Title: Manufacture of citric acid by submerged fermentation

Abstract: The invention concerns a process for producing citric acid during which ferri- or ferrocyanide ions like potassium ferrocyanide are added at a particular time and in a preselected amount.

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Inventors: Hustede, Helmut (Ladenburg (Neckar), DT)
Rudy, deceased, Hermann (LATE OF Heidelberg, DT)
Rudy, nee Ringelmann, heir, by Liselotte (Heidelberg, DT)
Rudy, heir, by Hans (Heidelberg, DT)
Sallewsky, nee Rudy, heir, by Barbara (St. Hermas, CA, US)

Application Number: 195007
Filing Date: 1971-11-02
Publication_date: 1976-03-02
Assignee: Joh. A. Benckiser GmbH (Ludwigshafen (Rhine), DT)
Primary Class(es): 435/144 435/244, 435/917, 435/931
Other Classes:
US Patent Ref:

3118821

Jan, 1964

Clark

195/36.

Other Refs:
Primary Examiner: Tanenholtz, Alvin E.
Assistant Examiner:
Attorney: Weiser, Stapler & Spivak