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.)
Expired
Application number
GB5551/38A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IG Farbenindustrie AGfiledCriticalIG Farbenindustrie AG
Publication of GB515402ApublicationCriticalpatent/GB515402A/en
515,402. Hormones and the like. I. G. FARBENINDUSTRIE AKT.-GES. Feb. 22, 1938, No. 5551. Void. Convention date, Feb. 22, 1937. [Class 81 (i)] [Also in Group IV] Physiologically active lipoids from aqueous alcoholic solutions obtained in known manner from substances such as corpora-lutea and testicles are purified by dissolving the lipoids in strong alcohol, adding water till the alcohol content is 30 per' cent. and extracting with a water-insoluble solvent, e.g. petroleum ether, removing the solvent and repeating the treatment.
GB5551/38A1937-02-221938-02-22A method of purifying physiologically active lipoids
ExpiredGB515402A
(en)