| 摘要 |
1,168,834. Yeast &c. BRITISH PETROLEUM CO. Ltd. March 8, 1967 [May 13, 1966], No. 21340/66. Heading C6F. The product of the purification stage (containing the micro-organism) of the cultivation process described and claimed in Specification 1,059,886 is subjected to a separation stage (decantion and/ or centrifugation), thereafter the proportion of water is reduced in a fraction containing the microorganism and the fraction is subjected to solvent extraction.
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