Patents by Inventor Hans Jochen Mercker

Hans Jochen Mercker 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).

  • Catalyst for dehydrogenating 1,4-butanediol to .gamma.-butyrolactone
    Patent number: 6093677
    Abstract: A process for dehydrogenating 1,4-butanediol to .gamma.-butyrolactone in the gas phase in the presence of a copper-containing catalyst, wherein the catalyst contains 4-40% by weight of copper and 0-5% by weight of Na.sub.2 O, based on the total weight of the catalyst, on a carrier consisting of 80-100% by weight of SiO.sub.2 and 0-20% by weight of CaO.
    Type: Grant
    Filed: June 2, 1999
    Date of Patent: July 25, 2000
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans Jochen Mercker, Frank-Friedrich Pape, Joachim Simon, Andreas Henne, Michael Hesse, Ulrich Kohler, Roman Dostalek, Cristina Freire Erdbrugger, Detlef Kratz
  • Dehydrogenation of 1,4-butanediol to .gamma.-butyrolactone
    Patent number: 5955620
    Abstract: A process for dehydrogenating 1,4-butanediol to .gamma.-butyrolactone in the gas phase in the presence of a copper-containing catalyst, wherein the catalyst contains 4-40% by weight of copper and 0-5% by weight of Na.sub.2 O, based on the total weight of the catalyst, on a carrier consisting of 80-100% by weight of SiO.sub.2 and 0-20% by weight of CaO.
    Type: Grant
    Filed: September 4, 1997
    Date of Patent: September 21, 1999
    Assignee: BASF Aktiengesellschaft
    Inventors: Hans Jochen Mercker, Frank-Friedrich Pape, Joachim Simon, Andreas Henne, Michael Hesse, Ulrich Kohler, Roman Dostalek, Cristina Freire Erdbrugger, Detlef Kratz