Patents Assigned to Calcitech Ltd.
  • Production of powders
    Patent number: 6458335
    Abstract: A process for the production of powders by precipitation from a liquid reaction mixture comprises passing along a tubular reactor a segmented reaction flow comprised of discrete volumes of the reaction mixture separated by discrete volumes of a separating fluid which is substantially immiscible with said reaction mixture, the residence time of said discrete volumes of reaction mixture in the reactor being sufficient for the precipitation reaction to be effected.
    Type: Grant
    Filed: September 7, 1999
    Date of Patent: October 1, 2002
    Assignee: Calcitech Ltd.
    Inventors: Jacques Lemaitre, Nathalie Jongen, Robert Vacassy, Paul Bowen