Patents by Inventor Klaus Adelsberger

Klaus Adelsberger 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).

  • Production of hexamethylenimine
    Patent number: 4229346
    Abstract: Hexamethylenimine (azocycloheptane) is produced from hexamethylenediamine by elimination of ammonia in a high-boiling solvent at a low concentration of hexamethyleneimine.
    Type: Grant
    Filed: March 7, 1975
    Date of Patent: October 21, 1980
    Assignee: BASF Aktiengesellschaft
    Inventors: Herbert Toussaint, Klaus Adelsberger, Herwig Hoffmann