Patents by Inventor Karl-Georg Ruppersberger

Karl-Georg Ruppersberger 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).

  • Copper-containing agent for controlling fungi and bacteria
    Patent number: 5242685
    Abstract: Agents for controlling fungi or bacteria, based on an aqueous solution which contains a polycarboxylic acid, ammonia and more than 10% of copper, and a process for their preparation.
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: September 7, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl-Georg Ruppersberger, Gregor Ley