Patents by Inventor Michel Bagros

Michel Bagros 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).

  • Contraceptive method and composition containing tannic acid
    Patent number: 4387094
    Abstract: The present invention relates to a novel local contraceptive method according to which the passage of spermatozoa in the cervical canal is prevented, the said method being characterized in that the physico-chemical structure of the cervical mucus is modified by means of at least one coagulating agent. It also concerns compositions for putting this novel method into effect, particularly compositions comprising at least one coagulating agent such as tannic acid. These compositions may also contain an agent which assists and completes the action of the coagulating agent.
    Type: Grant
    Filed: February 18, 1981
    Date of Patent: June 7, 1983
    Assignee: Laboratories Human-Pharm S.A.
    Inventor: Michel Bagros