Patents by Inventor Norman Grainger

Norman Grainger 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: 4198391
    Abstract: A cardiotonic dosage unit form comprises a soft gelatin capsule containing a liquid cardiotonic composition comprising (a) a cardiac glycoside, preferably digitoxin or digoxin; (b) ethanol; (c) water; (d) propylene glycol and/or glycerine; and (e) a liquid polyethylene glycol; the cardiac glycoside preferably being present in an amount of from 50 to 300 micrograms.
    Type: Grant
    Filed: September 20, 1977
    Date of Patent: April 15, 1980
    Assignee: R. P. Scherer Ltd.
    Inventor: Norman Grainger