Patents by Inventor Rene Tarral

Rene Tarral 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).

  • Pharmaceutical compositions
    Patent number: 5229134
    Abstract: Delayed-release oral dosage forms are described comprising cimetidine or a salt thereof and optionally a buffer that is capable of aiding dissolution of cimetidine in the intestine, coated with a release-delaying substance comprising a coating agent such as Eudragit.RTM. L 30 D.
    Type: Grant
    Filed: December 5, 1990
    Date of Patent: July 20, 1993
    Assignee: Laboratories Smith Kline & French
    Inventors: Jacky Mention, Rene Tarral, Graham S. Leonard
  • Effervescent couples, histamine H.sub.2 -antagonist effervescent compositions containing them and their preparation
    Patent number: 4824664
    Abstract: The invention relates to an effervescent couple which comprises a mixture of mono-and di-alkali metal citrate as well as to a process for preparing same. The process comprises partially neutralizing citric acid by reacting an alkali metal carbonate or bicarbonate with citric acid and water and controlling the amount of carbon dioxide released during the reaction by stopping the reaction when a certain amount of citric acid has been neutralized. In a preferred embodiment the reaction is stopped when from about 24% to about 54% of the potential amount of carbon dioxide has been released.
    Type: Grant
    Filed: January 20, 1987
    Date of Patent: April 25, 1989
    Assignee: Laboratoires Smith Kline & French
    Inventors: Rene Tarral, Jacky Mention