Patents by Inventor Dieter Landau

Dieter Landau 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 a 1,1,1-trifluoro-2-aminoalkane
    Patent number: 6166259
    Abstract: The invention relates to a process for the preparation of a 1,1,1-trifluoro-2-aminoalkane of formula I ##STR1## wherein R.sup.1 represents an optionally substituted alkyl group; which comprises heating a mixture consisting essentially of a compound of formula II ##STR2## wherein R.sup.1 has the meaning given, and R.sup.2 represents an optionally substituted aryl group, a primary amine, and optionally a base and/or an inert diluent, whereby the compound of formula I is removed by distillation during the heating procedure.
    Type: Grant
    Filed: March 28, 2000
    Date of Patent: December 26, 2000
    Assignee: American Cyanamid Company
    Inventors: Rudi Eisenacht, Hans-Peter Niedermann, Dieter Landau