Patents by Inventor Karl-Heinz Gruendler

Karl-Heinz Gruendler 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).

  • Patent number: 4436833
    Abstract: A process for the preparation of methanol by reacting a gaseous mixture of carbon monoxide, carbon dioxide and hydrogen at an elevated temperature and under superatmospheric pressure over a catalyst which contains zinc, copper and aluminum, the catalyst being prepared from a co-crystalline material of the formulaCu.sub.2.2 Zn.sub.2.8 (OH).sub.6 (CO.sub.3).sub.2,containing aluminum hydroxide as a structual promoter, by calcination and reduction at from to C. The novel catalyst has the advantage of giving a substantially increased space-time yield and having a longer life.
    Type: Grant
    Filed: March 25, 1983
    Date of Patent: March 13, 1984
    Assignee: BASF Aktiengesellschaft
    Inventors: Franz J. Broecker, Karl-Heinz Gruendler, Laszlo Marosi, Matthias Schwarzmann, Bruno Triebskorn, Guenter Zirker