Patents by Inventor Donald Bernard Bivens

Donald Bernard Bivens 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: 20200354618
    Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene 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: Application
    Filed: July 29, 2020
    Publication date: November 12, 2020
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: BARBARA HAVILAND MINOR, THOMAS JOSEPH LECK, DONALD BERNARD BIVENS
  • Patent number: 10767092
    Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene 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: Grant
    Filed: January 3, 2019
    Date of Patent: September 8, 2020
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Barbara Haviland Minor, Thomas Joseph Leck, Donald Bernard Bivens
  • Publication number: 20190177590
    Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene 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: Application
    Filed: January 3, 2019
    Publication date: June 13, 2019
    Applicant: THE CHEMOURS COMPANY FC, LLC
    Inventors: BARBARA HAVILAND MINOR, THOMAS JOSEPH LECK, DONALD BERNARD BIVENS
  • Patent number: 10208236
    Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene 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: Grant
    Filed: November 28, 2016
    Date of Patent: February 19, 2019
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Barbara Haviland Minor, Thomas Joseph Leck, Donald Bernard Bivens
  • Publication number: 20170073561
    Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene 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: Application
    Filed: November 28, 2016
    Publication date: March 16, 2017
    Inventors: BARBARA HAVILAND MINOR, THOMAS JOSEPH LECK, DONALD BERNARD BIVENS
  • Patent number: 9540556
    Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene 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: Grant
    Filed: September 29, 2014
    Date of Patent: January 10, 2017
    Assignee: THE CHEMOURS COMPANY FC, LLC
    Inventors: Barbara Haviland Minor, Thomas Joseph Leck, Donald Bernard Bivens
  • Publication number: 20150013942
    Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene 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: Application
    Filed: September 29, 2014
    Publication date: January 15, 2015
    Inventors: Barbara Haviland MINOR, Thomas Joseph LECK, Donald Bernard BIVENS
  • Publication number: 20150007592
    Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises 2,3,3,3-tetrafluoropropene (HFC-1234yf) and at least one hydrocarbon. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, and aerosol propellants.
    Type: Application
    Filed: September 23, 2014
    Publication date: January 8, 2015
    Inventors: BARBARA HAVILAND MINOR, THOMAS JOSEPH LECK, DONALD BERNARD BIVENS, AKIMICHI YOKOZEKI
  • Patent number: 8871112
    Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises 2,3,3,3-tetrafluoropropene (HFC-1234yf) and at least one hydrocarbon. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, and aerosol propellants.
    Type: Grant
    Filed: November 16, 2009
    Date of Patent: October 28, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Barbara Haviland Minor, Thomas J. Leck, Donald Bernard Bivens, Akimichi Yokozeki
  • Patent number: 7959825
    Abstract: 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: Grant
    Filed: June 17, 2009
    Date of Patent: June 14, 2011
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Barbara Haviland Minor, Velliyur Nott Mallikarjuna Rao, Donald Bernard Bivens, Deepak Perti, Mark Steven Baunchalk
  • Patent number: 7914698
    Abstract: 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: Grant
    Filed: June 17, 2009
    Date of Patent: March 29, 2011
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Barbara Haviland Minor, Velliyur Nott Mallikarjuna Rao, Donald Bernard Bivens, Deepak Perti, Mark Steven Baunchalk
  • Publication number: 20110017942
    Abstract: Disclosed are compositions containing about 17.0 weight percent to about 22.0 weight percent pentafluoroethane; about 77.0 weight percent to about 81.0 weight percent 1,1,1,2-tetrafluoroethane; and about 1.0 weight percent to about 2.0 weight percent of n-butane, and which may include optional other components.
    Type: Application
    Filed: April 10, 2009
    Publication date: January 27, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Donald Bernard Bivens, Deepak Perti
  • Publication number: 20100251803
    Abstract: Disclosed herein are detectable refrigerant compositions, comprising from about 0.001 to about 5 weight percent tracer compositions, which are useful to identify leaking in a vapor compression refrigeration and/or air conditioning system. The presence of the tracers make the refrigerant compositions detectable by chemo/electro-active array, corona discharge, heated diode, electrochemical, photoionization, infra red, ultrasonic and electron capture detectors.
    Type: Application
    Filed: June 22, 2010
    Publication date: October 7, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: DONALD BERNARD BIVENS, Thomas J. Leck, Mack McFarland, Barbara Haviland Minor, John Carl Steichen
  • Publication number: 20100123095
    Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises 2,3,3,3-tetrafluoropropene (HFC-1234yf) and at least one hydrocarbon. The compositions of the present invention are useful in processes for producing cooling or heat, as heat transfer fluids, foam blowing agents, and aerosol propellants.
