Patents by Inventor George D. Morris

George D. Morris 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 forming a sequence of crosslinked pigmented coatings on ceramic substrates
    Patent number: 6214414
    Abstract: A method comprising heating to elevated temperature a ceramic substrate having thereon a sequence of coatings of pigmented coating compositions wherein each of said pigmented coating compositions comprises: (a) reactive organic resin which is polyhydroxy-functional, polyepoxy-functional, or both epoxy-functional and hydroxy-functional; (b) reactive wax; (c) color-imparting pigment; and (d) blocked polyisocyanate; wherein: (e) the pigmented coating composition of at least one coating of the sequence is substantially free of amino-functional curing agent; and (f) the pigmented coating composition of at least one other coating of the sequence further comprises amino-functional curing agent; to crosslink all of the pigmented coating compositions of the coatings of the sequence and to adhere the sequence to the ceramic substrate. The preferred ceramic substrates are glass bottles.
    Type: Grant
    Filed: July 22, 1999
    Date of Patent: April 10, 2001
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Robert H. Tang, Yingchao Zhang, Louis J. Nehmsmann, Alan E. Wang, George D. Morris, Robert A. Montague