Patents by Inventor Michael William Hartnell

Michael William Hartnell 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).

  • Delayed release pharmaceutical formulation containing a &bgr;-lactam antibiotic
    Patent number: 6299903
    Abstract: Pharmaceutical formulations for oral administration, comprising a matrix which comprises a &bgr;-lactam antibiotic, a &bgr;-lactamase inhibitor, and granules in a delayed release form dispersed within the matrix which comprise a &bgr;-lactam antibiotic and a &bgr;-lactamase inhibitor.
    Type: Grant
    Filed: February 17, 1999
    Date of Patent: October 9, 2001
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Ernest Lionel Gilbert Rivett, Francis Walter Grimmett, Michael William Hartnell
  • Delayed release pharmaceutical formulation containing amoxycillin and potassium clavulanate
    Patent number: 5910322
    Abstract: Pharmaceutical formulations for oral administration, comprising a matrix which comprises a .beta.-lactam antibiotic optionally in combination with a .beta.-lactamase inhibitor, granules in a delayed release form dispersed within the matrix, which comprise a .beta.-lactam antibiotic optionally in combination with a .beta.-lactamase inhibitor, the overall tablet formulation including a .beta.-lactam antibiotic and a .beta.-lactamase inhibitor.
    Type: Grant
    Filed: October 2, 1997
    Date of Patent: June 8, 1999
    Assignee: SmithKline Beecham p.l.c.
    Inventors: Ernest Lionel Gilbert Rivett, Francis Walter Grimmett, Michael William Hartnell