Patents by Inventor Wallace E. Becker

Wallace E. Becker 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).

  • Stabilizing system for solid dosage forms
    Patent number: 5004651
    Abstract: An improved pharmaceutical preparation uses tromethamine and dibasic potassium phosphate or calcium carbonate to enhance stability.
    Type: Grant
    Filed: January 24, 1989
    Date of Patent: April 2, 1991
    Assignee: Abbott Laboratories
    Inventor: Wallace E. Becker
  • Pharmaceutical tableting method
    Patent number: 4874614
    Abstract: A method of preventing the fracture of coated drug granules during the compression of the granules into a commercially acceptable tablet matrix is disclosed. The method involves incorporating into the matrix, along with the granules, from about 10% to about 50% by weight microcrystalline cellulose.
    Type: Grant
    Filed: January 30, 1989
    Date of Patent: October 17, 1989
    Assignee: Abbott Laboratories
    Inventor: Wallace E. Becker
  • Tablet composition for drug combinations
    Patent number: 4863741
    Abstract: A tablet providing enhanced delivery of an acid-sensitive drug in conjunction with an acid-stable drug is disclosed. The tablet is made up of a matrix containing a major proportion of an acid-stable drug, and a minor proportion of microcrystalline cellulose. Embedded in the matrix are coated granules containing at least about 90% of an acid-sensitive drug by weight, exclusive of the coating, and having a particle size of from about 10 to about 40 mesh. The granules of acid-sensitive drug have an acid resistant and/or enteric coating selected to dissolve in less than sixty minutes at a pH of 5.5 or greater.
    Type: Grant
    Filed: January 30, 1989
    Date of Patent: September 5, 1989
    Assignee: Abbott Laboratories
    Inventor: Wallace E. Becker