Patents by Inventor Margaretha van der Mey

Margaretha van der Mey 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).

  • Dihydrobenzofurans
    Patent number: 6380196
    Abstract: Compounds of formula I, wherein Het represents a heterocycle having the meaning and R1, R2, R3 and R4 have the meanings as given in the description are novel effective bronchial therapeutics.
    Type: Grant
    Filed: August 3, 2000
    Date of Patent: April 30, 2002
    Assignee: Byk Gulden Lomberg Chemische Fabrik GmbH
    Inventors: Wolf-Rüdiger Ulrich, Geert Jan Sterk, Margaretha van der Mey
  • Phthalazinone PDE III/IV inhibitors
    Patent number: 6255303
    Abstract: The compounds of formula (I) in which R1, R2, R3, R4, R5, X and Y have the meanings as given in the description are novel effective bronchial therapeutica.
    Type: Grant
    Filed: September 13, 2000
    Date of Patent: July 3, 2001
    Assignee: Byk Gulden Lomberg Chemische Fabrik GmbH
    Inventors: Geert Jan Sterk, Margaretha van der Mey