Patents by Inventor Karen A. Davenport

Karen A. Davenport 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).

  • Metal plating of plastic materials
    Patent number: 4803097
    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 exposing such materials to an atmosphere comprising ozone, contacting said exposed materials with a conditioning solvent, such as an aqueous solution of sodium, potassium or lithium hydroxide, contacting said materials with one or more oxidizing acids such as nitric acid and electroless plating of a metal coating on the said material.
    Type: Grant
    Filed: April 20, 1987
    Date of Patent: February 7, 1989
    Assignee: Allied-Signal Inc.
    Inventors: Howard A. Fraenkel, Karen A. Davenport, Frank A. Spicciati