Patents by Inventor Alain E. E. Schaeffer

Alain E. E. Schaeffer 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 pharmaceutical compositions
    Patent number: 5468504
    Abstract: The invention relates to effervescent pharmaceutical compositions for oral use comprising an effervescent couple consisting essentially of a base component and an acid component, which components react in the presence of water to generate a gas, and a compound which acts as a 5HT.sub.1 -like receptor agonist or a physiologically acceptable salt or solvate thereof as active ingredient.Methods for the manufacture of such compositions and for their use in the treatment of cephalic pain are also described.
    Type: Grant
    Filed: February 28, 1995
    Date of Patent: November 21, 1995
    Assignee: Laboratoires Glaxo S.A.
    Inventor: Alain E. E. Schaeffer
  • Pharmaceutical compositions
    Patent number: 5102665
    Abstract: An effervescent pharmaceutical composition for oral use comprising ranitidine or a physiologically acceptable salt thereof, a monoalkali metal citrate, and an alkaline carbonate or bicarbonate.
    Type: Grant
    Filed: March 7, 1991
    Date of Patent: April 7, 1992
    Assignee: Glaxo Group Limited
    Inventor: Alain E. E. Schaeffer