Matches 51 - 100 out of 120 < 1 2 3 >


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6146860 Manufacture of L-ascorbic acid and D-erythorbic acid  
A process for producing L-ascorbic acid (vitamin C) from 2-keto-L-gulonic acid or D-erythorbic acid from 2-keto-D-gluconic acid by contacting 2-keto-L-gulonic acid or 2-keto-D-gluconic acid,...
6143533 Method for the preparation of N-glycolyl neuraminic acid from Cucumaria echinata  
Disclosed is an efficient and economical method for the preparation of N-glycolyl neuraminic acid in a high purity from an inexpensive abundant source material. The method comprises dispersing...
6004784 Fermentation medium and method for producing α, ω -alkanedicarboxylic acids  
This invention describes a low cost biofermentation medium, and an economical method using the medium, for the manufacture of α, ω-alkanedicarboxylic acids. The invention provides a...
5998179 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Process for the prepration of gluconic acid and gluconic acid produced thereby
 
An enzymatic system comprised of glucose oxidase and a catalase of the same or different sources to result in the complete conversion of glucose to gluconic acid at a glucose concentration greater...
5932463 Gluconobacter alcohol/aldehyde dehydrogenase  
The present invention relates to a novel alcohol/aldehyde dehydrogenase (hereinafter referred to as AADH), a process for producing the same and a process for producing aldehydes, carboxylic acids...
5900366 Production of sophorolipid acetate acids from oils or esters  
A process for the fed batch production of a sophorolipid composition is described, in which culturing takes place of at least one Candida bombicola strain in a culture medium incorporating a sugar...
5900370 Process for the production of ascorbic acid with prototheca  
The present invention is directed to methods for the production of ascorbic acid by culturing organisms of the genus Prototheca and recovering ascorbic acid from the fermentation medium.
5897995 Enzymatic production of gluconic acid or its salts  
An enzymatic process for the conversion of glucose into gluconic acid, uses concentrated glucose solutions. The process employs a combination of glucose oxidase and catalase enzymes which may be...
5859235 Dipteran-active uracil derivative  
The invention relates to a novel substance with activity against insect pests of the order Diptera. The invention further relates to the substance which acts together with a Bacillus related...
5834231 Bacterial strains and use thereof in fermentation process for 2-keto-L-gulonic acid production  
The present invention relates to a process for the production of 2-keto-L-gulonic acid by fermentative conversion of L-sorbose and/or D-sorbitol. The present invention further relates to novel...
5814498 Process for the recovery of organic acids and ammonia from their salts  
A process recovers organic acid and ammonia from their salts preferably obtained from microbial fermentation of a saccharide in a nutrient. The fermented materials is passed through a...
5792631 Microbial process for the production of ascorbic acid using Chlorella protothecoides  
The present invention is directed to methods for the production of ascorbic acid by culturing organisms of the species C. protothecoides and recovering ascorbic acid from the fermentation medium.
5759826 Process of preparing an organic acid  
A process is disclosed for preparing an organic acid and/or its salts from a solution obtained through fermentation. In this process, a pure carbohydrate-containing raw material is used. The...
5681728 Method and apparatus for the recovery and purification of organic acids  
The present invention relates to methods and apparatus for reducing the fouling of ion-selective membranes used in the electrodialytic purification of organic acids. More particularly, the present...
5635611 Production of saccharide carboxylic acids  
A process for producing a saccharide carboxylic acid or a salt thereof characterized in that a microorganism belonging to the genus Pseudogluconobacter and capable of oxidizing a hydroxymethyl...
5585256 Aspergillus aculeatus rhamnogalacturon acetyl esterases, DNA sequences encoding the enzymes and methods of use thereof  
The present invention relates to rhamnogalacturon acetyl esterases derived from Aspergillus aculeatus and DNA Sequences encoding the enzymes. The present invention also relates to the use of...
5521090 L-ascorbic acid containing biomass of chlorella pyrenoidosa  
Microalgal biomass that comprises cells of Chlorella pyrenoidosa which contain greater than 2.0% by dry weight of L-ascorbic acid (Vitamin C), microorganisms and processes that form the biomass,...
