Patents by Inventor Anatoliy Ermak

Anatoliy Ermak 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).

  • Refrigerant mixture containing hydrogen bromide
    Patent number: 5989448
    Abstract: An azeotropic refrigerant mixture having low GWP and low ODP properties and saving on energy in amounts of from 8% to 17% and consisting of a blend of hydrogen bromide and a fluorohydrocarbon selected from the group consisting of R-123 dichlorotrifluoroethane (CHCl.sub.2 CF.sub.3); R-124 chlorotetrafluoroethane (CHFCICF.sub.3); R-134a tetrafluoroethane (CF.sub.3 CH.sub.2 F); R-142B chlorodifluoroethane (CH.sub.3 CClF.sub.2); R-143a trifluoroethane (CH.sub.3 CF.sub.3); R-152a difluoroethane (CH.sub.3 CHF.sub.2); and R-22 chlorodifluoromethane (CHClF.sub.2), with the HBr component being present in an amount ranging up to less than about 30% by volume, balance fluorohydrocarbon. Preferred blends consist of hydrogen bromide in an amount ranging from between about 8% and 17% by volume.
    Type: Grant
    Filed: November 11, 1998
    Date of Patent: November 23, 1999
    Inventors: Boris Ermak, Anatoliy Ermak