 2020
    Inventors: Rajiv Ratna Singh, Ryan J. Hulse, Bin Yu
  • Publication number: 20200205318
    Abstract: A heat transfer fluid including 1-trifluoromethyl-1,2,2-trifluorocyclobutane (TFMCB) for high temperature heat transfer applications and environmental and safety requirements, which is non-flammable (and has no flash point below 100° F.), has low toxicity, an ODP of <0.01 and a GWP of 44, is dielectric and electrically stable.
    Type: Application
    Filed: December 19, 2019
    Publication date: June 25, 2020
    Inventors: Ryan J. Hulse, Robert J. Stewart, Rajiv Ratna Singh, Joshua Close
  • Publication number: 20200190380
    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 13, 2019
    Publication date: June 18, 2020
    Inventors: David Nalewajek, Rajiv Ratna Singh, Rajiv Banavali, Gregory Laurence Smith
  • Publication number: 20200190381
    Abstract: The present invention provides a composition comprising 2,3,3,3-tetrafluoropropene and ?-terpinene 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 13, 2019
    Publication date: June 18, 2020
    Inventors: David Nalewajek, Rajiv Ratna Singh, Rajiv Banavali, Gregory Laurence Smith
  • Patent number: 10676656
    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: February 21, 2019
    Date of Patent: June 9, 2020
    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: 20200147432
    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: October 8, 2019
    Publication date: May 14, 2020
    Inventors: Robert Gerard Richard, RAJIV RATNA SINGH, RYAN HULSE
  • Publication number: 20200062678
    Abstract: The present disclosure provides a gas-phase process for producing trifluoroiodomethane, the process comprising providing a reactant stream comprising hydrogen iodide and trifluoroacetyl halide selected from the group consisting of trifluoroacetyl chloride, trifluoroacetyl fluoride, trifluoroacetyl bromide, and combinations thereof, and reacting the reactant stream in the presence of a catalyst at a temperature from about 200° C. to about 600° C. to produce a product stream comprising the trifluoroiodomethane.
    Type: Application
    Filed: August 23, 2019
    Publication date: February 27, 2020
    Inventors: Haridasan K. Nair, Rajiv Banavali, Rajiv Ratna Singh