Patents by Inventor Herve De Roeck

Herve De Roeck 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: 4029760
    Abstract: There are described pharmaceutical compositions useful for the treatment of gingivitis. Such a composition contains, as active ingredient from 0.5 to 25% by weight of at least one carraghenin in combination with a suitable vehicle. The compositions, which may contain various auxiliary components, can be in the form of toothpaste, mouthwash and like products. Even a short, but regular, use of a toothpaste containing the aforesaid composition results in a substantial improvement of gums and dental surfaces.
    Type: Grant
    Filed: March 11, 1975
    Date of Patent: June 14, 1977
    Assignee: Agence Nationale de Valorisation de la Recherche (ANVAR)
    Inventors: Yannick De Roeck born Holtzhauer, Herve De Roeck