Patents by Inventor Patrick Christiaens

Patrick Christiaens 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).

  • Method for the production of tetramethylthiuram disulfide
    Patent number: 6420602
    Abstract: The present invention relates to a novel method for the production of tetramethylthiuram disulfide, in which dimethylammonium dimethyldithiocarbamate is oxidized in aqueous solution with oxygen, in the presence of carbon disulfide and a lignosulfonate.
    Type: Grant
    Filed: October 26, 2001
    Date of Patent: July 16, 2002
    Assignee: UCB, S.A.
    Inventors: Guido Matthijs, Patrick Christiaens, August Van Gysel