Chemistry: molecular biology and microbiology – Apparatus – Bioreactor
Patent
1997-10-14
1999-10-26
Beisner, William H.
Chemistry: molecular biology and microbiology
Apparatus
Bioreactor
435101, 435102, 435104, 366295, 3663253, 3663257, C12M 102
Patent
active
059726954
ABSTRACT:
A fermenter for the production of xanthan gum is provided with an upper helical impeller and a lower turbine impeller which are positioned therewithin, and an agitator shaft for driving these helical impeller and turbine impeller. The helical impeller consists of a pair of vertically spaced arms extending from the agitator shaft in opposite directions and arranged in twisted relationship, and at least one shearing paddle bridging these arms, and the turbine impeller consists of a rotating disc having at least one turbine blade attached thereto.
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Patent Abstracts of Japan, vol. 107, No. 216, Apr. 28, 1993 & JP 04356196-(Shin-Etsu Chemical Co. Ltd.) Dec. 9, 1992.
Homma Taira
Murofushi Kanji
Nagura Shigehiro
Beisner William H.
Shin-Etsu Bio, Inc
Shin-Etsu Chemical Co. , Ltd.
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