Patents by Inventor Melodie Schweitzer

Melodie Schweitzer 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).

  • Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane
    Publication number: 20050267006
    Abstract: Disclosed are binary azeotrope-like compositions consisting essentially of 1,1,1,3,3-pentafluorobutane (HFC-365mfc) and 1,1,1,2,3,4,4,5,5,5-decafluoropentane (HFC-43-10mee) or nonafluoromethoxybutane. The present invention further includes ternary or quaternary azeotrope-like compositions consisting essentially of 1,1,1,3,3-pentafluorobutane and 1,1,1,2,3,4,4,5,5,5-decafluoropentane or nonafluoromethoxybutane, and additionally trans-1,2-dichloroethylene, n-propyl bromide, acetone, methanol, ethanol or isopropanol.
    Type: Application
    Filed: June 29, 2005
    Publication date: December 1, 2005
    Inventors: Barbara Minor, Melodie Schweitzer, Thomas Tattersall
  • Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane
    Patent number: 6951835
    Abstract: Disclosed are binary azeotrope-like compositions consisting essentially of 1,1,1,3,3-pentafluorobutane (HFC-365mfc) and 1,1,1,2,3,4,4,5,5,5-decafluoropentane (HFC-43-10mee) or nonafluoromethoxybutane. The present invention further includes ternary or quaternary azeotrope-like compositions consisting essentially of 1,1,1,3,3-pentafluorobutane and 1,1,1,2,3,4,4,5,5,5-decafluoropentane or nonafluoromethoxybutane, and additionally trans-1,2-dichloroethylene, n-propyl bromide, acetone, methanol, ethanol or isopropanol.
    Type: Grant
    Filed: March 21, 2000
    Date of Patent: October 4, 2005
    Assignees: E.I. du Pont de Nemours and Company, Micro Care Corporation
    Inventors: Barbara Haviland Minor, Melodie A. Schweitzer, Thomas L. Tattersall
  • Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane
    Publication number: 20040171510
    Abstract: Disclosed are binary azeotrope-like compositions consisting essentially of 1,1,1,3,3-pentafluorobutane (HFC-365mfc) and 1,1,1,2,3,4,4,5,5,5-decafluoropentane (HFC-43-10mee) or nonafluoromethoxybutane. The present invention further includes ternary or quaternary azeotrope-like compositions consisting essentially of 1,1,1,3,3-pentafluorobutane and 1,1,1,2,3,4,4,5,5,5-decafluoropentane or nonafluoromethoxybutane, and additionally trans-1,2-dichloroethylene, n-propyl bromide, acetone, methanol, ethanol or isopropanol.
    Type: Application
    Filed: March 2, 2004
    Publication date: September 2, 2004
    Inventors: Barbara Haviland Minor, Melodie A. Schweitzer, Thomas L. Tattersall