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4958016 |
Bifunctional oligosaccharides and also active compounds derived therefrom
Bifunctional oligosaccharides, characterized by the formula ##STR1## wherein R 1 represents a hydrogen atom, an alkyl group having 1-4 carbon atoms or an alkali metal, R 2 represents a single...
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4954439 |
Multiribbon microbial cellulose
The present invention comprises a biologically pure culture of a cellulose-producing microorganism, preferably a prokaryote. This cellulose-producing microorganism is capable, during fermentation...
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4954440 |
Production of polysaccharides from filamentous fungi
A process to produce products, in particular polysaccharides, from filamentous fungi, in an immobilized cell bioreactor wherein the fungus is fixed and adheres to the surface of a porous,...
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4950597 |
Modification of cellulose normally synthesizied by cellulose-producing microorganisms
The present invention involves a process for screening for and isolating spontaneously occurring or induced cellulose II-producing microorganisms. The process comprises a series of steps in various...
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4948733 |
Zoogloea transformation using exopoly saccharide non-capsule producing strains
Two new bacterial strains designated Zoogloea ramigera 115SL and Zoogloea ramigera 115SLR, a rifampicin resistant derivative of 115SL, have been developed. These strains are derived from the wild...
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4946780 |
Method for producing sodium hyaluronate by fermentation method
A method for producing sodium hyaluronate by a fermentation method comprises culturing a mutant strain FM 100 derived from Streptococcus equi and partially free from auxotrophy to thereby stably...
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4942128 |
Microbial cellulose modified during synthesis
The present invention involves a method of producing cellulose. This method comprises inoculating a quantity of nutrient medium comprising a polysaccharide derivative such as carboxymethylcellulose...
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4937184 |
N-demethylefrotomycin
N-demethylefrotomycin, a valuable new antibiotic substance, is produced by the microbial conversion of mocimycin using a novel, efrotomycin-producing, microbial species ATCC 53758.
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4935348 |
Method for the carrying out of a microbiological or enzymatic process
To improve the yield and/or reduce the energy cost in carrying out a microbiological or enzymatic process in a reactor and to make the reaction conditions essentially independent of the size of the...
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4933281 |
Method for producing rhamnose
A method for large-scale production of rhamnose and 3-hydroxydecanoic acid is disclosed comprising the steps of growing microorganisms of Pseudomonas sp. capable of production of high levels of...
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4927757 |
Production of substantially pure fructose
A process is disclosed for the production of substantially pure fructose from sucrose-containing substrates. The process comprises converting the sucrose to levan and glucose, purifying the levan...
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4923809 |
Polysaccharide and process for preparing the same
A novel acidic heteropolysaccharide which comprises as its structural units arabinose, mannose, galactose, glucuronic acid, and xylose, at a specific ratio. The polysaccharide can be prepared by...
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4921793 |
Bacterial process for the production of dispersants
The present invention relates to polymeric dispersing agents for finely divided materials, particularly minerals, which are fermentation products of bacteria. The invention relates to bacterial...
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4914029 |
Process for steeping cereals with a new enzyme preparation
Corn or sorghum kernels are steeped in warm water containing sulfur dioxide in the presence of an enzyme preparation including one or more phytin-degrading enzymes, such as phytase and acid...
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4912049 |
Process for the preparation of cellulose film, cellulose film produced thereby, artificial skin graft and its use
There is described a process for the preparation of cellulose film, comprising the steps of preparing a culture medium having as nutrients sources of nitrogen and of carbohydrate, seeding this...
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4912041 |
Determination of amylase
A method of assay for the presence of α-amylase in a sample employs a derivatized α-oligosaccharide which can be hydrolyzed by an enzyme mix including α-amylase to yield an electroactive...
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4912094 |
Modified lipopolysaccharides and process of preparation
Modified lipopolysaccharides, particularly de-3-0-acylated monophosphoryl lipid A and de-3-0-acylated diphosphoryl lipid A, are provided by an alkaline hydrolysis under controlled conditions which...
