FR2074419A5
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Antifoaming agent and its application - contg. polypropylene glycol and a polymer, for use in fermentation processes
Assignee: Chinoin Private Co Ltd
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Filing: 1970-12-29
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Granted: 1971-10-01
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Expires: 1990-12-29
Abstract
Abstract Foaming in aerobic fermentations, esp. in antibiotic production, is inhibited by addition of a polypropylene glycol (25-50% pref. 30-35%) together with a polymer or copolymer (2-30 units) of alkylene or alkylenoxy units, with opt. hydrophilic gps. (-COOH, -CONH2, -OH, -OAlkyl). The effect is synergistic, only ca. 0.1% of the liquid vol. being used. Examples of the polymer are: polyacrylic acid, polyacrylamide and polyethylene glycol esters. The product is non-toxic, stable, cheap, and safe to handle.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
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FR
Data Source
google_patents
Last Synchronized
2026-11-06 14:44
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404; C; C12; C12N; C12N1/00; C12N1/38
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