Patents by Inventor George Charles Schloemer

George Charles Schloemer 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).

  • Process of making 2-deoxy-2,2-difluoro-D-ribofuranosyl nucleosides and intermediates therefor
    Patent number: 8168766
    Abstract: A compound of formula (A) or salt thereof: wherein each of R1, R2, and R3 independently represents hydrogen, alkyl, aryl, acyl, sulfonyl, or silyl; P represents hydrogen or a hydroxy protective group. This compound may be used an intermediate for making a 2-deoxy-2,2-difluoro-D-ribofuranosyl nucleosides, such as gemcitabine.
    Type: Grant
    Filed: August 31, 2009
    Date of Patent: May 1, 2012
    Assignee: ScnioPharm Taiwan Ltd.
    Inventors: Julian Paul Henschke, Yung Fa Chen, George Charles Schloemer