Patents Examined by Patrick A. Dody
  • Photohardenable composition containing borate salts and ketone initiators
    Patent number: 5055372
    Abstract: A photohardenable composition comprising a free radical addition polymerizable or crosslinkable compound and an aromatic ketone and a borate salt; and photosensitive materials employing the composition where in one embodiment the composition is microencapsulated.
    Type: Grant
    Filed: April 23, 1990
    Date of Patent: October 8, 1991
    Assignee: The Mead Corporation
    Inventors: Michael S. Shanklin, Peter Gottschalk, Paul C. Adair