Patents by Inventor Nelson B. O'Bryan, Jr.

Nelson B. O'Bryan, Jr. 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).

  • Capacitor having epoxy dielectric layer cured with aminophenylfluorenes
    Patent number: 6577492
    Abstract: A capacitor with a polymeric dielectric layer, the dielectric layer having a leakage current at 85° C. and 85% relative humidity of less than 100 nA/cm2 using a 6 volt bias.
    Type: Grant
    Filed: July 10, 2001
    Date of Patent: June 10, 2003
    Assignee: 3M Innovative Properties Company
    Inventor: Nelson B. O'Bryan, Jr.
  • Stabilizers for photographic emulsions
    Patent number: 4988615
    Abstract: The addition of certain classes of organic salts to infrared sensitive silver halide photographic emulsions can provide supersensitization, improved liquid hold time stability, and photographic emulsion stability.
    Type: Grant
    Filed: February 10, 1988
    Date of Patent: January 29, 1991
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Paul Davies, Nelson B. O'Bryan, Jr., James B. Philip, Jr.