Patents by Inventor Elizabeth J. Treherne

Elizabeth J. Treherne 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).

  • Effervescent powders
    Patent number: 4309408
    Abstract: Effervescent analgesic powders which comprise paracetamol D.C., and metoclopramide or an acid addition salt thereof, the weight ratio of paracetamol D.C. to metoclopramide or the acid addition salt thereof lying in the range 50:1 to 250:1, and a process for their preparation.
    Type: Grant
    Filed: November 9, 1979
    Date of Patent: January 5, 1982
    Assignee: Beecham Group Limited
    Inventors: Ram D. Pathak, Elizabeth J. Treherne