Patents by Inventor Geert W. Meindersma

Geert W. Meindersma 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 recovery of raw materials in the aspartame preparation process
    Patent number: 5501797
    Abstract: A process is described for the recovery of raw materials in the aspartame preparation process from aqueous process streams which also contain dissolved salt. The process comprises subjecting the streams to nanofiltration with the aid of a composite membrane having specified retention values to obtain a retentate. The raw materials present in the retentate are recovered or the retentate is returned to the aspartame preparation process without any further processing. An apparatus for carrying out the process is also described.
    Type: Grant
    Filed: August 30, 1994
    Date of Patent: March 26, 1996
    Assignee: Holland Sweetener Company V.o.F.
    Inventors: Geert W. Meindersma, Franciscus H. P. Vergossen