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4910137 |
Twig branched cyclodextrin
When an enzymatic reaction is performed in a reaction mixture containing cyclodextrin and a branched maltooligosaccharide or a saccharide mixture of the same in the presence of a branch-splitting...
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4908317 |
Metal accumulation and polysaccharide production
A thermophilic-acidophilic alga, strains of Cyanidium caldarium, is disclosed as having a very effective external uptake of metals from metal-containing aqueous media. A process is disclosed for...
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4908310 |
Water insoluble polysaccharide polymer and method thereof
Polysaccharide polymer produced by cultivating bacteria of the genus Cellulomonas such as ATCC 21399 (Cellulomonas sp.), ATCC #482 (Cellulomonas flavigena) and ATCC #53703 (Cellulomonas flavigena...
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4908311 |
Process for enzymatic preparation of cellooligosaccharides
A process for enzymatic preparation of cellooligosaccharide from a cellulose-base substance by the action of cellulase produced by an microorganism belonging to the Genus Cellvibrio, wherein an...
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4906746 |
Process for the production and extraction of polysaccharides from a porphyridium cruentum culture and apparatus for performing the process
Process for the production and extraction of polysaccharides from a porphyridium cruentum culture and apparatus for performing the process. This production and extraction process comprises a stage...
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4902616 |
Process for the preparation of capsular polysaccharides of staphylococci, the polysaccharides obtained, uses of these polysaccharides and strains for carrying out of the process
The subject of the invention is a process for the preparation of capsular polysaccharides characteristic of Staphylococcus aureus, comprising the use of coagulase-negative strains of staphylococci...
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4900668 |
Preparation of pyruvic acid
Pyruvic acid is prepared by microbiological oxidation of D-(-)-lactic acid.
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4897349 |
Biosynthesis of hyaluronic acid
Improved overall yields of hyaluronic acid are obtained by controlling the oxygen available for metabolism by a hyaluronic acid producing microorganism. Relatively high oxygen concentrations are...
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4895801 |
Method for producing oligosaccharides
A method for producing oligosaccharides which are represented by the general formula Gal-(Gal)n-Glc (where Gal is a galactose residue, Glc is a glucose residue, and n is an integer from 1 to 4)...
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4891318 |
Method for the fermentative preparation of polysaccharides, in particular xanthane
For the fermentative preparation of polysaccharides, in particular xanthane, water, production medium (sugars, nutrient salts), and an inoculation material of a suitable aerobic bacterium are mixed...
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4891317 |
Magnetic alternation of cellulose during its biosynthesis
A method of producing cellulose of amorphous character by subjecting cellulose-producing organisms to a magnetic field substantially greater than 0.5 gauss and preferably at least about 500 gauss....
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4885244 |
Method of producing hyaluronic acid
High molecular weight hyaluronic acid can be efficiently produced by incorporating one or more compounds having at least one aromatic ring to which one or more hydroxyl groups are attached into a...
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4879228 |
Microbial production of polyfructose
A water-soluble levan having a weight average molecular weight of about 10,0000-40 million, preferably about 5-25 million and especially about 10-20 million which stabilizes a bovine serum albumin...
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4874044 |
Method for oil recovery using a modified heteropolysaccharide
A process for recovering hydrocarbons from a subterranean hydrocarbon bearing formation penetrated by an injection well and a production well which comprises injecting an aqueous drive fluid into...
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4873317 |
Method of separating or purifying proteins and other biopolymers
A method for the separation or purification of biopolymers comprises adsorbing the biopolymer on the surface of liquid oil droplets; and separating the adsorbed biopolymer from the oil droplets....
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4871665 |
Process for the preparation of exocellular biopolymers
Process for the preparation of exocellular biopolymers having a thickening effect in aqueous media by aerobic culture of microorganism strains forming the biopolymers in an aqueous nutrient medium...
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4865973 |
Process for extractive fermentation
A process for producing a variety of chemical products, e.g., ethanol, by fermentation in which the product is removed from the fermentation medium as it is formed by liquid-liquid extraction using...
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4863565 |
Sheeted products formed from reticulated microbial cellulose
A method and media for producing bacterial cellulose under agitated culture conditions resulting in sustained production over an average of 70 hours of at least 0.1 g/liter per hour are achieved. A...
