Patents by Inventor Tracy R. Woodward

Tracy R. Woodward 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).

  • Composite structures
    Patent number: 5460863
    Abstract: A composite structure comprising i) a release liner comprising a release composition; and ii) a pressure-sensitive adhesive coated backing wherein the pressure-sensitive adhesive has a relatively high storage modulus. The composite structure exhibits a low unwind noise as a result of the release composition employed.
    Type: Grant
    Filed: September 2, 1994
    Date of Patent: October 24, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Carl R. Kessel, Robert G. Lockwood, Tracy R. Woodward, Maan-shii S. Wu
  • Optical fiber element having a permanent protective coating with a Shore D hardness value of 65 or more
    Patent number: 5381504
    Abstract: An optical fiber element includes an optical fiber having a numerical aperture ranging from 0.08 to 0.34 and a protective coating affixed to the outer surface of the optical fiber. The protective coating has a Shore D hardnees value of 65 or more and remains on the optical fiber during connectorization so that the fiber is neither damaged by the blades of a stripping tool nor subjected to chemical or physical attack.
    Type: Grant
    Filed: November 15, 1993
    Date of Patent: January 10, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: James C. Novack, Bryon J. Cronk, James W. Laumer, Tracy R. Woodward, David A. Krohn
  • Photopolymerizable compositions and photoinitiators therefor
    Patent number: 5086192
    Abstract: Disclosed are siloxanyl-substituted diaromatic iodonium salts such as 4-[3-1,1,3,3,5,5,5-heptamethyl siloxanyl propoxy]phenyl-phenyliodonium hexafluoroantimonate. These diaryl iodonium salts are useful as photoinitiators for epoxy containing compounds, especially epoxypolysiloxanes. Also disclosed is a process for the preparation of a siloxanyl-substituted diaromatic iodonium salt.
    Type: Grant
    Filed: December 14, 1990
    Date of Patent: February 4, 1992
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Carl R. Kessel, Tracy R. Woodward