Patents by Inventor Louis F. D'Andrea

Louis F. D'Andrea 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).

  • Enteric film-coating compositions
    Patent number: 4704295
    Abstract: A non-toxic edible enteric film coating dry powder and aqueous enteric coating suspension for coating pharmaceutical tablets and the like; the enteric coated tablets; and methods of making the enteric coating dry powder, the aqueous coating suspension, and of coating the tablets.
    Type: Grant
    Filed: August 30, 1985
    Date of Patent: November 3, 1987
    Assignee: Colorcon, Inc.
    Inventors: Stuart C. Porter, Edward J. Woznicki, Susan M. Grillo, Louis F. D'Andrea
  • Enteric film-coating compositions
    Patent number: 4556552
    Abstract: A non-toxic edible enteric film coating dry powder and aqueous enteric coating suspension for coating pharmaceutical tablets and the like; the enteric coated tablets; and methods of making the enteric coating dry powder, the aqueous coating suspension, and of coating the tablets.
    Type: Grant
    Filed: September 19, 1983
    Date of Patent: December 3, 1985
    Assignee: Colorcon, Inc.
    Inventors: Stuart C. Porter, Edward J. Woznicki, Susan M. Grillo, Louis F. D'Andrea