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4855149 |
Method for producing novel dried compositions containing polysaccharides
Novel dried compositions containing polysaccharides (dextrans and levans) derived using a Leuconostoc to ferment sucrose to produce the polysaccharides are described. In particular, dried...
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4851235 |
Production of fermented whey products containing an emulsifier
Dairy whey, a waste product of cheese production, is fermented with an organism to produce a whey product containing an emulsifier. Fermentation is carried out by forming a fermentation broth of...
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4851393 |
Method for utilizing an exocellular polysaccharide isolated from zoogloea ramigera
A method for utilizing a purified exocellular polysaccharide, Zooglan, produced by Zoogloea ramigera, as a viscosity modifier, gellant, drag reducing agent, dispersant, flocculant, or emulsifying...
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4849356 |
Fructosyl transferase and the preparation of fructose oligomers therewith
Process for preparing a fructosyl transferase enzyme preparation by cultivating an Aspergillus species and recovering from the culture a preparation having fructosyl transferase activity, wherein...
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4831126 |
Antigenic polysaccharide specific to Brucella abortus and Yersinia enterocolitica serotype 0:9
The antigenic O-chain polysaccharides from Brucella abortus and Yersinia enterocolitica serotype 0:9 have similar structure, i.e. 1-2 linked 4,6-dideoxy-4-formamido-α-D-mannopyranosyl units. The...
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4826624 |
Dispersing liquid hydrocarbon into a second liquid
J-1 which is a strain of cyanobacteria is used to form and excrete a material useful as an emulsifying agent for forming emulsions of hydrocarbons and oils in liquids such as water. Method of...
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4818817 |
Enzymatic degradation of lipopolysaccharide bioemulsifiers
Methods and compositions are provided for the production and use of enzymes that degrade lipopolysaccharide bioemulsifiers, and, in particular, emulsans. The enzymes may be used to demulsify...
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4806474 |
Preparation of mycelial chitosan and glucan fractions from microbial biomass
Chitin from microbial biomass is converted to chitosan and recovered as an essentially glucan-free product. The method involves contacting the biomass with a strong alkali solution at a temperature...
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4806636 |
Heteropolysaccharide produced by Enterobacter sakazakii
A novel heteropolysaccharide produced by strains of Enterobacter sakazakii, such as Enterobacter sakazakii ATCC 53017, Enterobacter sakazakii ATCC 29004, and Enterobacter sakazakii ATCC 12868, is...
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4801539 |
Fermentation method for producing hyaluronic acid
Streptolysin-free hyaluronic acid is produced by cultivating a microorganism belonging to a genus Steptococcus which is anhemolytic and is capable of producing hyaluronic acid (e.g., Streptococcus...
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4788146 |
Liquid loaded pad for medical applications
Liquid loaded pads useful as wound and burn dressings are prepared from pellicles of microbially-produced cellulose obtained, for example, by culturing Acetobacter xylinum. A pellicle having a...
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4784990 |
High molecular weight sodium hyaluronate
A novel mutant microorganism Streptococcus zooepidemicus HA-116 ATCC 39920, has been produced. The microorganism produces large amounts of high molecular weight hyaluronic acid. The invention...
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4780414 |
Method of producing high molecular weight sodium hyallronate by fermentation of streptococcus
A novel mutant microorganism Streptococcus zooepidemicus HA-116 ATCC 39920, has been produced. The microorganism produces large amounts of high molecular weight hyaluronic acid. The invention...
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4758515 |
Process for the preparation of a low-glucose digestion product from inulin-containing parts of plants
Process for the preparation of a low-glucose digestion product from inulin-containing parts of plants, the parts of plants being comminuted, and the inulin being degraded to fructose or fructose...
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4746511 |
Lipopolysaccharide and process for preparation thereof
A lipopolysaccharide characterized by a polysaccharide portion composed of D-arabinose and D-mannose in a 1:3/4 ration and 37 to 47% of a fatty acid portion having 14-19 carbon atoms bonded to the...
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