Patents by Inventor Richard H. Barry

Richard H. Barry 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).

  • Methoxsalen dosage forms
    Patent number: 4454152
    Abstract: This invention relates to oral dosage forms wherein the active ingredient, methoxsalen, is dispersed in a water-soluble composition containing a polyethylene glycol or mixtures of polyethylene glycols. Dissolution of methoxsalen in gastrointestinal fluids as well as drug absorption are more rapid and higher blood level patterns are achieved with these dosage forms as compared to conventional encapsulated dosage forms.
    Type: Grant
    Filed: December 21, 1981
    Date of Patent: June 12, 1984
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Richard H. Barry, Jack H. Lazarus