Patents by Inventor Douglas C. Kriesel

Douglas C. Kriesel 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).

  • Erythromycin base tablets
    Patent number: 4340582
    Abstract: An enteric coated erythromycin tablet is provided that produces essentially the same blood levels in fasting and nonfasting subjects. The tablet contains erythromycin base dihydrate and a highly water-soluble nontoxic salt in the core and the coating polymer is a hydroxypropyl methylcellulose phthalate.
    Type: Grant
    Filed: January 15, 1981
    Date of Patent: July 20, 1982
    Assignee: Abbott Laboratories
    Inventors: Douglas C. Kriesel, Shashi P. Mehta