Patents by Inventor Ekkehard Krass

Ekkehard Krass 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).

  • Substituted oxocarboxylic acids, processes for their preparation, their use and medicaments containing them
    Patent number: 4334089
    Abstract: Substituted oxocarboxylic acids of the formula I ##STR1## wherein R.sup.1 denotes a hydrogen atom, a halogen atom, a hydroxyl group, a lower alkyl group, a lower alkoxy group or a trifluoromethyl group,R.sup.2 denotes a hydrogen atom or a halogen atom and n denotes an integer from 3 to 8,and their salts display a hypoglycaemic action in warm-blooded animals. Processes for the preparation of the new compounds and of the intermediate products required for their preparation, as well as of the corresponding medicaments are described.
    Type: Grant
    Filed: June 29, 1981
    Date of Patent: June 8, 1982
    Assignee: Byk Gulden Lomberg Chemische Fabrik Gesellschaft
    Inventors: Ekkehard Krass, Horst Wolf