Patents by Inventor Daniel A. Kubert

Daniel A. Kubert 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).

  • Stabilization of enteric coated dosage form
    Patent number: 5068110
    Abstract: The present invention is a stabilized enteric-coated pharmaceutical dosage form and processes for the preparation thereof. Dissolution stability after storage of the dosage form under high stress conditions is improved by an enteric-coated dosage form having an enteric coating wherein the coating is of the acrylic resin kind of from 14 mg/cm.sup.2 to 24 mg/cm.sup.2 or an enteric coating wherein the coating is of the acetate kind of from 14 mg/cm.sup.2 to 24 mg/cm.sup.2 and having a second coating of hydrophilic coating for example, hydroxypropyl cellulose, hydroxymethyl cellulose or hydroxypropylmethyl cellulose.
    Type: Grant
    Filed: July 14, 1989
    Date of Patent: November 26, 1991
    Assignee: Warner-Lambert Company
    Inventors: Mahdi B. Fawzi, Daniel A. Kubert, Kuchi S. Murthy