Patents by Inventor Maryann Mench

Maryann Mench 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).

  • Coated dosage forms
    Patent number: 4786508
    Abstract: Aqueous solutions of certain cationic (meth)acrylic ester copolymers can be used to coat dosage forms to taste- and odor-mask bio-active agents therein. Pellets are highly preferred dosage forms.
    Type: Grant
    Filed: May 30, 1986
    Date of Patent: November 22, 1988
    Assignee: Warner-Lambert Company
    Inventors: Isaac Ghebre-Sellassie, Robert Gordon, Maryann Mench, Russell U. Nesbitt, Jr., Mary E. Trapold