Patents by Inventor Lee F. Spenser

Lee F. Spenser 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).

  • Translucent high-temperature powder coatings
    Patent number: 6248824
    Abstract: Coating powders are provided which provide high-temperature, translucent coatings useful for light-emitting devices such as incandescent bulbs. The coating powders comprise a binder, at least 90 wt % up to 100 wt % of which is a silicone resin. The coating powders are filled with between about 10 and about 50 phr of fillers selected from the group consisting of needle-like calcium metasilicate, mica, rod-like glass particles, and mixtures thereof, the fillers having aspect ratios between about 8 and about 40.
    Type: Grant
    Filed: April 9, 1999
    Date of Patent: June 19, 2001
    Assignee: Morton International, Inc.
    Inventors: Owen H. Decker, Charles P. Tarnoski, Lee F. Spenser, Roy M. Berstler, James G. Fotiou