Patents by Inventor Karl L. Weber

Karl L. Weber 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).

  • Trisodium salt of 2,4,6-trisodium mercapto-s-triazine monohydrate and method for its preparation
    Patent number: 4849517
    Abstract: The trisodium salt of 2,4,6-trimercapto-s-triazine non-ahydrate (TMT-Na.sub.3 9H.sub.2 O) is prepared by reacting cyanuric chloride with NaHS and NaOH or with amixture of NaHS and Na.sub.2 S and NaOH in an alkaline, aqueous medium.
    Type: Grant
    Filed: August 26, 1988
    Date of Patent: July 18, 1989
    Assignee: Degussa Aktiengesellschaft
    Inventors: Karl L. Weber, Edwin van Raemdonck, Klaus Stutzel, Marcel Vingerhoets