Patents by Inventor Gary F. Murphy, deceased

Gary F. Murphy, deceased 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 for producing coatings of low gloss
    Patent number: 4170663
    Abstract: Hard, mar resistant and abrasion resistant coatings of low gloss are prepared by exposing a coating composition containing an oxygen inhibitable, radiation curable, organic material and an ultraviolet light absorbing pigment to radiation in three stages. In the first stage, the coating composition is exposed to ionizing radiation in an atmosphere containing a cure inhibiting amount of oxygen. In the second stage, it is exposed to ultraviolet light in an atmosphere free of a cure inhibiting amount of oxygen. In the third stage, the coating composition is exposed to ionizing radiation.
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: October 9, 1979
    Assignee: PPG Industries, Inc.
    Inventors: Ernest A. Hahn, Gary F. Murphy, deceased, Gerald J. Bruckbauer