Patents by Inventor Francois Tropper

Francois Tropper 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 swainsonine salts
    Patent number: 6051711
    Abstract: A method for synthesizing swainsonine salts and intermediates thereof comprising subjecting a compound of the formula I ##STR1## wherein R.sup.2 and R.sup.2' are the same or different and represent alkyl, halogen, alkenyl, alkoxy, cycloalkyl or aryl which may be substituted, to acid hydrolysis in the presence of a C.sub.1-4 alkanol to obtain a crystalline salt of swainsonine; and optionally, recrystallizing the swainsonine salt from a C.sub.1-4 alkanol. The reaction may be used in combination with one or more additional reaction steps.
    Type: Grant
    Filed: October 23, 1998
    Date of Patent: April 18, 2000
    Assignee: GLYCODesign Inc.
    Inventors: Francois Tropper, Rajan N. Shah, Pradeep Sharma
  • 3, 5, and/or 6 substituted analogues of swainsonine processes for their preparation and their use as therapeutic agents
    Patent number: 6048870
    Abstract: The invention relates to novel 3, 5, and/or 6 swainsonine analogues, processes for their preparation and their use as therapeutic agents. The invention also relates to pharmaceutical compositions containing the compounds and their use as therapeutics.
    Type: Grant
    Filed: October 1, 1997
    Date of Patent: April 11, 2000
    Assignee: GlycoDesign
    Inventors: Rajan Shah, Jeremy Carver, Jose Marino-Albernas, Igor Tvaroska, Francois Tropper, James Dennis