Patents by Inventor Edouard Schwartzman

Edouard Schwartzman 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).

  • Process for the purification of organic products by fractionated crystallization at a variable circulation rate
    Patent number: 6454853
    Abstract: The present invention pertains to a process for the purification of an organic product by fractionated crystallization, characterized in that the organic product is purified by circulation in filled tubes by varying the circulation rate at each purification and concentration stage. The invention also pertains to an apparatus for the purification of an organic product by fractionated crystallization designed for the implementation of said process.
    Type: Grant
    Filed: November 6, 2000
    Date of Patent: September 24, 2002
    Assignee: Befs Prokem S.A.
    Inventors: Guenaël Drouglazet, René Genin, Edouard Schwartzman