Patents by Inventor Mostyn P. Embrey

Mostyn P. Embrey 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).

  • Controlled release compositions including polyethylene oxide with urethane cross-linking
    Patent number: 5079009
    Abstract: A controlled release composition comprising an active substance other than a prostaglandin and a polymeric carrier therefor comprising residues having a ratio of number average molecular weight to functionality greater than 1000 which comprises polyethylene oxide and are cross-linked through urethane groups.
    Type: Grant
    Filed: January 2, 1990
    Date of Patent: January 7, 1992
    Assignee: National Research Development Corporation
    Inventors: Mostyn P. Embrey, Neil B. Graham
  • Controlled release compositions (II)
    Patent number: 5017382
    Abstract: A process for the preparation of a controlled release composition comprising a prostaglandin and a polymeric carrier therefor comprising residues having a ratio of number average molecular weight to functionality greater than 1,000 which comprise polyethylene oxide and are cross-linked through urethane groups.
    Type: Grant
    Filed: January 23, 1990
    Date of Patent: May 21, 1991
    Assignee: National Research Development Corporation
    Inventors: Mostyn P. Embrey, Neil B. Graham