Patents by Inventor Bruce P. Smith

Bruce P. Smith 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).

  • Translucent antacid suspension containing co-dried dihydroxy aluminum sodium carbonate
    Patent number: 6110505
    Abstract: The invention provides an essentially translucent liquid antacid composition with dihydroxyaluminum sodium carbonate (DASC) as the active ingredient. The DASC is prepared by co-drying DASC with a polyol, and the resulting co-dried DASC/polyol is mixed with water to form the liquid composition. The antacid composition preferably contains additional polyol to further improve the translucency of the liquid composition.
    Type: Grant
    Filed: April 1, 1997
    Date of Patent: August 29, 2000
    Assignee: McNeil PPC Inc.
    Inventors: Bruce P. Smith, John J. Dubek, Gerard P. McNally
  • Liquid antacid compositions
    Patent number: 5914135
    Abstract: Calcium carbonate liquid antacid compositions containing one or more pH adjusting agents to maintain the pH above 9.0, preferably above 9.5. The resultant antacid liquid possesses superior resistance to microbial attack and enhanced taste properties.
    Type: Grant
    Filed: April 16, 1997
    Date of Patent: June 22, 1999
    Assignee: McNeil-PPC, Inc.
    Inventors: John J. Dubek, Gerard P. McNally, Bruce P. Smith