Patents by Inventor Richard J. Kosakowski

Richard J. Kosakowski 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).

  • Coated fuser member and methods of making coated fuser members
    Patent number: 6113830
    Abstract: Coated fuser members such as a fuser roller, pressure roller, or fuser belt, and the method of making the coated fuser members are disclosed. The release coating comprises an outermost layer of fluoropolymer resin uniquely bonded to a fluoroelastomer layer.
    Type: Grant
    Filed: July 27, 1998
    Date of Patent: September 5, 2000
    Assignee: Eastman Kodak Company
    Inventors: Jiann H. Chen, Richard J. Kosakowski, Gary F. Roberts, Roger H. Calendine
  • Coated fuser members
    Patent number: 5906881
    Abstract: Coated fuser members such as a fuser roller, pressure roller, or fuser belt are coated with a release coating comprises an outermost layer of fluoropolymer resin powder directly bonded to an underlying fluoroelastomer layer.
    Type: Grant
    Filed: October 15, 1996
    Date of Patent: May 25, 1999
    Assignee: Eastman Kodak Company
    Inventors: Jiann H. Chen, Richard J. Kosakowski, Gary F. Roberts, Roger H. Calendine
  • Fusing roll having an oil barrier layer
    Patent number: 5766759
    Abstract: A release oil barrier layer is coated over the silicone rubber cushion layer of a toner fusing roll by means of a coating composition having a low VOC content and comprising an aqueous dispersion of a fluorocarbon polymer in particulate form and a water-dispersible polyurethane.
    Type: Grant
    Filed: January 10, 1997
    Date of Patent: June 16, 1998
    Assignee: Eastman Kodak Company
    Inventors: Jiann-Hsing Chen, Gary F. Roberts, Richard J. Kosakowski
  • Fluorinated elastomer/fluorinated resin compositions for toner fusing members
    Patent number: 5599631
    Abstract: There is provided a fuser member having as its outermost layer, a substantially homogeneous composite comprising:a) a continuous phase of a fluorocarbon elastomer selected from vinylidene fluoride based fluoroelastomers containing hexafluoropropylene and terpolymers of vinylidene fluoride, hexafluoropropylene and tetrafluoroethylene; andb) a discontinuous phase of a flourinated resin having a molecular weight between about 4,000 and 25,000.
    Type: Grant
    Filed: March 8, 1995
    Date of Patent: February 4, 1997
    Assignee: Eastman Kodak Company
    Inventors: Jiann-H Chen, Beta Y. Ni, Richard J. Kosakowski
  • Coated fuser members and methods of making coated fuser members
    Patent number: 5547759
    Abstract: Coated fuser members such as a fuser roller, pressure roller, or fuser belt, and the method of making the coated fuser members are disclosed. The release coating comprises an outermost layer of fluoropolymer resin uniquely bonded to a fluoroelastomer layer by means of a fluoropolymer-containing polyamide-imide primer layer.
    Type: Grant
    Filed: December 9, 1993
    Date of Patent: August 20, 1996
    Assignee: Eastman Kodak Company
    Inventors: Jiann-Hsing Chen, Lawrence P. Demejo, Gary F. Roberts, Richard J. Kosakowski, Muhammed Aslam, John E. Derimiggio