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| Number | Title | Issue Date |
| 7063969 | Yeast-based process for production of l-pac The invention provides a method of synthesis of a substituted or unsubstituted carbinol compound, comprising the steps of subjecting the corresponding substituted or unsubstituted aromatic aldehyde to acyloin condensation mediated by yeast in the presence of either ... | 06/20/2006 |
| 6552170 | PEGylation reagents and compounds formed therewith Compounds are disclosed having the general formula R1 -X-R2, wherein R1 and R2 are biologically active groups, at least one of which is polypeptidic. X is a non-peptidic polymeric group. R1 and R... | 04/22/2003 |
| 6451566 | Method for producing dihydroxyacetone-3-phosphate Methods are provided to produce highly concentrated dihydroxyacetone-3-phosphate efficiently by a simple catalytic reaction of dihydroxyacetone with the bacterial cells transformed with the gene encoding a dihydroxyacetone kinase or the dihydroxyacetone k... | 09/17/2002 |
| 6358717 | Method of producing butanol using a mutant strain of Clostridium beijerinckii The present invention relates to a method of producing high levels of butanol using a fermentation process that employs a mutant strain of Clostridium beijerinckii.... | 03/19/2002 |
| 6271008 | Yeast-based process for production of l-pac This invention relates to yeast-mediated catalysis in organic solvents, and in particular the yeast-mediated condensation between pyruvate and a substituted aromatic aldehyde to yield the corresponding acyloin (hydroxy ketone) compound. The invention prov... | 08/07/2001 |
| 5770411 | Microbial process for the preparation of dihydroxyacetone with recycling of biomass The invention relates to a microbial process for the preparation of dihydroxyacetone, the conversion of glycerol to dihydroxyacetone being carried out using a microorganism having active dehydrogenase with complete or partial recycling of biomass which is... | 06/23/1998 |
| 5753474 | Continuous two stage, dual path anaerobic fermentation of butanol and other organic solvents using two different strains of bacteria The instant invention describes a process for the manufacture of butanol and like volatile organic compounds by fermenting carbohydrates, mainly polysaccharide, with micro-organisms which convert carbohydrates into mainly butyric acid and other acids. The... | 05/19/1998 |
| 5620877 | Method of fermenting sugars resulting from strong acid hydrolysis An economically viable method of fermenting a mixture of sugars resulting from the acid hydrolysis of material containing cellulose and hemicellulose allows for the simultaneous fermentation of both pentose and hexose sugars. The sugar solution is mixed w... | 04/15/1997 |
| 5210032 | Degeneration-resistant solventogenic clostridia Butanol and acetone are major end products of a bacterial fermentation process carried out by anaerobic saccharolytic clostridia such as Clostridium acetobutylicum. However, these organisms degenerate upon repeated subculture of growing cells, thereby los... | 05/11/1993 |
| 5063156 | Process for the fermentative production of acetone, butanol and ethanol A process including multistage continuous fermentation followed by batch fermentation with carefully chosen temperatures for each fermentation step, combined with an asporogenic strain of C. acetobutylicum and a high carbohydrate substrate concentration y... | 11/05/1991 |
| 4777135 | Method for producing butanol by fermentation A method for producing butanol by fermentation is provided. The method is carried out by culturing a butanol-producing microorganism in a culture medium containing a fluorocarbon selected from the group consisting of monofluorotrichloromethane, monofluoro... | 10/11/1988 |
| 4757010 | Production of clostridium acetobutylicum mutants of high butanol and acetone productivity, the resultant mutants and the use of these mutants in the joint production of butanol and acetone The Clostridium acetobutylicum mutant IFP 904 (ATCC 39058) is obtained by spreading a culture of a strain of Clostridium acetobutylicum at the surface of a solid culture medium containing n-butanol at a specified concentration, growing the strain in the p... | 07/12/1988 |
| 4649112 | Utilization of xylan and corn fiber for direct fermentation by clostridium acetobutylicum Butanol, acetone and fatty acids are produced by direct fermentation of a low-cost source of carbohydrates by Clostridium acetobutylicum. The carbohydrate source is selected from the group consisting of corn fiber, xylan, and mixtures of corn fiber and xy... | 03/10/1987 |
| 4628116 | Vinyl bromide extraction of butyric acid and butanol from microbial fermentation broth The process of extracting butyric acid and normal butanol from microbial fermentation broth, comprising contacting an aqueous solution of a microbial fermentation broth with vinyl bromide to extract any butyric acid and normal butanol which is present fro... | 12/09/1986 |
| 4605620 | Process for fermenting carbohydrate- and phosphate-containing liquid media The invention relates to a process for fermenting carbohydrate- and phosphate-containing liquid media with limitation of phosphate with bacteria capable of forming butanol, acetone and/or ethanol as fermentation products performed with a total phosphate c... | 08/12/1986 |
| 4521516 | Strain of Clostridium acetobutylicum and process for its preparation A novel asporogenic strain of Clostridium acetobutylicum is produced by growing a spore-forming strain in a continuous culturing reactor. Culturing is conducted at a dilution rate which prevents accumulation of butanol and acetone in the medium. Culturing... | 06/04/1985 |
| 4269940 | Microbiological alkane oxidation process Disclosed is a process for the microbiological oxidation of C1 -C6 alkanes and cycloalkanes by contacting said C1 -C6 alkanes or cycloalkanes, under aerobic conditions, in the presence of microorganisms or enzym... | 05/26/1981 |
| 4268630 | Microbiological production of ketones from C3 -C6 alkanes A process is disclosed for the microbiological production of ketones from C3 -C6 alkanes by contacting C3 -C6 alkanes under aerobic conditions with resting microbial cells derived from a methylotrophic microorga... | 05/19/1981 |
| 4250259 | Microbiological production of ketones from C3 -C6 secondary alcohols A process is disclosed for the microbiological production of ketones from C3 -C6 secondary alcohols by contacting C3 -C6 secondary alcohols under aerobic conditions with resting microbial cells derived from a mi... | 02/10/1981 |
| 4241184 | Secondary alcohol dehydrogenase enzyme and use thereof Disclosed is a newly-discovered and isolated enzyme which is a nicotinamide adenine dinucleotide (NAD+)-linked C3 -C6 secondary alcohol-specific dehydrogenase. This enzyme, in the presence of oxygen and NAD, is capable of ... | 12/23/1980 |
