Patents by Inventor Gerhard Schmeling

Gerhard Schmeling 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).

  • Method for the continuous preparation of alcoholates
    Patent number: 4327230
    Abstract: A process for the continuous production of an alkali metal alcoholate of a higher alcohol which comprises continuously introducing a higher alcohol into a reaction vessel, continuously introducing an alkali metal alcoholate of a lower alcohol into said reaction vessel and continuously and simultaneously distilling over and removing from said reaction vessel lower alcohol which forms.
    Type: Grant
    Filed: March 10, 1980
    Date of Patent: April 27, 1982
    Assignee: Dynamit Nobel AG
    Inventors: Otto Ackermann, Hans Leuck, Gunther Meyer, Gerhard Schmeling
  • Process for obtaining D(-)-and L(+)-.alpha.-azidophenylacetic acid
    Patent number: 3941814
    Abstract: L(+)- or D(-)-.alpha.-azidophenylacetic acid is produced by a process which involves the steps of reacting a water-soluble salt of DL-.alpha.-azidophenylacetic acid with a water-soluble salt of an optically active .alpha.-phenylethylamine in an aqueous medium, effecting crystallization of the resulting reaction product, that is, the diastereomeric salt, and splitting of the thus-obtained salt.
    Type: Grant
    Filed: July 29, 1974
    Date of Patent: March 2, 1976
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Gunter Bison, Hans Schubel, Gerhard Schmeling