Patents by Inventor Raymond F. Barber

Raymond F. Barber 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).

  • Ocular delivery of prophylactic agents
    Patent number: 4938965
    Abstract: The invention disclosed is a composition and method for the slow sustained ocular delivery of a prophylactic agent contained in liposome vesicles. The liposome vesicles are composed of phospholipid and cholesterol in a molar ratio of phospholipid to cholesterol of 8:2 to 1:1. Preferably, stearylamine is included in the liposome composition.
    Type: Grant
    Filed: July 22, 1987
    Date of Patent: July 3, 1990
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of National Defence of Her Majesty's Canadian Government
    Inventors: Pang N. Shek, Raymond F. Barber