Patents by Inventor Graham Morrison

Graham Morrison 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).

  • Azeotropic refrigerant comprising bis-(difluoromethyl)ether and 1,1,2-trifluoroethane
    Patent number: 5888418
    Abstract: An azeotropic refrigerant particularly useful as a working fluid in chilled water refrigerating systems to be used in possible juxtaposition to sea water comprises at least about 2 mol percent 1,1,2-trifluoroethane (R143) and the balance bis-(difluoromethyl) ether (E134).
    Type: Grant
    Filed: March 20, 1992
    Date of Patent: March 30, 1999
    Assignee: The United States of America as represented by the Secretary of Commerce
    Inventor: Graham Morrison