Patents by Inventor Franz J. Kohler

Franz J. Kohler 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).

  • Water soluble 3,5-diacetamido-2,4,6-triiodobenzoic acid derivatives
    Patent number: 4607123
    Abstract: The invention relates to novel water soluble 3,5-diacetamido-2,4,6-triiodobenzoic acid derivatives, the method for making the same and their use as X-ray contrast agents for vasography, urography, myelography, artrography, fistulography and salpingography.
    Type: Grant
    Filed: February 12, 1985
    Date of Patent: August 19, 1986
    Assignee: Dr. Franz Kohler Chemie GmbH
    Inventors: Dan-Karl Schuster, Franz J. Kohler