Patents by Inventor Robert J. Niger

Robert J. Niger 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).

  • Synthesis of peptoid substituted azole compounds
    Patent number: 6946562
    Abstract: Disclosed is a process for the preparation of a peptoid substituted azole compound comprising reacting an amino functionalized azole compound with a resin bound peptoid oligomer bearing a terminal halogen substituent followed by cleavage of the resultant product from the resin surface using a fluorinated organic acid in an inert solvent.
    Type: Grant
    Filed: December 12, 2001
    Date of Patent: September 20, 2005
    Assignee: Eastman Kodak Company
    Inventors: Donald R. Diehl, Robert J. Niger, Hans F. Schmitthenner, William J. Sonnefeld, Richard P. Dunlap
  • Synthesis of peptoid substituted azole compounds
    Publication number: 20030187188
    Abstract: Disclosed is a process for the preparation of a peptoid substituted azole compound comprising reacting an amino functionalized azole compound with a resin bound peptoid oligomer bearing a terminal halogen substituent followed by cleavage of the resultant product from the resin surface using a fluorinated organic acid in an inert solvent.
    Type: Application
    Filed: December 12, 2001
    Publication date: October 2, 2003
    Inventors: Donald R. Diehl, Robert J. Niger, Hans F. Schmitthenner, William J. Sonnefeld, Richard P. Dunlap
  • &agr;-amino-N-allylamidino nitrobenzene compound and synthesis
    Patent number: 6555711
    Abstract: Disclosed is a process comprising reacting an N-allylimino nitrobenzene compound with a diaminodinucleophile to form an &agr;-amino-N-allylamidino nitrobenzene compound and the compound itself.
    Type: Grant
    Filed: September 18, 2002
    Date of Patent: April 29, 2003
    Assignee: Eastman Kodak Company
    Inventors: Robert J. Niger, William B. Vreeland
  • Imaging materials containing peptoid substituted azole couplers
    Patent number: 6514679
    Abstract: Disclosed is a photographic element comprising a silver halide emulsion and a peptoid-containing azole dye-forming coupler.
    Type: Grant
    Filed: December 12, 2001
    Date of Patent: February 4, 2003
    Assignee: Eastman Kodak Company
    Inventors: Donald R. Diehl, Robert J. Niger, Richard P. Dunlap, William J. Sonnefeld, Hans F. Schmitthenner