5474924 Method for producing 2-keto-L-gulonic acid  
2-keto-L-gulonic acid is in high yield produced by contacting a microorganism of the genus Pseudogluconobacter, either as it is or after processing, with L-sorbose.
RE34851 Biosynthesis of 2 keto-L-gulonic acid  
A process of producing 2-keto-L-gulonic acid from sorbose via a recombinant bacteria including expression vectors and probes for producing said recombinant bacteria.
5288619 Enzymatic method for preparing transesterified oils  
An enzymatic transesterification method for preparing a margarine oil having both low trans- acid and low intermediate chain fatty acid content is disclosed. The method includes the steps of...
5234819 Method for preparing 2,5-diketo-D-gluconic acid  
2,5-Diketo-D-gluconic acid is prepared in high yield and in high broth concentration by cultivating newly isolated microorganisms of genus Erwinia in an aqueous nutrient medium in the presence of...
5190869 Process for obtaining sorbitol and gluconic acid or gluconate usingZymomonas mobilis  
The long-term activity of the biocatalyst for the production of sorbitol and gluconic acid from an aqueous solution of fructose and glucose is considerably improved with the aid of permeabilized...
5179012 Process for the production and extraction of antioxidants from a micro-organism culture  
The process consists of culturing in a closed photobioreactor (2) microalgae suspended in a culture medium (1), the oxygen produced by the microalgae by photosynthesis being collected and then...
5169759 Removal of riboflavin from fermentation suspensions  
Riboflavin is removed from fermentation suspensions by them being heated at from 50° to 90° C. for from 1 to 3 hours, than cooled to from 0° to 30° C. over a period of from 1 to 5 hours, and...
5137660 Regioselective synthesis of 1,3-disubstituted glycerides  
A process for the selective esterification of glycerol and 1-glyceryl derivatives to 1,3-disubstituted glycerides is disclosed. This process uses a water immiscible solvent, either a hydrocarbon...
5134077 Microorganisms of the genus Erwinia useful for preparing 2,5-diketo-D-gluconic acid  
2,5-Diketo-D-gluconic acid is prepared in high yield and in high broth concentration by cultivating newly isolated microorganisms of genus Erwinia in an aqueous nutrient medium in the presence of...
5079153 Process for the preparation of organic esters of ascorbic acid or erythorbic acid using ester hydralases in organic solvents containing 100-10,000 ppm of water  
A process for the preparation of an organic ester of ascorbic acid or erythorbic acid represented by the general formula (II) or (III): ##STR1## wherein R1 is alkyl, aralkyl, or aryl, by reacting...
5071753 Process for the enzymatic preparation of organic esters of ascorbic acid or erythorbic acid  
A process for the preparation of an organic ester of ascorbic acid or erythorbic acid represented by the general formula (II) or (III): ##STR1## wherein R1 is alkyl, aralkyl, or aryl, by reacting...
5043275 Process for the fermentative oxidation of reducing disaccharides  
A process for the fermentative oxidation of reducing disaccharides to aldobionic acids, wherein a fermentation medium containing a reducing disaccharide and growth components is treated under...
5017485 Process for obtaining sorbitol and gluconic acid by fermentation, and cell material suitable for this purpose  
A process is disclosed for obtaining sorbitol and gluconic acid, or gluconate, by fermentation in aqueous glucose/fructose mixtures. Zymomonas mobilis cells are used which have been permeabilized...
5004690 Ascorbic acid intermediates and process enzymes  
A process for the preparation of 2-keto-L-gulonic acid (2-KLG) from 2,5-diketo-D-gluconic acid (2,5-DKG) using a DNA sequence encoding 2,5-DKG reductase. The 2-KLG is a precursor for the synthesis...
5001059 L-ascorbic acid production in microorganisms  
Improved production of ascorbic acid is obtained empolying Chlorella as a microorganism source and growing the culture under a controlled pattern of carbon source supply. Greatly improved ratios...
4997756 Process for preparing sorbic acid  
A process for preparing sorbic acid which comprises treating sorbic aldehyde with at least one microorganism selected from Mycobacterium, Rhodopseudomonas, Streptomyces, Acetobacter, Alcaligenes...
