Patents by Inventor Susan P. Robie

Susan P. Robie 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: 4028281
    Abstract: A solution for treating metal surfaces is provided which is capable of cleaning (degreasing) and hydrophilically sensitizing the metal surface. The treatment solution is a synergistic improvement over conventional silicate treating solutions obtained by the addition of the ferric chelate of ethylene diamine tetra acetic acid (Fe.sup.+.sup.3 EDTA).
    Type: Grant
    Filed: December 8, 1975
    Date of Patent: June 7, 1977
    Assignee: Scott Paper Company
    Inventors: Ben Millard, Susan P. Robie