Patents by Inventor Reimer Collin

Reimer Collin 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 4-fluoro-3-phenoxy-toluene
    Patent number: 4266082
    Abstract: A process for the preparation of 4-fluoro-3-phenoxy-toluene of the formula ##STR1## comprising reacting 3-bromo-4-fluoro-toluene, of the formula ##STR2## with potassium phenolate, or with sodium phenolate in the presence of a potassium salt, in a diluent in the presence of copper as catalyst at a temperature between about 120.degree. and 180.degree. C.
    Type: Grant
    Filed: August 17, 1979
    Date of Patent: May 5, 1981
    Assignee: Bayer Aktiengesellschaft
    Inventors: Reimer Collin, Hans-Joachim Diehr, Uwe Friesnitz