Patents by Inventor Gabriele Unger

Gabriele Unger 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).

  • Preparation of iron pentacarbonyl
    Patent number: 7335343
    Abstract: Iron pentacarbonyl is prepared by reacting iron with carbon monoxide in suspension and in the presence of a mixture of alkali metal sulfide and sulfur as a catalyst.
    Type: Grant
    Filed: November 22, 2004
    Date of Patent: February 26, 2008
    Assignee: Basf Aktiengesellschaft
    Inventors: Gabriele Unger, Hendrik Schönfelder, Otto Watzenberger, Hans-Josef Sterzel, Klaus Kühling
  • Preparation of iron pentacarbonyl
    Patent number: 7276220
    Abstract: Iron pentacarbonyl is prepared by reacting iron with carbon monoxide in suspension and in the presence of a polysulfide of the general formula RSxR? as a catalyst, where R is an organic radical and x is a number from 2 to 8.
    Type: Grant
    Filed: November 22, 2004
    Date of Patent: October 2, 2007
    Assignee: BASF Aktiengesellschaft
    Inventors: Gabriele Unger, Hendrik Schönfelder, Otto Watzenberger, Hans-Josef Sterzel, Klaus Kühling
  • Preparation of iron pentacarbonyl
    Publication number: 20050135987
    Abstract: Iron pentacarbonyl is prepared by reacting iron with carbon monoxide in suspension and in the presence of a polysulfide of the general formula RSxR? as a catalyst, where R is an organic radical and x is a number from 2 to 8.
    Type: Application
    Filed: November 22, 2004
    Publication date: June 23, 2005
    Inventors: Gabriele Unger, Hendrik Schonfelder, Otto Watzenberger, Hans-Josef Sterzel, Klaus Kuhling
  • Preparation of iron pentacarbonyl
    Publication number: 20050129605
    Abstract: Iron pentacarbonyl is prepared by reacting iron with carbon monoxide in suspension and in the presence of a mixture of alkali metal sulfide and sulfur as a catalyst.
    Type: Application
    Filed: November 22, 2004
    Publication date: June 16, 2005
    Inventors: Gabriele Unger, Hendrik Schonfelder, Otto Watzenberger, Hans-Josef Sterzel, Klaus Kuhling