Patents by Inventor Walter Lemmin

Walter Lemmin 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 the production of Bis-DMTD
    Publication number: 20060168741
    Abstract: The present invention concerns a new improved process for the production of Bis-DMTD (5,5?-dithiobis-(1,3,4-thiadiazole-2-thiol)).
    Type: Application
    Filed: January 4, 2006
    Publication date: August 3, 2006
    Inventors: Wilhelm Laufer, Michael Wuehr, Patrick Galda, Walter Lemmin