Patents by Inventor Joseph Kupper

Joseph Kupper 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).

  • Stereospecific enrichment of heterocyclic enantiomers
    Publication number: 20070010676
    Abstract: The present invention describes methods for the stereoselective synthesis of heterocyclic enantiomers. The methods of the present invention incorporate the stereo-preferred oxidation of quinolone thiomethyl intermediates by optically active camphor based oxaziridines to provide R(+) or S(?) quinolone methylsulfinyl derivatives.
    Type: Application
    Filed: April 27, 2006
    Publication date: January 11, 2007
    Inventors: Stefan Kwiatkowski, Miroslaw Golinski, Joseph Kupper
  • Stereospecific enrichment of heterocyclic enantiomers
    Patent number: 7084275
    Abstract: The present invention describes methods for the stereoselective synthesis of heterocyclic enantiomers. The methods of the present invention incorporate the stereo-preferred oxidation of quinolone thiomethyl intermediates by optically active camphor based oxaziridines to provide R(+) or S(?) quinolone methylsulfinyl derivatives.
    Type: Grant
    Filed: November 18, 2003
    Date of Patent: August 1, 2006
    Assignee: R. T. Alamo Ventures I, LLC
    Inventors: Stefan Kwiatkowski, Miroslaw Golinski, Joseph Kupper
  • Stereospecific enrichment of heterocyclic enantiomers
    Publication number: 20040215016
    Abstract: The present invention describes methods for the stereoselective synthesis of heterocyclic enantiomers. The methods of the present invention incorporate the stereo-preferred oxidation of quinolone thiomethyl intermediates by optically active camphor based oxaziridines to provide R(+) or S(−) quinolone methylsulfinyl derivatives.
    Type: Application
    Filed: November 18, 2003
    Publication date: October 28, 2004
    Applicant: R.T. Alamo Ventures I, LLC
    Inventors: Stefan Kwiatkowski, Miroslaw Golinski, Joseph Kupper
  • Stereospecific enrichment of heterocyclic enantiomers
    Patent number: 6649764
    Abstract: The present invention describes methods for the stereoselective synthesis of heterocyclic enantiomers. The methods of the present invention incorporate the stereo-preferred oxidation of quinolone thiomethyl intermediates by optically active camphor based oxaziridines to provide R(+) or S(−) quinolone methylsulfinyl derivatives.
    Type: Grant
    Filed: October 25, 2001
    Date of Patent: November 18, 2003
    Assignee: R. T. Alamo Ventures I, LLC
    Inventors: Stefan Kwiatkowski, Miroslaw Golinski, Joseph Kupper
  • Stereospecific enrichment of heterocyclic enantiomers
    Publication number: 20030120075
    Abstract: The present invention describes methods for the stereoselective synthesis of heterocyclic enantiomers. The methods of the present invention incorporate the stereo-preferred oxidation of quinolone thiomethyl intermediates by optically active camphor based oxaziridines to provide R(+) or S(−) quinolone methylsulfinyl derivatives.
    Type: Application
    Filed: October 25, 2001
    Publication date: June 26, 2003
    Applicant: R.T. Alamo Adventures I, LLC
    Inventors: Stefan Kwiatkowski, Miroslaw Golinski, Joseph Kupper