Patents by Inventor Ellen L. Swan

Ellen L. Swan 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 1,1,2-trichloro-1,2,2-trifluoroethane, methanol, nitromethane and dimethoxymethane
    Patent number: 4873015
    Abstract: Azeotrope-like compositions comprising 1,1,2-trichloro-1,2,2-trifluoroethane, methanol, nitromethane and dimethoxymethane are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including the defluxing of printed circuit boards.
    Type: Grant
    Filed: October 31, 1988
    Date of Patent: October 10, 1989
    Assignee: Allied-Signal Inc.
    Inventors: Ellen L. Swan, Rajat S. Basu, Earl A. E. Lund, David P. Wilson
  • Azeotrope-like compositions of 1,1-dichloro-1-fluoroethane, dichlorotrifluoroethane and ethanol
    Patent number: 4863630
    Abstract: Azeotrope-like compositions comprising 1,1-dichoro-1-fluoroethane, dichlorotrifluoroethane and ethanol are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards.
    Type: Grant
    Filed: March 29, 1989
    Date of Patent: September 5, 1989
    Assignee: Allied-Signal Inc.
    Inventors: Ellen L. Swan, Rajat S. Basu