Patents Assigned to Transphyto S.A.
  • Patent number: 5249712
    Abstract: A package for a liquid which is purified includes a neck with a lock-chamber slidable therein. The lock-chamber includes a purifying substance through which the liquid passes when dispensed. At one end of the lock chamber, a plug is positioned to block passage of the liquid through the lock-chamber when the lock-chamber is projected from the neck and to allow passage of the liquid when the lock-chamber is pushed down into the neck.
    Type: Grant
    Filed: April 29, 1991
    Date of Patent: October 5, 1993
    Assignee: Transphyto S.A.
    Inventors: Jean-Pierre Lontrade, Henri Chibret, Gerard Schwadrohn