Production of lactic acid by continuous fermentation using an inexpensive raw material and a simplified method of lactic acid purification United States Patent 04771001

04771001 is referenced by 50 patents and cites 21 patents.

The 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.

Title
Production of lactic acid by continuous fermentation using an inexpensive raw material and a simplified method of lactic acid purification
Application Number
687189
Publication Number
4771001
Application Date
September 24, 1986
Publication Date
September 13, 1988
Inventor
Richard A Wisdom
Foster City
CA, US
Stephen L Michaels
Newton
MA, US
Dilip K Joshi
Kalamazoo
MI, US
Richard B Bailey
Cupertino
CA, US
Agent
Flehr Hohbach Test Albritton & Herbert
Assignee
Neurex
CA, US
IPC
A23C 21/02
C07C 59/08
C12P 7/56
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Citations: 50 (view full list)

  1. James L Grady, Guang Jiong Chen: Bioconversion of waste biomass to useful products. Bioengineering Resources, Howson and Howson, October 13, 1998: US05821111 (247 worldwide citation)
  2. Dan W Verser, Timothy J Eggeman: Process for producing ethanol from corn dry milling. ZeaChem, Sheridan Ross P C, March 24, 2009: US07507562 (166 worldwide citation)
  3. Dan W Verser, Timothy J Eggeman: Process for producing ethanol from corn dry milling. Zeachem, Sheridan Ross P C, July 11, 2006: US07074603 (143 worldwide citation)
  4. Dan Verser, Timothy J Eggeman: Process for producing ethanol. ZeaChem, Sheridan Ross P C, April 1, 2008: US07351559 (142 worldwide citation)
  5. James L Gaddy: Biological production of ethanol from waste gases with Clostridium ljungdahlii. Bioengineering Resources, Howson and Howson, October 24, 2000: US06136577 (126 worldwide citation)
  6. Dan Verser, Timothy J Eggeman: Process for producing ethanol. ZeaChem, Sheridan Ross P C, March 23, 2010: US07682812 (101 worldwide citation)
  7. James L Gaddy: Clostridium stain which produces acetic acid from waste gases. Daniel R Head Johnson & Kachigian Alexander, January 14, 1997: US05593886 (92 worldwide citation)
  8. Dan W Verser, Timothy J Eggeman: Process for producing ethanol from corn dry milling. Zeachem, Sheridan Ross P C, February 15, 2011: US07888082 (89 worldwide citation)
  9. James L Gaddy: Biological production of acetic acid from waste gases with Clostridium ljungdahlii. Bioengineering Resources, Howson and Howson, September 15, 1998: US05807722 (89 worldwide citation)
  10. Dan W Verser, Timothy J Eggeman: Recovery of organic acids. ZeaChem, Sheridan Ross P C, October 13, 2009: US07601865 (78 worldwide citation)

References: 21 (view full list)

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  2. Branko Urbas: Recovery of organic acids from a fermentation broth. CPC International, April 24, 1984: US04444881 (49 worldwide citation)
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