Patents by Inventor Lee F. Spencer

Lee F. Spencer 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).

  • Publication number: 20030175497
    Abstract: A flame retardant article foamed substrate is described, the article comprising a polymeric foam material comprising a polymer, antimony-free fire retardant and a plurality of microspheres, the foam material having an outer surface; and an adhesive layer on the outer surface, the adhesive layer is preferably formulated without fire retardant. The polymeric foam material is selected from the group consisting of elastomers, rubbers, thermoplastic elastomers, rubber based and acrylic adhesives, polyolefin polymers, acrylate polymers and methacrylate polymers, acrylate and methacrylate copolymers, and combinations thereof. The adhesive layer may comprise a pressure sensitive adhesive, a heat-activated adhesive, or the like. Viscoelastic or elastic microfibers may be incorporated into the foam material, into the adhesive layer, or both to impart stretch release properties to the finished article.
    Type: Application
    Filed: February 4, 2002
    Publication date: September 18, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: James J. Kobe, Patrick J. Fischer, Lee F. Spencer, Zhiming Zhou
  • Patent number: 6506498
    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: March 16, 2001
    Date of Patent: January 14, 2003
    Assignee: Rohm and Haas Company
    Inventors: Owen H. Decker, Charles P. Tarnoski, Lee F. Spencer, Roy M. Berstler, James G. Fotiou
  • Publication number: 20010020059
    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: Application
    Filed: March 16, 2001
    Publication date: September 6, 2001
    Inventors: Owen H. Decker, Charles P. Tarnoski, Lee F. Spencer, Roy M. Berstler, James G. Fotiou