Textiles: fiber preparation
Patent
1977-01-28
1978-10-10
Tanenholtz, Alvin E.
Textiles: fiber preparation
195 49, C12D 506
Patent
active
041194926
ABSTRACT:
A process for producing vitamin B.sub.12, which comprises cultivating a vitamin B.sub.12 -producing micro-organism of the genus Arthrobacter under aerobic conditions in a culture medium containing at least one compound selected from the group consisting of alcohols with 2 or 3 carbon atoms and ketones, and separating vitamin B.sub.12 from the culture broth.
REFERENCES:
patent: 3021262 (1962-02-01), Perlman
patent: 3062723 (1962-11-01), Dobry et al.
Fujiwara Yasuo
Kojima Ichiro
Sato Hiroshi
Nippon Oil Company Ltd.
Tanenholtz Alvin E.
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