Patents by Inventor Stefica Grandja

Stefica Grandja 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 separation of enzymes
    Patent number: 4144130
    Abstract: A process for the recovery of enzymes from intact cells and cell fragments by means of partition in a multiphase system without prior separation of the cell liquid, cell fragments or the cells is described.
    Type: Grant
    Filed: April 14, 1977
    Date of Patent: March 13, 1979
    Assignee: Gesellschaft fur Biotechnologische Forschung
    Inventors: Maria-Regina Kula, Karl-Heinz Kroner, Wolfgang Stach, Helmut Hustedt, Andija Durekovic, Stefica Grandja