Patents by Inventor Werner Pignat

Werner Pignat 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).

  • Pharmaceutical preparations for topical application and their use in the treatment of inflammatory skin diseases
    Patent number: 4975466
    Abstract: Pharmaceutical preparations for topical, i.e. dermal, application that contain as active ingredient a compound of the formula I ##STR1## especially 2-hydroxy-5-[(RS)-1-hydroxy-2-[[(RS)-1-(p-methoxyphenyl)-prop-2-yl]-amino] -ethyl]-formanilide (formoterol), or one of its pharmaceutically acceptable salts, especially its semifumarate, are proposed for the treatment of inflammatory skin diseases.
    Type: Grant
    Filed: December 7, 1988
    Date of Patent: December 4, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Irmgard Bottcher, Werner Pignat