Patents by Inventor Douglas S. Beyerle

Douglas S. Beyerle 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).

  • Heat stable antacid and antigas suspensions
    Publication number: 20030215525
    Abstract: The invention relates to heat stable liquid antacid and/or antigas preparations capable of being pasteurized in the temperature range of 60-100° C. comprising one or more acid neutralizing and/or antigas compounds in an aqueous liquid suspension consisting essentially of hydroxyethylcellulose as a suspending agent.
    Type: Application
    Filed: November 26, 2002
    Publication date: November 20, 2003
    Inventors: Douglas S. Beyerle, John J. Dubek, Gerard P. McNally, Donald L. Hasenmayer, John Case, Abbie Gentry, Indu G. Shah
  • Liquid antacid compositions
    Patent number: 5976578
    Abstract: Liquid antacid compositions containing a tri- or di-ester buffer have a reduced final product pH providing for a more efficacious preservative system and better tasting product without compromising to acid neutralization capacity of the antacid.
    Type: Grant
    Filed: September 17, 1997
    Date of Patent: November 2, 1999
    Assignee: McNeil-PPC, Inc.
    Inventors: Douglas S. Beyerle, John Case, Gerard P. McNally, Frank Hatch
  • Aqueous antacids with calcium carbonate and magnesium salt
    Patent number: 5631026
    Abstract: The present invention relates to an aqueous pharmaceutical suspension for oral use, and a method of preparation, having antacid and antiulcer properties which contains a therapeutically effective amount of calcium carbonate in combination with magnesium carbonate and/or magnesium trisilicate and a carboxylic acid pH adjusting agent.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: May 20, 1997
    Assignee: McNeil-PPC, Inc.
    Inventors: Douglas S. Beyerle, Gerard P. McNally
  • Aqueous antacids with calcium carbonate and magnesium salt
    Patent number: 5455050
    Abstract: The present invention relates to an aqueous pharmaceutical suspension for oral use, and a method of preparation, having antacid and antiulcer properties which contains a therapeutically effective amount of calcium carbonate in combination with magnesium carbonate and/or magnesium trisilicate and a carboxylic acid pH adjusting agent.
    Type: Grant
    Filed: November 12, 1993
    Date of Patent: October 3, 1995
    Assignee: McNeil-PPC, Inc.
    Inventors: Douglas S. Beyerle, Gerard P. McNally