    Type: Application
    Filed: November 16, 2009
    Publication date: May 20, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Barbara Haviland Minor, Thomas J. Leck, Donald Bernard Bivens, Akimichi Yokozeki
  • Publication number: 20100122545
    Abstract: The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a tetrafluoropropene 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: Application
    Filed: November 16, 2009
    Publication date: May 20, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Barbara Haviland Minor, Thomas J. Leck, Donald Bernard Bivens
  • Publication number: 20100101245
    Abstract: Disclosed are refrigerant compositions comprising the following components, as expressed in weight percent, and such that the total adds up to 100%, including any additives. 7.0-9.0% wt. R32 [difluoromethane, CH2F2, having a normal boiling point of ?51.7° C.]; 39.0-50.0% wt. R125 [pentafluoroethane, CF3CHF2, having a normal boiling point of ?48.5° C.]; 39.0-50.0% wt R134a [1,1,1,2 tetrafluoroethane, CF3CHF2, normal boiling point of ?26.1° C.]; 1.9 to 2.5% wt hydrocarbon, which consists essentially of 1.5-1.8% wt R600 [n-butane, CH3CH2CH2CH3, normal boiling point of ?0.5° C.], and 0.4-0.7% wt R601a [isopentane, ((CH3)2CHCH2CH3, having normal boiling point of +27.8° C.] or R601 [n-pentane (CH3CH2CH2 CH2CH3, having a normal boiling point of +36° C.)]. Further disclosed are refrigerators, freezers, air conditioners, water chillers, and heat pumps using the compositions described herein as at least one of the heat transfer compositions in the equipment.
    Type: Application
    Filed: December 19, 2007
    Publication date: April 29, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Donald Bernard Bivens, Thomas J. Leck
  • Publication number: 20100065773
    Abstract: Disclosed are compositions containing pentafluoroethane, 1,1,1,2-tetrafluoroethane and at least two hydrocarbons each having eight or fewer carbon atoms. Disclosed herein are compositions containing about 13 weight percent to about 20 weight percent pentafluoroethane; about 70 weight percent to about 80 weight percent 1,1,1,2-tetrafluoroethane; about 1 weight percent to about 6 weight total of at combination of hydrocarbons consisting of n-butane and n-pentane. Also disclosed herein are compositions further comprising 1,1,1,2,3,3,3-heptafluoropropane. Also disclosed are azeotrope-like compositions comprising pentafluoroethane, 1,1,1,2-tetrafluoroethane, n-butane and n-pentane and azeotrope like compositions comprising pentafluoroethane, 1,1,1,2-tetrafluoroethane, n-butane, n-pentane, and 1,1,1,2,3,3,3-heptafluoropropane.
    Type: Application
    Filed: December 18, 2007
    Publication date: March 18, 2010
    Applicant: E.I. DU PONT DE NEMOURSA AND COMPANY
    Inventor: Donald Bernard Bivens
  • Publication number: 20100011791
    Abstract: A heat transfer system capable of being coupled to at least one temperature controlled zone, the elements of the system comprising: (i) at least one liquid refrigerant line; (ii) at least one expansion valve selected for R22 or R422D; (iii) at least one evaporator (iv) at least one compressor; (v) at least one condenser; (vi) at least one vapor refrigerant line; and wherein all of the elements have an inlet side and an outlet side and elements (i) through (vi) are in fluid communication together and contains R422D; and the system further comprising a sensing element communicatively coupled to the outlet side of at least one evaporator and at least one expansion valve and at least one sensing element contains a fluid selected to work when R22 is in the condenser-to-evaporator circuit, or R422D. Further disclosed are methods for retrofitting R22 containing heat transfer systems, including refrigerators and air conditioners. Also disclosed are refrigerators and air conditioners containing only R422D.
    Type: Application
    Filed: December 19, 2007
    Publication date: January 21, 2010
    Inventors: Roger Nicholas Strickland, Calvin Curtis Lawson, Neil Andre Roberts, James William Dunlap, Donald Bernard Bivens, Kevin Patrick O'Shea
  • Publication number: 20090314015
    Abstract: The present invention relates to the use of flexible hoses capable of handling high pressure fluids and providing a barrier against permeation loss in air conditioning and refrigeration systems. Such hoses are particularly suitable in air conditioning and refrigeration in which new, low global warming potential refrigerant alternatives are used.
    Type: Application
    Filed: August 31, 2007
    Publication date: December 24, 2009
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Barbara Haviland Minor, Donald Bernard Bivens, Shailesh Ratilal Doshi, Velliyur Nott Mallikarjuna Rao, Enrico Simonato
  • Publication number: 20090278072
    Abstract: 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: Application
    Filed: June 17, 2009
    Publication date: November 12, 2009
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Barbara Haviland Minor, Velliyur Nott Mallikarjuna Rao, Donald Bernard Bivens, Deepak Perti, Mark Steven Baunchalk