Patents by Inventor Andre Pullen

Andre Pullen 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).

  • Patent number: 5869094
    Abstract: A solid form of oral administration of isosorbide 5-mononitrate with a controlled, pH-independent release of the active substance in the gastro-intestinal tract is constituted by a pellet coated with a depot layer and a release prolonging lacquer layer. The lacquer layer contains ethyl cellulose and polymethacrylate in a weight ratio from 3:1 to 3:2. The new form of administration is characterized in that it is less costly to produce.
    Type: Grant
    Filed: January 24, 1997
    Date of Patent: February 9, 1999
    Assignee: BYK Gulden Lomberg Chemische Fabrik GmbH
    Inventors: Cornelia Alida Maria Van Egmond, Andre Pullen, Sibo Wytse De Jong, Adrianus Petrus De Jong, Jan Bron