Patents by Inventor James Leresche

James Leresche 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 for preparing 1-( 6-methylpyridin-3-yl)-2-[4- (methylsulfonyl)phenyl]ethanone
    Publication number: 20050159458
    Abstract: A four-step process for preparing 1-(6-methylpyridin-3-yl)-2-[4-(methylsulfonyl)phenyl]ethanone of the formula: starting from 2-methyl-5-ethylpyridine. 1-(6-Methylpyridin-3yl)-2-[4-(methylsulfonyl)phenyl]ethanone is an intermediate for preparing inhibitors.
    Type: Application
    Filed: January 6, 2005
    Publication date: July 21, 2005
    Inventors: David Kuo, James Leresche, Ralf Proplesch, Jean-Paul Roduit, Yves Bessard, Erich Armbruster