Patents by Inventor Josef Steber

Josef Steber 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).

  • Derivative of aminosuccinic acid as a complexing agent
    Patent number: 5318726
    Abstract: 3-Hydroxy-2,2'-iminodisuccinic acid, water soluble salts thereof, a process for their preparation, and their use as biodegradable complexing agents in detergents.
    Type: Grant
    Filed: February 2, 1993
    Date of Patent: June 7, 1994
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Henry Rossmaier, Helmut Blum, Josef Steber, Hans-Juergen Riebe