Patents by Inventor Alfred Elisabeth Stappers

Alfred Elisabeth Stappers 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).

  • SALT OF 4-[[4-[[4-(2-CYANOETHENYL)-2,6-DIMETHYLPHENYL]AMINO]-2-PYRIMIDINYL]AMINO]BENZONITRILE
    Publication number: 20090012108
    Abstract: The present invention relates to a pharmaceutical composition comprising as active ingredient the hydrochloric acid salt of 4-[[4-[[4-(2-cyanoethenyl)-2,6-dimethyl-phenyl]amino]-2-pyrimidinyl]amino]benzonitrile and to processes for their preparation.
    Type: Application
    Filed: July 7, 2008
    Publication date: January 8, 2009
    Inventors: Jerome Emile Guillemont, Paul Theodoor Agnes Stevens, Alex Herman Copmans, Jozef Peeters, Alfred Elisabeth Stappers, Roger Petrus Gerebern Vandecruys, Paul Stoffels
  • Process for Preparing 4-[(1,6-Dihydro-6-Oxo-2-Pyrimidinyl)Amino]Benzonitrile
    Publication number: 20080171878
    Abstract: This invention relates to a process for preparing 4-[(1,6-dihydro-6-oxo-2-pyrimidinyl)-amino]benzonitrile (I) starting from a 4-oxo-1,6-dihydro-pyrimidinylcarboxylic acid ester (II) or starting from a guanidine derivative which is reacted with an alkoxy-methylene malonic acid ester to an ester (II) which is converted to (I), which reaction sequence may be a one-pot procedure.
    Type: Application
    Filed: May 24, 2006
    Publication date: July 17, 2008
    Inventors: Didier Philippe Robert Schils, Alfred Elisabeth Stappers