Patents by Inventor Walter Rottig

Walter Rottig 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: 4199523
    Abstract: There is disclosed a method for the production of hydrocarbon mixtures containing at least 50% by weight of C.sub.2 to C.sub.4 hydrocarbons and at least 50% by weight of olefins by catalytic hydrogenation of carbon monoxide in fixed-bed reactors under certain particular conditions which are necessary for the production of the aforementioned hydrocarbons.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: April 22, 1980
    Assignee: Ruhrchemie Aktiengesellschaft
    Inventor: Walter Rottig
  • Patent number: 4094914
    Abstract: Divalent alcohols are produced by catalytic hydrogenation of a mixture comprising 20 to 40% of the corresponding hydroxyaldehyde and an organic compound. The organic compound is a solvent for and has a lower boiling point than the divalent alcohol.
    Type: Grant
    Filed: May 12, 1976
    Date of Patent: June 13, 1978
    Assignee: Ruhrchemie Aktiengesellschaft
    Inventors: Walter Rottig, Hans Tummes, Boy Cornils, Jurgen Weber