Patents by Inventor Stephen Michael Neumann

Stephen Michael Neumann 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).

  • Patent number: 5891602
    Abstract: This invention relates to a dye donor element for laser-induced thermal dye transfer comprising a support having thereon a dye layer comprising an image dye in a binder and an infrared absorbing dye associated therewith, and wherein said binder comprises a nonpolymeric, organic material with a glassy state having a glass transition temperature of greater than 25.degree. C., capable of forming an amorphous glass with said image dye.
    Type: Grant
    Filed: May 29, 1992
    Date of Patent: April 6, 1999
    Assignee: Eastman Kodak Company
    Inventor: Stephen Michael Neumann
  • Patent number: 5674661
    Abstract: A laser dye removal recording element comprising a support having thereon a dye layer comprising an image dye dispersed in a polymeric binder, the dye layer having an infrared-absorbing material associated therewith, and wherein the image dye comprises a cyan disazo dye having the following formula: ##STR1## wherein: R.sup.1, R.sup.3, and R.sup.4 each independently represents nitro, hydroxy, alkyl, aryl, fused aryl, fused heteroaryl, carboxy, alkylcarbonyl, arylcarbonyl, hydrogen, alkenyl, cycloalkyl, haloalkyl, cyanoalkyl, hydroxyalkyl, alkoxy, alkoxyalkyl, aryloxyalkyl, alkoxyalkylcarbonyl, aryloxyalkylcarbonyl, alkoxyalkoxyalkyl, hydroxyalkyl, hydroxyalkoxyalkyl, hydroxyalkoxyalkylamino, alkenyloxyalkyl, alkoxycarbonyloxyalkyl, alkenylcarbonyl, aryloxyalkylcarbonyl, aminoalkyl, cyanoalkylcarbonyl, haloalkylcarbonyl, alkylamino, arylamino, amino, halogen, sulfonamido or arylazo;or R.sup.3 and R.sup.4 can be joined together at the 4- and 5- positions of the ring to form a diaminoalkylene group;R.sup.
    Type: Grant
    Filed: November 29, 1995
    Date of Patent: October 7, 1997
    Assignee: Eastman Kodak Company
    Inventor: Stephen Michael Neumann