Patents Assigned to La Cellulose du Pin c/o Saint-Gobain Recherche
  • Process and apparatus for the treatment of effluents containing emulsion inks
    Patent number: 5269941
    Abstract: Effluent containing inks undergoes flocculation by the action of a flocculating agent, followed by the continuous centrifuging of the effluent consisting of an acceleration between 1,000 and 20,000 g, while avoiding an air-liquid interface during centrifuging.
    Type: Grant
    Filed: July 8, 1992
    Date of Patent: December 14, 1993
    Assignee: La Cellulose du Pin c/o Saint-Gobain Recherche
    Inventors: Etienne Chavel, Pierre Langlade, Jean-Claude Pommier