Patents by Inventor David Ach

David Ach 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 2-methyl-1-(2-methylpropyl)-1-imidazo[4,5-][1,5]naphthyridin-4-amine
    Patent number: 8436176
    Abstract: The invention provides various processes for preparing 2-methyl-1-(2-methylpropyl)-1H-imidazo[4,5-c][1,5]naphthyridin-4-amine.
    Type: Grant
    Filed: December 18, 2005
    Date of Patent: May 7, 2013
    Assignee: Medicis Pharmaceutical Corporation
    Inventors: Hughes Martin, David Ach, Clement Toussaint, Fabrice Dubois
  • Polymorphs of 1-(2-Methylpropyl)-1H-Imidazo[4,5-C][1,5]Naphthyridin-4-Amine Ethane-Sulfonate
    Publication number: 20090124652
    Abstract: The invention provides various crystalline forms of 1-(2-methylpropyl)-1H-imidazo[4,5-c][1,5]naphthyridin-4-amine ethanesulfonate, pharmaceutical compositions, methods of making, and methods of use.
    Type: Application
    Filed: December 28, 2005
    Publication date: May 14, 2009
    Inventors: David Ach, Hughes Martin, Anna Van, Joel R. Jacobson, Junshi Y. Wu, Kyle J. Lindstrom, Tai T. Tran, Myles L. Brostrom, Michael J. Rice, Raymond D. Skwierczynski
  • Process for Preparing 2-Methyl-1-(2-Methylpropyl)-1H-Imidazo[4,5-C][1,5]Naphthyridin-4-Amine
    Publication number: 20080306266
    Abstract: The invention provides various processes for preparing 2-methyl-1-(2-methylpropyl)-1H-imidazo[4,5-c][1,5]naphthyridin-4-amine.
    Type: Application
    Filed: December 18, 2005
    Publication date: December 11, 2008
    Inventors: Hugues Martin, David Ach, Clement Toussaint, Fabrice Dubois