Patents by Inventor David Brandon Bowen

David Brandon Bowen 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).

  • Lisinopril compositions having large-particle DCPD
    Patent number: 6462022
    Abstract: The present invention relates to a pharmaceutical composition comprising lisinopril and dibasic calcium phosphate dihydrate (DCPD), produced by a process comprising mixing lisinopril and DCPD with a specific surface area of less than 1.5 m2g−1. The use of large particle sized DCPD in a lisinopril formulation/composition has the effect of reducing the amount of the lisinopril degradation product DKP that is formed, thereby increasing the shelf-life of tablets formulated with the larger sized DCPD, particularly those with low doses of lisinopril.
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: October 8, 2002
    Assignee: AstraZeneca AB
    Inventors: Ronald John Roberts, David Brandon Bowen