Patents by Inventor Tuneen Chisolm-Carter

Tuneen Chisolm-Carter 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).

  • Patent number: 6905630
    Abstract: This invention relates to compositions that include at least one fluoroether and at least one hydrofluorocarbon. Included in this invention are compositions of a cyclic or acyclic hydrofluoroether of the formula CaFbH2a+2?bOc wherein a=2 or 3 and 3?b?8 and c=1 or 2 and a hydrofluorocarbon of the formula CnFmH2n+2?m wherein 1?n?4 and 1?m?8. Such compositions may be used as refrigerants, cleaning agents, expansion agents for polyolefins and polyurethanes, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, buffing abrasive agents, and displacement drying agents.
    Type: Grant
    Filed: June 18, 2004
    Date of Patent: June 14, 2005
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Diana Lynn Klug, Barbara Haviland Minor, Donna Marie Patron, Tuneen Chisolm-Carter, Allen Capron Sievert
  • Patent number: 6830703
    Abstract: This invention relates to compositions that include at least one fluoroether and at least one hydrofluorocarbon. Included in this invention are compositions of a cyclic or acyclic hydrofluoroether of the formula CaFbH2a+2−bOc wherein a=2 or 3 and 3≦b≦8 and c=1 or 2 and a hydrofluorocarbon of the formula CnFmH2n+2−m wherein 1≦n≦4 and 1≦m≦8. Such compositions may be used as refrigerants, cleaning agents, expansion agents for polyolefins and polyurethanes, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, buffing abrasive agents, and displacement drying agents.
    Type: Grant
    Filed: June 5, 2003
    Date of Patent: December 14, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Diana Lynn Klug, Barbara Haviland Minor, Donna Marie Patron, Tuneen Chisolm-Carter, Allen Capron Sievert
  • Publication number: 20040235701
    Abstract: This invention relates to compositions that include at least one fluoroether and at least one hydrofluorocarbon. Included in this invention are compositions of a cyclic or acyclic hydrofluoroether of the formula CaFbH2a+2−bOc wherein a=2 or 3 and 3≦b≦8 and c=1 or 2 and a hydrofluorocarbon of the formula CnFmH2n+2−m wherein 1≦n≦4 and 1≦m≦8. Such compositions may be used as refrigerants, cleaning agents, expansion agents for polyolefins and polyurethanes, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, buffing abrasive agents, and displacement drying agents.
    Type: Application
    Filed: June 18, 2004
    Publication date: November 25, 2004
    Inventors: Diana Lynn Klug, Barbara Haviland Minor, Donna Marie Patron, Tuneen Chisolm-Carter, Allen Capron Sievert
  • Publication number: 20030224957
    Abstract: This invention relates to compositions that include at least one fluoroether and at least one hydrofluorocarbon. Included in this invention are compositions of a cyclic or acyclic hydrofluoroether of the formula CaFbH2a+2−bOc wherein a=2 or 3 and 3≦b≦8 and c=1 or 2 and a hydrofluorocarbon of the formula CnFmH2n+2−m wherein 1≦n≦4 and 1≦m≦8. Such compositions may be used as refrigerants, cleaning agents, expansion agents for polyolefins and polyurethanes, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, buffing abrasive agents, and displacement drying agents.
    Type: Application
    Filed: June 5, 2003
    Publication date: December 4, 2003
    Inventors: Diana Lynn Klug, Barbara Haviland Minor, Donna Marie Patron, Tuneen Chisolm-Carter, Allen Capron Sievert
  • Publication number: 20030211956
    Abstract: This invention relates to compositions that include at least one fluoroether and at least one hydrofluorocarbon. Included in this invention are compositions of a cyclic or acyclic hydrofluoroether of the formula CaFbH2a+2−bOc wherein a=2 or 3 and 3≦b≦8 and c=1 or 2 and a hydrofluorocarbon of the formula CnFmH2n+2−m wherein 1≦n≦4 and 1≦m≦8. Such compositions may be used as refrigerants, cleaning agents, expansion agents for polyolefins and polyurethanes, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, buffing abrasive agents, and displacement drying agents.
    Type: Application
    Filed: June 5, 2003
    Publication date: November 13, 2003
    Inventors: Diana Lynn Klug, Barbara Haviland Minor, Donna Marie Patron, Tuneen Chisolm-Carter, Allen Capron Sievert
  • Patent number: 6632376
    Abstract: This invention relates to compositions that include at least one fluoroether and at least one hydrofluorocarbon. Included in this invention are compositions of a cyclic or acyclic hydrofluoroether of the formula CaFbH2a+2−bOc wherein a=2 or 3 and 3≦b≦8 and c=1 or 2 and a hydrofluorocarbon of the formula CnFmH2n+2−m wherein 1≦n≦4 and 1≦m≦8. Such compositions may be used as refrigerants, cleaning agents, expansion agents for polyolefins and polyurethanes, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, buffing abrasive agents, and displacement drying agents.
    Type: Grant
    Filed: April 19, 2002
    Date of Patent: October 14, 2003
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Diana Lynn Klug, Barbara Haviland Minor, Donna Marie Patron, Tuneen Chisolm-Carter, Allen Capron Sievert
  • Publication number: 20030052301
    Abstract: This invention relates to compositions that include at least one fluoroether and at least one hydrofluorocarbon. Included in this invention are compositions of a cyclic or acyclic hydrofluoroether of the formula CaFbH2a+2−bOc wherein a=2 or 3 and 3≦b≦8 and c=1 or 2 and a hydrofluorocarbon of the formula CnFmH2n+2−m wherein 1≦n≦4 and 1≦m≦8. Such compositions may be used as refrigerants, cleaning agents, expansion agents for polyolefins and polyurethanes, aerosol propellants, heat transfer media, gaseous dielectrics, fire extinguishing agents, power cycle working fluids, polymerization media, particulate removal fluids, carrier fluids, buffing abrasive agents, and displacement drying agents.
    Type: Application
    Filed: April 19, 2002
    Publication date: March 20, 2003
    Inventors: Diana Lynn Klug, Barbara Haviland Minor, Donna Marie Patron, Tuneen Chisolm-Carter, Allen Capron Sievert
  • Patent number: 5662825
    Abstract: 1,1,1,3,3,3-Hexafluoropropane is disclosed as a refrigerant.
    Type: Grant
    Filed: January 27, 1995
    Date of Patent: September 2, 1997
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Donald Bernard Bivens, Richard Edward Fernandez, Mark Brandon Shiflett, Tuneen Chisolm-Carter
  • Patent number: 5254309
    Abstract: A sterilant mixture comprising 15 to 30 mole percent ethylene oxide and 70 to 85 mole percent 1,1,1,3,3,3-hexafluoropropane (HFC-236fa) and a sterilization method using same.
    Type: Grant
    Filed: February 2, 1993
    Date of Patent: October 19, 1993
    Assignees: E. I. Du Pont de Nemours and Company, Praxair Tech. Inc.,
    Inventors: Vinci M. Felix, Tuneen Chisolm-Carter