Patents by Inventor Derek Andrew Pflum

Derek Andrew Pflum 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).

  • C1-Symmetric Bisphospine Ligands and Their Use in the Asymmetric Synthesis of Pregabalin
    Publication number: 20090124820
    Abstract: Materials and Methods for preparing (S)-(+)-3-(aminomethyl)-5-methyl-hexanoic acid and structurally related compounds via enantioselective hydrogenation of prochiral olefins are disclosed. The methods employ novel chiral catalysts, which include C1-symmetric bisphosphine ligands bound to transition metals.
    Type: Application
    Filed: January 14, 2009
    Publication date: May 14, 2009
    Inventors: Jian Bao, Vladimir G. Beylin, Derek Greene, Garrett S. Hoge, William Kissel, Mark Eugene Marlatt, Derek Andrew Pflum, He-Ping Wu
  • Heterocyclic substituted piperazines for the treatment of schizophrenia
    Publication number: 20040138230
    Abstract: This invention relates to compounds of the formula 1 1
    Type: Application
    Filed: September 12, 2003
    Publication date: July 15, 2004
    Inventors: Tonja Lynn Andreana, Stephen Sung Yong Cho, James M. Graham, Tracy Fay Gregory, Harry Ralph Howard, Brian Edward Kornberg, Sham Shridhar Nikam, Derek Andrew Pflum