Patents by Inventor Albert A. Birkmaier

Albert A. Birkmaier 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).

  • Pretreatment of plastic materials for metal plating
    Patent number: 4505786
    Abstract: This invention relates to a process for conditioning the surfaces of natural and synthetic plastic materials for electroless plating of a metal coating thereon by exposing such materials to an atmosphere comprising an effective amount of ozone and thereafter contacting said exposed materials with an effective amount of a conditioning solvent, such as an aqueous solution of sodium, potassium or lithium hydroxide.
    Type: Grant
    Filed: August 8, 1983
    Date of Patent: March 19, 1985
    Assignee: Allied Corporation
    Inventors: Albert A. Birkmaier, Gary A. Harpell, Bruce E. Kurtz, Gordhanbhai N. Patel, Rustom P. Poncha, Adam L. Skovrinski, James M. Lesco
  • Pretreatment of plastic materials for metal plating
    Patent number: 4422907
    Abstract: This invention relates to a process for conditioning the surfaces of natural and synthetic plastic materials for electroless plating of a metal coating thereon by exposing such materials to an atmosphere comprising an effective amount of ozone and thereafter contacting said exposed materials with an effective amount of a conditioning solvent, such as an aqueous solution of sodium, potassium or lithium hydroxide.
    Type: Grant
    Filed: December 30, 1981
    Date of Patent: December 27, 1983
    Assignee: Allied Corporation
    Inventors: Albert A. Birkmaier, Gary A. Harpell, Bruce E. Kurtz, Gordhanbhai N. Patel, Rustom P. Poncha, Adam L. Skovrinski, James M. Lesco