Patents by Inventor John J. Greczek

John J. Greczek 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).

  • Photocurable polyimide coated glass fiber
    Patent number: 5504830
    Abstract: An optical glass fiber coated with a protective layer of photocurable polyimide coating which can be prepared from the polymeric condensation product of 6FDA, DMDE, and a photosensitizing moiety. More particularly, the present invention relates to a photocurable polyimide coated glass fiber useful for optic applications.
    Type: Grant
    Filed: April 11, 1995
    Date of Patent: April 2, 1996
    Assignee: Amoco Corporation
    Inventors: David D. Ngo, Paul J. Cahill, John J. Greczek
  • Photocurable polyimide coated glass fiber
    Patent number: 5427862
    Abstract: An optical glass fiber coated with a protective layer of photocurable polyimide coating which can be prepared from the polymeric condensation product of 6FDA, DMDE, and a photosensitizing moiety. More particularly, the present invention relates to a photocurable polyimide coated glass fiber useful for optic applications.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: June 27, 1995
    Assignee: Amoco Corporation
    Inventors: David D. Ngo, Paul J. Cahill, John J. Greczek