Production of lactic acid by continuous fermentation using an inexpensive raw material and a simplified method of lactic acid purification
Patent 4771001 Issued on September 13, 1988. Estimated Expiration Date: 
September 24, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 24, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1540951 1704458 2539472 2710880 2838443 2885436 3036918 3284495 Process of producing alkali metal or ammonium citrates Process for making and flavorants from milk products and compositions containing same InventorsAssigneeApplicationNo. 06/910949 filed on 09/24/1986US Classes:435/139, Lactic acid426/41, Treatment of whey426/43, Including addition of bacterial culture435/813, CONTINUOUS FERMENTATION435/853, Lactobacillus435/854, Lactobacillus acidophilus435/856, Lactobacillus casei435/885, Streptococcus562/589Lactic acid per se or salt thereofExaminersPrimary: Jones, Raymond N.Assistant: Cintins, Marianne M. Attorney, Agent or FirmInternational ClassesA23C 21/02 (20060101)A23C 21/00 (20060101) C12P 7/56 (20060101) C12P 7/40 (20060101) AbstractThe disclosure describes a method for producing lactic acid from carbohydrate-containing media by continuous fermentation utilizing particular methods of media pretreatment, cell-recycle fermentation, fermentation broth acidification, and lactic acid separation.Other References
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