4894229 Carrier-bound immunogenic determinants and carrier therefor  
An immunogenicity increasing carrier substance for immunogenic determinants is composed of particles derived from gram-negative cells substantially devoid or depleted of their natural immunogenic...
4877735 Process for producing 2-keto-L-gulonic acid  
An improved process for producing 2-keto-L-gulonic acid which comprises culturing a microorganism belonging to the genus Pseudogluconobacter which has an ability to oxidize L-sorbose to...
4876195 Process for producing 2-keto-D-glucaric acid  
2-Keto-D-glucaric acid is produced in high yield by contacting raw material saccharides (e.g. D-glucose) with a bacterium belonging to the genus Pseudogluconobacter or processed matters thereof.
4874706 Manufacture and use of tagetitoxin  
An exotoxin of the plant pathogen, Pseudomonas syringae pv. tagetis selectively inhibits the development of chloroplasts in growing plant tissue. The exotoxin, known as tagetitoxin, can be...
4755467 Method for the production of sorbitol and gluconate  
A method for the simultaneous production of sorbitol and either gluconolactone or gluconate from glucose and fructose. To this end to produce sorbitol and gluconolactone, glucose and fructose are...
4547226 Preparation of high fructose syrups from citrus residues  
The sugar content of citrus press liquor is enhanced by separating citrus solids, extracting fructose, glucose, and sucrose from the solids, and recombining the aqueous extract to increase the...
4530902 Method for producing fructose-1,6-diphosphoric acid  
A ferric salt of the fructose-1,6-diphosphate is disclosed, which can be precipitated quantitatively from FDP-containing mixtures and has the formula (FDP)3 Fe4. For preparing such salt, a ferric...
4505817 Fibrin gel-containing filter of porous material  
There is disclosed a filter comprising fibrin in gel form, the gel having substantially uniform pore sizes, and the filter comprising means for retaining the shape of at least one surface of the...
4490467 Polysaccharide production using novel strains of Pseudomonas mendocina  
A process for producing polysaccharide consisting of a partially acetylated variable block copolymer of D-mannuronic and L-guluronic acid residues comprises growing a biologically pure culture of...
4478936 In vitro enzymatic process for producing glucuronides  
An in vitro enzymatic process for preparing O-β-D-glucuronides which comprises reacting a solution of D-glucuronic acid with a solution of a compound which has a primary alcohol, and a solution of...
4460686 Glucose oxidation with immobilized glucose oxidase-catalase  
Economical oxidation of glucose is achieved by oxidation with an immobilized glucose oxidase-catalase composition in a reaction mixture at low temperatures below 15° C., preferably between 10° C....
4355158 Process for the preparation of riboflavin  
A process is provided for preparing riboflavin from D-glucose in good yield and under efficient conditions.
4351902 Production of 2-keto-D-gluconic acid and hydrogen peroxide  
A process is described which is useful as a co-process in combination with a process which employs hydrogen peroxide. The process of the invention provides a source of hydrogen peroxide along with...
4345031 Process for the manufacture of aldonic acids by an enzymatic method  
A process for the preparation of an aldonic acid from the corresponding ose, comprising enzymatically oxidizing the ose in a reaction mixture containing oxygen. The molar ratio of oxygen to ose in...
4316960 Preparation of 2,5-diketogluconic acid  
A process for the preparation of 2,5-diketogluconic acid by the aerobic propagation of Acetobacter cerinus in a fermentation medium containing above about 20 and up to about 30% (wt/vol) glucose...
4263402 Process for producing 2,5-diketogluconic  
A process for producing 2,5-diketogluconic acid which comprises aerobically propagating Acetobacter cerinus in a D-glucose-containing fermentation medium.
4259443 Synthesis of ascorbic acid from lactose  
A method of synthesizing vitamin C (ascorbic acid) directly from the hydrolysis products of lactose. Lactose, economically obtained from whey, undergoes hydrolysis with a warm aqueous slurry of...

Matches 51 - 100 out of 120 < 1 2 3 >