Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
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Filing date
Publication date
Application filed by American Cyanamid CofiledCriticalAmerican Cyanamid Co
Priority to ES0226033ApriorityCriticalpatent/ES226033A2/en
Publication of ES226033A2publicationCriticalpatent/ES226033A2/en
Preparation Of Compounds By Using Micro-Organisms
(AREA)
Abstract
Improvements introduced in the object of the main patent, that is in methods for the previous treatment of an aqueous fermentation medium containing nutritional substances to improve the yield of tetracycline therefrom, by fermentation thereof with a microorganism producing tetracycline of the genus Streptomyces, methods that consist of contacting said aqueous medium with an ion exchange substance to decrease the chloride ion content thereof. (Machine-translation by Google Translate, not legally binding)
ES0226033A1956-01-111956-01-11A method for obtaining antibiotic substances (Machine-translation by Google Translate, not legally binding)
ExpiredES226033A2
(en)