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5155043 |
Method for preparing optically active substances
Optically active substances are prepared by the asymmetric hydrolysis of ##STR1## with specific microorganisms.
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5149641 |
Process for producing mevalonic acid
According to the present invention, mevalonic acid can be produced in such a high yield as to be available on an industrial scale by culturing specified microorganism(s) such as Saccharomycopsis...
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5143834 |
Process for the production and purification of succinic acid
A process for producing and purifying succinic acid comprises growing a succinate salt-producing microorganism on an inexpensive substrate containing carbohydrate, other nutrients, sodium ions and...
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5143833 |
Process for the production of succinic acid by anaerobic fermentation
A method of producing succinic acid comprises growing a succinate producing microorganism in medium containing sodium ions an assimilable carbohydrate, other required nutrients and dissolved carbon...
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4912042 |
Preparation of D-malic acid or derivative
D-malic acid is produced from D,L-malic acid by subjecting the racemate to the action of a microorganism or product thereof which assimilates L-malic acid but not D-malic acid, until the L-malic...
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4912043 |
Method of preparing L-malic acid
An aqueous solution containing fumaric acid is reacted in the presence of an aerobically cultured product of a microorganism belonging to the Brevibacterium genus and having resistance to...
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4904589 |
Process for producing D-(31)-tartaric acid
It is possible to efficiently obtain D-(31)-tartaric acid in high yield and to supply DL-tartaric acid of high concentration to the culture medium by cultivating a microorganism which belongs to...
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4877731 |
Fermentation process for carboxylic acids
An improved fermentation process for producing carboxylic acids is disclosed. The improvement comprises growing fungi of the genus Rhizopus in a culture medium containing a carbon source, a...
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4874700 |
Process for the production of L-malic acid
L-malic acid is separated by means of electrodialysis from reaction mixtures derived from biotechnical conversion of fumarate into L-malate. Fumaric acid present in the acid concentrate from the...
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4828993 |
Process for the preparation of organic acids
Organic acids are prepared from their salts electrodialytically. At the same time, another acid is converted electrodialytically into the corresponding salt. Both electrodialytic conversions take...
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4772749 |
Process for the recovery of malic acid
The reaction mixture obtained in the enzymatic reaction of fumaric acid to form L-malic acid contains the L-malic acid and unreacted fumaric acid as their salts. To recover pure solutions of...
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4734368 |
Process for the bioconversion of fumarate to L-malate
L-malic acid is produced in a concentration of 170 to 400 g per liter and high yield by biotechnical conversion of fumaric acid neutralized with ammonium hydroxide in nutrient-free solution or...
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4564594 |
Fermentation process for production of carboxylic acids
An improved fermentation process for producing carboxylic acids, especially fumaric acid, is disclosed. The improvement comprises growing fungi of genus Rhizopus in the presence of an effective...
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4486532 |
Process for preparing L-malic acid
At least one acryl or allyl monomer is polymerized in an aqueous suspension containing a fumarase-producing microorganism. The resultant immobilized fumarase-producing microorganism is contacted...
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4407953 |
Fermentation process for production of alpha-isopropylmalic acid
A process for producing alpha-isopropylmalic acid by aerobically fermenting a new strain of Yarrowia lipolytica and for recovering said acid from a fermentation medium.
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4154653 |
Process for the degradation of hydroxystyrene polymers
Process for the degradation of hydroxystyrene polymers which comprises culturing bacteria of Moraxella genus or fungi of Penicillium genus on a medium containing a hydroxystyrene polymer having a...
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4092220 |
Process for manufacture of L(+)-tartaric acid or salts thereof
Conversion of cis-epoxysuccinic acid or salts thereof into L(+)-tartaric acid or salts thereof is obtained by the agency of hydrolase.
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4090919 |
Water-insoluble tannin preparation for immobilization of proteins
A water-insoluble tannin preparation is obtained by covalent binding or physical adsorption of tannin onto a water-insoluble, hydrophilic carrier. The preparation has a specific affinity for...
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4028185 |
Method for producing L(+)-tartaric acid
Calcium cis-epoxysuccinate whose average particle size is not larger than 100 micron is converted into calcium L(+)-tartarate by a microorganism in a high concentration and in a better yield. This...
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4017362 |
Microbiological process for preparing L-tartaric acid in presence of surfactants
A process for preparing L-tartaric acid, which comprises contacting a microorganism of the genus Nocardia having the ability to produce an enzyme which hydrolyzes the epoxy ring of...
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4013508 |
Process for the production of 1-aspartic acid by fermentation of hydrocarbons
Process for the production of 1-aspartic acid by fermentation of hydrocarbons, wherein the fermentation is obtained by contemporaneous or subsequent inoculation of the culture medium with...
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4010072 |
Process for preparing L-tartaric acid
A process for preparing L-tartaric acid, which comprises contacting a microorganism of the genus Nocardia having the ability to produce an enzyme which cleaves and hydrolyzes the epoxy ring of...
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3980520 |
Process for the production of l-malic acid by microbiological fermentation and means suitable for carrying out the same
L-malic acid is prepared from fumaric acid through a microbiological fermentation process employing a microbial strain of the Paracolobactrum genus having the number 743, 745 or 746.
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3957579 |
Method for preparing d-tartaric acid
Dextro or d-tartaric acid is prepared by microbial conversion of cis-epoxysuccinic acid which is subjected to asymmetrical hydrolysis by the catalytic action of a microorganism taken from the group...
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3873425 |
Process for producing itaconic acid
Itaconic acid fermentation broth prepared in routine manner is subjected to pre-treatment to remove high molecular impurities, which have a property to prevent electrodialysis, and after treating...
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3459491 |
METHOD OF DEODORIZING AMINE-CONTAINING MATERIAL UTILIZING CIS-SUCCINIC ACID OF GAUCHE FORM
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3444195 |
GAUCHE FORM SUCCINIC ACID
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3352759 |
Process for producing cis-succinic acid of gauche form
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3162582 |
Process for the production of itaconic acid
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3078217 |
Process for the production of itaconic acid
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3071518 |
Method of increasing metabolic product yield of organisms
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3070512 |
Process of splititing steroids
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3063910 |
Method of producing l-malic acid by fermentation
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3044941 |
Process for producing itaconic acid
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3030276 |
Method of making fumaric acid and urea from lignified cellulose
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2972566 |
Process for the production of l-malic acid
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2947665 |
Microbiological preparation of meso-tartaric acid
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2912363 |
Fumaric acid fermentation process
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2894982 |
Preparation of diesters of fumaric acid
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2861922 |
Fumaric acid fermentation process
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3737374 |
Title is not available
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3796630 |
Title is not available
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3558434 |
Title is not available
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3823070 |
Title is not available
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3585109 |
Title is not available
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