Patents by Inventor Patrick Missiaen

Patrick Missiaen 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 storage-stable benzothiazolyl sulfenamides
    Publication number: 20040167340
    Abstract: The present invention provides a process for preparing benzothiazolyl sulfenamides by reacting primary amines with alkali metal salts of mercaptobenzthiazole in the presence of hydrogen peroxide and alkali metal hypochlorite. The process according to the present invention is characterized by high rates of conversion, wherein the benzothiazolyl sulfenamides obtained are obtained with high purity, in high yields and with high storage-stability, even at elevated temperatures and high humidity.
    Type: Application
    Filed: February 13, 2004
    Publication date: August 26, 2004
    Inventors: Stefan Grabowski, Leon Felix, Domien Sluyts, Patrick Missiaen, Reinhard Preuss