Patents by Inventor Joerg Helling

Joerg Helling 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 electrolytically producing metal-amalgam
    Patent number: 6294070
    Abstract: A process for electrolytically producing an amalgam from metal salt, using an anion exchanger membrane. The chlorine-free process provides amalgam produced from metal salt and having a high degree of purity, and ensures advantageous parameters, such as a low cell voltage and high current efficiencies.
    Type: Grant
    Filed: March 19, 1999
    Date of Patent: September 25, 2001
    Assignee: Degussa-Huels Aktiengesellschaft
    Inventors: Carl Heinz Hamann, Peter Schmittinger, Joerg Helling
  • Process for preparing alkali metal alkoxides of higher alcohols
    Patent number: 6191319
    Abstract: A process for preparing alkali metal alkoxides of alcohols comprising reacting an alkali metal amalgam with an alcohol having at least 3 carbon atoms in the presence of a powder catalyst comprising a transition metal carbide, nitride or carbonitride, to form a reaction mixture, wherein the reaction mixture is subjected to ultrasound during reaction.
    Type: Grant
    Filed: December 10, 1999
    Date of Patent: February 20, 2001
    Assignee: Degussa-Huels Aktiengesellschaft
    Inventors: Carl Heinz Hamann, Jörg Helling, Peter Schmittinger
  • Method for removing traces of heavy metals from concentrated alkali metal chloride solutions down into the range of 0.01 ppm
    Patent number: 5935546
    Abstract: A method is provided for removing traces of heavy metals from concentrated alkali metal chloride solutions down into the range of 0.01 ppm by coprecipitation from an acidic concentrated alkali metal chloride solution with iron oxide hydrate.
    Type: Grant
    Filed: September 15, 1997
    Date of Patent: August 10, 1999
    Assignee: Huels Aktiengesellschaft
    Inventors: Carl Heinz Hamann, Peter Schmittinger, Joerg Helling, Stefan Scholz