Method of producing lactic acid by continuous fermentation
US8551745B2 · kind B2 · utility
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3References
7Claims
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Key dates
| Filing date | Feb 3, 2009 |
| Grant date | Oct 8, 2013 |
| Priority date | — |
| Expiry date | Dec 29, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12P7/56
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A method of producing lactic acid continuous fermentation including filtering a culture of polyploid yeast having a capacity to produce lactic acid through a porous membrane having an average pore size of not less than 0.01 μm and less than 1 μm, and recovering the product from the filtrate while the unfiltered liquid is retained in or returned to the culture and a fermentation feedstock is added to the culture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.