Patents by Inventor David Trigger

David Trigger 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).

  • Patent number: 5950830
    Abstract: A package (12, 14) contains a transdermal patch (1) releasably mounted on a release liner (3) larger than the patch so that a peripheral edge (1a, 1b) of the patch is spaced from the edge of the release liner (3) by a border (7). The package (12, 14) is shaped and being sufficiently rigid that said edge of the patch is maintained spaced from the package. The package comprises a container (12) and a closure (14). The container has a recess containing the patch (1) and the release liner (3), and the recess has a base (18, 22) which includes a raised portion (18) located in the base so that, with the patch (1) facing the base, the edge (1a, 1b) of the patch is maintained spaced from the base in any position of the release liner within the recess.
    Type: Grant
    Filed: August 22, 1997
    Date of Patent: September 14, 1999
    Assignee: Ethical Pharmaceuticals (U.K.) Limited
    Inventor: David Trigger
  • Patent number: 5594013
    Abstract: This invention relates to a slow release nifedipine-containing pharmaceutical compositions and methods of making such compositions. The compositions of the inventions comprise a soluble carrier coated with nifedipine and polyvinylpyrrolidone and an acrylic based polymer. Nifedipine is present, in amorphous form, in excess amounts to polyvinylpyrrolidone and in equal or excess amounts to the acrylic based polymer.
    Type: Grant
    Filed: July 11, 1994
    Date of Patent: January 14, 1997
    Assignee: Ethical Pharmaceuticals Limited
    Inventor: David Trigger
  • Patent number: D380962
    Type: Grant
    Filed: June 20, 1995
    Date of Patent: July 15, 1997
    Assignee: Ethical Pharmaceuticals Limited
    Inventor: David Trigger