Patents Examined by Wu C. Chen
  • Patent number: 5739235
    Abstract: Novel (2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)-2-cyanoacetamido)-phenyl acrylates are disclosed. They are useful in making novel poly?(2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)-2-cyanoacetamido)phenyl acrylate! charge-control agents. The charge-control agents are useful for electrostatographic toners and developers.
    Type: Grant
    Filed: April 9, 1997
    Date of Patent: April 14, 1998
    Assignee: Eastman Kodak Company
    Inventors: John C. Wilson, Robert D. Fields
  • Patent number: 5079302
    Abstract: A catalytic process for free radically induced polymerization and graft copolymerization of a free radically polymerizable monomer onto a compound in the presence of a free radical initiator, an organic catalyst and in the presence or absence of an organic diluent where the organic catalyst is an alkenyl substituted cyanurate or isocyanurate and composition thereof.
    Type: Grant
    Filed: January 19, 1990
    Date of Patent: January 7, 1992
    Assignee: University of Akron
    Inventors: Sunggyu Lee, Ramesh Rengarajan