Patents by Inventor Adolfo Quesada-Chanto

Adolfo Quesada-Chanto 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).

  • Continuous fermentation process which is useful for the simultaneous optimal production of propionic acid and vitamin B12
    Patent number: 6878534
    Abstract: The present invention relates to a fermentation process which is useful for the simultaneous production of propionic acid and vitamin B12, characterized in that it employs the culturing, on a suitable culture medium, of at least one microorganism suitable for the production of vitamin B12 and propionic acid, and in that the corresponding fermentation is carried out in continuous fashion and involves at least two successive stages, a first stage associated with the optimal production of propionic acid, and a second with the optimal production of vitamin B12.
    Type: Grant
    Filed: February 20, 1996
    Date of Patent: April 12, 2005
    Assignee: Gesellschaft fur Biotechnologische
    Inventors: Abbas Scharlf-Afschar, Adolfo Quesada-Chanto