Patents by Inventor Frederick T. Lichtenburg

Frederick T. Lichtenburg 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).

  • Copper and optical fiber cable with improved filling material
    Patent number: 6816655
    Abstract: A copper and optical fiber filling material that comprises a hydrocarbon component, which is semisolid at use temperatures in combination with an antioxidant system comprising of (a) sulfur containing primary phenolic antioxidant; (b) a mixture of mono- and di-alkyl butyl/octyl diphenylamine; (c) an organic phosphite or phosphonite and (d) optionally one or more hindered phenol antioxidants exhibits excellent oxidative stability.
    Type: Grant
    Filed: October 29, 2002
    Date of Patent: November 9, 2004
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Jose L. Reyes-Gavilan, Frederick T. Lichtenburg
  • Copper and optical fiber cable with improved filling material
    Publication number: 20030142932
    Abstract: A copper and optical fiber filling material that comprises a hydrocarbon component, which is semisolid at use temperatures in combination with an antioxidant system comprising of (a) sulfur containing primary phenolic antioxidant; (b) a mixture of mono- and di-alkyl butyl/octyl diphenylamine; (c) an organic phosphite or phosphonite and (d) optionally one or more hindered phenol antioxidants exhibits excellent oxidative stability.
    Type: Application
    Filed: October 29, 2002
    Publication date: July 31, 2003
    Inventors: Jose L. Reyes-Gavilan, Frederick T. Lichtenburg