Patents by Inventor Catherine Schoen

Catherine Schoen 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).

  • Photoinitiator and ink
    Publication number: 20050148681
    Abstract: An ink jet ink that includes a photopolymerizable material, a pigment, and a liquid blend of (a) oligo [2-hydroxy-2-methyl-1-[4-(1-methylvinyl)phenyl]propanone](b) 4-methylbenzophenonone (c) 2,4,6-trimethylbenzophenone (d) 2,4,6-trimethylbenzoyldiphenylphosphine oxide, (e) phenyl-bis-(2,4,6-trimethylbenzoyl)phosphine oxide, and (f) 2-hydroxy-2-methyl-1-phenylpropanone can be cured by either a xenon flash lamp or a mercury vapor lamp, with excellent adhesion over vinyl substrates.
    Type: Application
    Filed: September 30, 2004
    Publication date: July 7, 2005
    Inventor: Catherine Schoen