Patents by Inventor Bruce A. Bonenberger

Bruce A. Bonenberger 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).

  • Direct compression cholestyramine tablet and solvent-free coating therefor
    Patent number: 5455047
    Abstract: A directly compressed cholestyramine tablet with a solvent-free coating is disclosed. The inner core of the tablet is made up of cholestyramine agglomerates consisting of numerous small, irregularly-shaped, jagged-edged fragments having relatively few smooth or flat surfaces with a moisture content ranging from about 8 to 14 percent by weight. A process is also disclosed for preparing cholestyramine agglomerates of the invention. The solvent-free coating comprises from about 60 percent to about 95 percent by weight of stearic acid and from about 5 percent to about 40 percent of polyethylene glycol.
    Type: Grant
    Filed: June 15, 1994
    Date of Patent: October 3, 1995
    Assignee: Bristol-Myers Squibb Company
    Inventors: Robert J. Bequette, Bruce A. Bonenberger, Claude E. Gallian, John R. Reckelhoff
  • Direct compression cholestyramine tablet and solvent-free coating thereof
    Patent number: 5372823
    Abstract: A directly compressed cholestyramine tablet with a solvent-free coating is disclosed. The inner core of the tablet is made up of cholestyramine agglomerates consisting of numerous small, irregularly-shaped, jagged-edged fragments having relatively few smooth or flat surfaces with a moisture content ranging from about 8 to 14 percent by weight. A process is also disclosed for preparing cholestyramine agglomerates of the invention. The solvent-free coating comprises from about 60 percent to about 95 percent by weight of stearic acid and from about 5 percent to about 40 percent of polyethylene glycol.
    Type: Grant
    Filed: October 22, 1992
    Date of Patent: December 13, 1994
    Assignee: Bristol-Myers Squibb Company
    Inventors: Robert J. Bequette, Bruce A. Bonenberger, Claude E. Gallian, John R. Reckelhoff
  • Direct compression cholestyramine tablet and solvent-free coating therefor
    Patent number: 4956182
    Abstract: A directly compressed cholestyramine tablet with a solvent-free coating is disclosed. The inner core of the tablet is made up of cholestyramine agglomerates consisting of numerous small, irregularly-shaped, jagged-edged fragments having relatively few smooth or flat surfaces with a moisture content ranging from about 8 to 14 percent by weight. A process is also disclosed for preparing cholestyramine agglomerates of the invention. The solvent-free coating comprises from about 60 percent to about 95 percent by weight of stearic acid and from about 5 percent to about 40 percent of polyethylene glycol.
    Type: Grant
    Filed: March 16, 1989
    Date of Patent: September 11, 1990
    Assignee: Bristol-Myers Company
    Inventors: Robert J. Bequette, Bruce A. Bonenberger, Claude E. Gallian, John R. Reckelhoff