Patents by Inventor Michael W. Fichtner

Michael W. Fichtner 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).

  • Photographic element containing pyrazoloazole coupler and a specific anti-fading combination
    Patent number: 6048680
    Abstract: Silver halide photographic element comprising a support bearing a light sensitive silver halide emulsion layer and a cyclic azole dye forming coupler associated with a stabilizer combination comprising:i) a compound having the following Formula S: ##STR1## and ii) a compound having the following Formula I: ##STR2## wherein: R.sub.3 represents an aryl group or a heterocyclic group;Z.sub.1 and Z.sub.2 each represent an alkylene group having 1 to 3 carbon atoms provided that the total number of carbon atoms in the ring is 3 to 6;n is an integer of 1 or 2;L represents a divalent linking group;R.sub.4 represents an alkyl, alkenyl or aryl group;w represents an integrer of 1 to 5;y represents 0 or 1provided that if w is more than 1, then the --L.sub.y R.sub.4 groups may be the same or different, and two --L.sub.y R.sub.4 groups may be joined to form a ring; and that the total number of carbon atoms in --L.sub.y R.sub.4 is at least 8.
    Type: Grant
    Filed: December 9, 1998
    Date of Patent: April 11, 2000
    Assignee: Eastman Kodak Company
    Inventors: Franklin D. Saeva, Daniel L. Kapp, Stanley W. Cowan, Philip T. Lau, Michael W. Fichtner
  • Fusing member having zinc oxide-filled, addition cured layer
    Patent number: 5587245
    Abstract: A fuser member having a core and a layer overlying the core. The layer includes: an addition crosslinked polyorganosiloxane elastomer, and zinc oxide particles dispersed therein in a concentration of from 5 to 40 percent of the total volume of the layer.
    Type: Grant
    Filed: December 23, 1994
    Date of Patent: December 24, 1996
    Assignee: Eastman Kodak Company
    Inventors: Susan A. Visser, Charles E. Hewitt, Tonya D. Binga, Wayne T. Ferrar, Michael W. Fichtner, John J. Fitzgerald
  • Fusing member having tin-filled, addition cured layer
    Patent number: 5480725
    Abstract: A fuser member having a core and a layer overlying the core. The layer includes: an addition crosslinked polyorganosiloxane elastomer, and tin oxide particles dispersed therein in a concentration of from 20 to 40 percent of the total volume of the layer.
    Type: Grant
    Filed: September 14, 1994
    Date of Patent: January 2, 1996
    Assignee: Eastman Kodak Company
    Inventors: John J. Fitzgerald, Wayne T. Ferrar, Tonya D. Binga, Michael W. Fichtner
  • Tin oxide filled diphenylsiloxane-dimethylsiloxane fuser member for fixing toner to a substrate
    Patent number: 5474852
    Abstract: A fuser member having a core and a layer overlying said core. The layer comprises a crosslinked polydiphenylsiloxane-poly(dimethylsiloxane) elastomer having tin oxide particles dispersed therein in a concentration of from 20 to 40 percent of the total volume of the layer.
    Type: Grant
    Filed: June 29, 1994
    Date of Patent: December 12, 1995
    Assignee: Eastman Kodak Company
    Inventors: John J. Fitzgerald, Wayne T. Ferrar, Tonya D. Binga, Michael W. Fichtner
  • Zinc oxide filled diphenylsiloxane-dimethylsiloxane fuser member for fixing toner to a substrate
    Patent number: 5466533
    Abstract: A fuser member comprising a core and a layer overlying said core. The layer comprises a crosslinked polydiphenylsiloxane-poly(dimethylsiloxane) elastomer having zinc oxide particles dispersed therein in a concentration of from 20 to 40 percent of the total volume of the layer.
    Type: Grant
    Filed: June 29, 1994
    Date of Patent: November 14, 1995
    Assignee: Eastman Kodak Company
    Inventors: John J. Fitzgerald, Wayne T. Ferrar, Tonya D. Binga, Michael W. Fichtner
  • Dye mixtures and optical recording elements containing same
    Patent number: 4783393
    Abstract: A dye mixture comprising at least two different unsymmetrical bis[1,2-diphenyl-1,2-ethanedithiolato(2.sup.-)-S,S'] -platinum compounds is disclosed. The mixture is useful in optical recording layers.
    Type: Grant
    Filed: October 27, 1986
    Date of Patent: November 8, 1988
    Assignee: Eastman Kodak Company
    Inventors: John C. Brazas, Jr., Harold T. Thomas, Neil F. Haley, Michael W. Fichtner