Patents by Inventor James D. Du Mayne

James D. Du Mayne 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).

  • Articles for carrying chemicals
    Patent number: 4371516
    Abstract: The invention relates to shaped articles carrying chemicals, particular to pharmaceutical dosage forms carrying pharmaceuticals, which disintegrate rapidly in water. The shaped articles comprise an open matrix network of carrier material carrying the chemical. The articles may be prepared by subliming solvent from a composition comprising the chemical and a solution of the carrier material in a solvent, the composition being in the solid state in a mould.
    Type: Grant
    Filed: July 17, 1981
    Date of Patent: February 1, 1983
    Assignee: John Wyeth & Brother Limited
    Inventors: George K. E. Gregory, James M. Peach, James D. Du Mayne