Patents by Inventor Günther Karl Staudinger

Günther Karl Staudinger 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 ring cleavage of thiazolidine derivatives
    Patent number: 6372912
    Abstract: Process for the hydrolytic ring cleavage of thiazolidine derivatives to give 2-aminomercaptan derivatives and carbonyl compounds, which comprises bringing an aqueous solution of the thiazolidine derivative into contact with an acidic cation exchanger in the H+ form, giving a solution L1 which contains the carbonyl compound and eluting the cation exchanger with a suitable eluent, giving a solution L2 which contains the 2-aminomercaptan derivative.
    Type: Grant
    Filed: April 5, 2000
    Date of Patent: April 16, 2002
    Assignee: Consortium fur Elektrochemische Industrie GmbH
    Inventors: Wolfgang Döring, Günther Karl Staudinger