Patents by Inventor Wolfgang Heidt

Wolfgang Heidt 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).

  • Dibenzo(de,g)quinolines
    Patent number: 4461895
    Abstract: The present invention provides dibenzo(de,g)quinoline derivatives of the general formula: ##STR1## wherein R is an unsaturated aliphatic hydrocarbon radical containing up to 6 carbon atoms or a cycloalkylalkyl radical containing 4 to 6 carbon atoms; and the pharmacologically acceptable salts thereof.The present invention also provides processes for the preparation of these compounds and pharmaceutical compositions containing them. Furthermore, the present invention is concerned with the use of these compounds for combating colds and allergies.
    Type: Grant
    Filed: May 7, 1982
    Date of Patent: July 24, 1984
    Assignee: Warner-Lambert Company
    Inventors: Edgar Fritschi, Johannes Hartenstein, Wolfgang Heidt, Gerhard Satzinger