Patents by Inventor Catherien, Gwenaelle, Michelle Peuzet

Catherien, Gwenaelle, Michelle Peuzet 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 manufacture of 2-keto-l-gulonic acid
    Publication number: 20050019881
    Abstract: The present invention discloses a process for producing sodium 2-keto-L-gulonate from sorbitol and recovering 2-keto-L-gulonic acid in high recovery yields, by controlled cation exchange treatment of the micro-organism free fermentation broth and/or adjusting Ph of said purified fermentation broth, followed by direct crystallization of 2-keto-L-gulonic acid monohydrate.
    Type: Application
    Filed: August 2, 2002
    Publication date: January 27, 2005
    Inventors: Jean-Claude ,Marie-Pierre, Ghislain De Troostembergh, Ignace, Andre Debonne, Willy, Richard Obyn, Catherien, Gwenaelle, Michelle Peuzet