Patents by Inventor Mariette Suzanne Catherine Carels

Mariette Suzanne Catherine Carels 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).

  • Production of zeaxanthin
    Patent number: 3951743
    Abstract: A process for the preparation of zeaxanthin which comprises culturing a microorganism of the genus Flavobacter producing this pigment in a nutrient medium containing at least one carbohydrate as assimilable carbon source, at least one source of assimilable amino nitrogen containing free amino acids, mineral salts, oligoelements and vitamins, the composition of the medium being modified by adding pyridoxine to it, and continuing culturing until a substantial quantity of intracellular zeaxanthin has been obtained.
    Type: Grant
    Filed: July 18, 1974
    Date of Patent: April 20, 1976
    Assignee: Societe d'Assistance Technique pour Produits Nestle S.A.
    Inventors: David Shepherd, Jaroslav Dasek, Mariette Suzanne Catherine Carels