Patents by Inventor Roy H. Hankee

Roy H. Hankee 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: 4074000
    Abstract: Disclosed is a novel pressure sensitive adhesive drafting film which is specially formulated to permit it to be imaged in electrostatographic copiers. The film is a multilayered structure comprising layers from the top down of:(a) a matte coating capable of receiving and holding graphic information;(b) a layer of organic resinous material in film form;(c) a layer of pressure sensitive adhesive;(d) a release coating;(e) a layer of an organic resinous material in film form as release liner; and(f) a back coating which is a layer of an organic resinous binder material having dispersed therein:I. a particulate solid material of particle size ranging from 3 to 20 microns in the longest dimension, andIi. a water insoluble antistatic agent of a type to cause the film to have a surface resistivity in the range of from 10.sup.9 to 10.sup.14 ohms/sq.
    Type: Grant
    Filed: October 27, 1976
    Date of Patent: February 14, 1978
    Assignee: Xerox Corporation
    Inventors: Roy H. Hankee, Alp T. Akman