Patents by Inventor Joachim Repplinger

Joachim Repplinger 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).

  • Copper-N-methylpyrrolidone catalyst useful in the production of nitrodiphenyl amines
    Patent number: 4122118
    Abstract: Catalyst consisting of a reaction product of a copper compound with N-methyl-pyrrolidone which accelerates the reaction of nitrochlorobenzenes with aromatic amines.
    Type: Grant
    Filed: July 22, 1977
    Date of Patent: October 24, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Joachim George, Joachim Repplinger