Patents by Inventor Andrew Mavec

Andrew Mavec 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: 10829722
    Abstract: Disclosed herein are multi-component, azeotrope-like compositions containing trans-dichloroethylene, 1,1,1,3,3-pentafluorobutane, and 1,1,2,2-tetrafluoroethyl-2,2,2-trifluoroethyl ether. These compositions also form an azeotrope-like mixture with methanol. These compositions are useful as solvents in refrigeration flushing, oxygen system cleaning, foam blowing, and cleaning operations such as cold cleaning, vapor degreasing, and aerosol cleaners.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: November 10, 2020
    Assignee: ENVIRO TECH INTERNATIONAL, INC.
    Inventors: Richard J. DeGroot, Karl Loepke, Andrew Mavec
  • Publication number: 20190338223
    Abstract: Disclosed herein are multi-component, azeotrope-like compositions containing trans-dichloroethylene, 1,1,1,3,3-pentafluorobutane, and 1,1,2,2-tetrafluoroethyl-2,2,2-trifluoroethyl ether. These compositions also form an azeotrope-like mixture with methanol. These compositions are useful as solvents in refrigeration flushing, oxygen system cleaning, foam blowing, and cleaning operations such as cold cleaning, vapor degreasing, and aerosol cleaners.
    Type: Application
    Filed: December 21, 2017
    Publication date: November 7, 2019
    Inventors: Richard J. DeGroot, Karl Loepke, Andrew Mavec