Patents by Inventor Krystyna E. Fielden

Krystyna E. Fielden 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).

  • Water-dispersible tablets
    Patent number: 5629016
    Abstract: A water-dispersible tablet comprises acyclovir and a dispersing agent. The dispersing agent is a swellable clay such as a smectite e.g., Veegum F or bentonite, and is present within the granules of the tablet to provide a tablet which is capable of dispersing in water within 3 minutes to provide a dispersion which will pass through a 710 .mu.m sieve. The tablet also includes a cellulostic excipient. The tablet can be optionally film-coated, in which case the dispersion time is less than 5 minutes.
    Type: Grant
    Filed: July 29, 1993
    Date of Patent: May 13, 1997
    Assignee: Glaxo Wellcome Inc.
    Inventors: Krystyna E. Fielden, Michael J. D. Gamlen
  • Water-dispersible tablets
    Patent number: 5556639
    Abstract: A water-dispersible tablet comprises lamotrigine, a pharmaceutically acceptable swellable clay and an additional disintegrating agent. The swellable clay and an additional disintegrating agent. The swellable clay is a smectite, e.g. Veegum F or bentonite, and is present within the granules of the tablet to provide a tablet which is capable of dispersing in water within 3 minutes to provide a dispersion which will pass through a 710 .mu.m sieve. The tablet can be optionally film-coated in which case the dispersion time is less than 5 minutes.
    Type: Grant
    Filed: July 13, 1993
    Date of Patent: September 17, 1996
    Assignee: Glaxo Wellcome Inc.
    Inventor: Krystyna E. Fielden