Matches 51 - 95 out of 95 < 1 2
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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.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
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.
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...
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...
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...
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...
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...
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.
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...
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...
3459491 METHOD OF DEODORIZING AMINE-CONTAINING MATERIAL UTILIZING CIS-SUCCINIC ACID OF GAUCHE FORM  
3444195 GAUCHE FORM SUCCINIC ACID  
3352759 Process for producing cis-succinic acid of gauche form  
3162582 Process for the production of itaconic acid  
3078217 Process for the production of itaconic acid  
3071518 Method of increasing metabolic product yield of organisms  
3070512 Process of splititing steroids  
3063910 Method of producing l-malic acid by fermentation  
3044941 Process for producing itaconic acid  
3030276 Method of making fumaric acid and urea from lignified cellulose  
2972566 Process for the production of l-malic acid  
2947665 Microbiological preparation of meso-tartaric acid  
2912363 Fumaric acid fermentation process  
2894982 Preparation of diesters of fumaric acid  
2861922 Fumaric acid fermentation process  
3737374 Title is not available  
3796630 Title is not available  
3558434 Title is not available  
3823070 Title is not available  
3585109 Title is not available  
Matches 51 - 95 out of 95 < 1 2