Patents by Inventor Arthur H. Schmidt

Arthur H. Schmidt 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).

  • Process for preparing sulfonic acid fluorides
    Patent number: 4060549
    Abstract: Sulfonic acid fluorides are prepared by reacting sulfonic acid halides with inorganic fluorides in an organic-aqueous phase. The reaction is carried out in the presence of catalytic amounts of an amine or an onium salt.
    Type: Grant
    Filed: March 4, 1976
    Date of Patent: November 29, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Arthur H. Schmidt, Reinhard Lantzsch, Albrecht Marhold, Klaus-Friedrich Lehment, Adolf Staffe