Patents by Inventor Jean Carvais

Jean Carvais 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: 4902513
    Abstract: In a first aspect of the invention there is provided a dosage form for delivery of a fixed amount of a drug to provide a sustained release of said drug to a patient which comprises:(a) a graduated container for accepting a liquid oral sustained release medicament, said graduated container being calibrated in units to permit an accurate total dosage of said drug; and(b) a liquid oral sustained release medicament capable of providing even blood levels of a drug in the bloodstream of a patient over a prolonged period of time, which comprises a suspension comprising microcapsules of said drug suspended in a saturated solution of said drug, the saturated level of said drug being maintained over a prolonged period of time for sustained release to the bloodstream and at a substantially constant level by means of the dissolution of the microcapsules into solution to replace the drug that leaves said solution, thereby maintaining the saturated level of drug in solution.
    Type: Grant
    Filed: December 30, 1987
    Date of Patent: February 20, 1990
    Inventor: Jean Carvais