Patents by Inventor Peter Souw

Peter Souw 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 fermentative production of xanthan gum with organic acids
    Patent number: 4245046
    Abstract: Xanthan gum is produced by fermentation with the bacterium, Xanthomonas campestris NRRL B-1459, of a nutrient medium containing a sugar and a stimulatory organic acid which stimulates the production of xanthan gum. The stimulatory organic acid can be a source of pyruvic acid, alpha-keto-glutaric acid, succinic acid or mixtures thereof.
    Type: Grant
    Filed: March 23, 1979
    Date of Patent: January 13, 1981
    Assignee: Massachusetts Institute of Technology
    Inventors: Arnold L. Demain, Peter Souw