Patents by Inventor Michael S. Misura, Jr.

Michael S. Misura, 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).

  • Photochromic compositions of improved fatigue resistance
    Patent number: 5391327
    Abstract: Photochromic optical articles of improved resistance to light fatigue are provided by the use of a combination of hindered amine light stabilizer and asymmetric diaryloxalamide light stabilizer with a mixture of (1) photochromic material having a minima luminous transmission in the range of 560 to 630 nanometers and (2) photochromic material having a minima luminous transmission in the range of 430 to 520 nanometers.
    Type: Grant
    Filed: June 9, 1994
    Date of Patent: February 21, 1995
    Assignee: Transitions Optical, Inc.
    Inventors: John S. Ligas, Michael S. Misura, Jr., Cletus N. Welch