Patents Assigned to Solvay & Cie, S.A. (Societe Anonyme)
  • Bilayered oral pharmaceutical composition with pH dependent release
    Patent number: 5316772
    Abstract: An oral pharmaceutical composition comprises a core containing a drug, a first inner layer coating on the core which contains a drug, and a second inner layer coating on the first inner layer coating which also contains drug. This oral pharmaceutical composition is used especially for treating intestinal diseases.
    Type: Grant
    Filed: December 2, 1991
    Date of Patent: May 31, 1994
    Assignee: Solvay & Cie, S.A. (Societe Anonyme)
    Inventors: Raymond W. Jurgens, Jr., Roger D. Graben, Adnan S. Sabir