Patents by Inventor John J. McGarr

John J. McGarr 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).

  • Method of making polyurethane powder
    Patent number: 4032516
    Abstract: Method for preparing polyurethane resin directly in finely divided form in which method a first reactant for forming the polyurethane is emulsified as fine droplets with the aid of special surfactants and controls in an inert organic liquid medium in which it and polyurethane resin are insoluble, a second reactant also insoluble in the liquid is introduced into the liquid medium and interacted with the droplets of the first reactant to form fine particles of solid polyurethane resin protected from agglomeration by the surfactant, and the particles of polyurethane resin are separated from the liquid medium.
    Type: Grant
    Filed: July 17, 1975
    Date of Patent: June 28, 1977
    Assignee: USM Corporation
    Inventor: John J. McGarr