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Mark I Donnelly, Cynthia Sanville Millard, Ranjini Chatterjee: Method for construction of bacterial strains with increased succinic acid production. University of Chicago, Cherskov & Flaynik, December 12, 2000: US06159738 (76 worldwide citation)

A fermentation process for producing succinic acid is provided comprising selecting a bacterial strain that does not produce succinic acid in high yield, disrupting the normal regulation of sugar metabolism of said bacterial strain, and combining the mutant bacterial strain and selected sugar in ana ...


62
Mahendra K Jain, Daniel Beacom, Rathin Datta: Mutant strain of C. acetobutylicum and process for making butanol. Michigan Biotechnology Institute, Quarles & Brady, March 9, 1993: US05192673 (73 worldwide citation)

A biologically pure asporogenic mutant of Clostridium acetobutylicum is produced by growing sporogenic C. acetobutylicum ATCC 4259 and treating the parent strain with ethane methane sulfonate. The mutant which as been designated C. acetobutylicum ATCC 55025 is useful in an improved ABE fermentation ...


63
Abraham M Baniel, Aharon M Eyal, Joseph Mizrahi, Betty Hazan, Rod R Fisher, Jeffrey J Kolstad, Brenda F Stewart: Lactic acid production, separation and/or recovery process. Cargill Incorporated, Dorsey & Whitney, April 23, 1996: US05510526 (71 worldwide citation)

A process for the production of lactic acid and for the separation and/or recovery of lactic acid from a lactate feed solution. A lactate feed solution preferably obtained from a fermentation broth is combined with and extracted by a water immiscible trialkyl amine in the presence of carbon dioxide. ...


64
Molzahn Stuart William: Fermentation processes and their products.. Bass, July 3, 1985: EP0147198-A2 (71 worldwide citation)

The invention provides a process for the production of ethanol and a protein or peptide which is heterologous to yeast which comprises fermenting an aqueous sugar-containing medium with an industrial yeast strain which has been genetically modified to be capable of expressing a heterologous protein ...


65
George T Colegrove: Clarification of xanthan gum. Merck & Co, Donald J Perrella, J Jerome Behan, March 1, 1977: US04010071 (70 worldwide citation)

Fermentation broths and other aqueous suspensions containing a dissolved xanthan gum and suspended solids resulting from the fermentation producing the xanthan gum are clarified by treatment with a minor amount of a protease enzyme. The injectivity of aqueous solutions containing xanthan gum so clar ...


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Michael I Sherman, Carl L Elmore: Acid hydrolysis of biomass for alcohol production. Kamyr, Nixon & Vanderhye, September 16, 1986: US04612286 (69 worldwide citation)

A method of treating biomass having fermentable material is provided utilizing acid hydrolysis in a countercurrent diffusion treatment structure. By practicing the invention acid usage is minimized, pentose concentration in the hydrolysate solution is maximized, and ethanol, butanol, butanediol, and ...


68
Marshall L Spector: High nitrogen and phosphorous content biomass produced by treatment of a BOD-containing material. Air Products and Chemicals, Thomas G Ryder, Barry Moyerman, July 24, 1979: US04162153 (69 worldwide citation)

An organic product material having a high nitrogen and phosphorous content is produced as the product of a biological system for the treatment of a BOD-containing influent which also contains phosphorous and fixed nitrogen. The biological treatment system comprises the reaction of a mixed liquor com ...


69
Lonnie O Ingram, David S Beall, Gerhard F H Burchhardt, Walter V Guimaraes, Kazuyoshi Ohta, Brent E Wood, Keelnatham T Shanmugam: Ethanol production by recombinant hosts. The University of Florida, Foley & Lardner, June 13, 1995: US05424202 (68 worldwide citation)

Novel plasmids comprising genes which code for the alcohol dehydrogenase and pyruvate decarboxylase are described. Also described are recombinant hosts which have been transformed with genes coding for alcohol dehydrogenase and pyruvate. By virtue of their transformation with these genes, the recomb ...


70
Brian S Hartley: Thermophilic ethanol production in a two-stage closed system. Larson and Taylor, January 26, 1993: US05182199 (68 worldwide citation)

Production of ethanol by a process in which a strain of Bacillus stearothermophilus or other thermophilic, facultatively anaerrobic bacterium is selected for the characteristics of fermenting sugars both aerobically and anaerobically and of being active in anaerobic fermentation at 70.degree. C. or ...



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