Class 435/917 - Aspergillus niger

Subclass of Class 435 - Chemistry: molecular biology and microbiology
No. of patents: 105
Last issue date: 08/19/2008

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Number	Title	Issue Date
7413881	Chitosan and method of preparing chitosan A highly deacetylated chitosan obtained from microbial biomass, a method of obtaining chitosan from microbial biomass, and biomass for making chitosan are disclosed. The method includes providing chitin-containing biomass; reacting the chitin-containing biomass in a...	08/19/2008
7078183	Modified phytases A process for the production of a modified phytase with a desired property improved over the property of the corresponding unmodified phytase is disclosed, as well as modified phytases, polynucleotides encoding modified phytases, and animal feed including modified p...	07/18/2006
6982163	Process for preparing beta-fructofuranosidase enzyme and a process for producing fructooligosaccharides A process for preparing beta-fructofuranosidase enzyme and a process for producing fructooligosaccharides, in which the preparation of the enzyme is obtained by cultivating the fungus Aspergillus niger, either wild or mutated, in a preferably semi-solid cultu...	01/03/2006
6936460	Microbial activation of layer silicates A process for the microbial activation of layer silicates. ...	08/30/2005
6835559	Process for the production of optically active β-amino alcohols A process for producing an optical active β-amino alcohol, the method comprising the step of allowing at least one microorganism selected from the group consisting of microorganisms belonging to the genus Morganella and others, to act on an enantiomeric mixture of ...	12/28/2004
6734004	Modified phytases A process for the production of a modified phytase with a desired property improved over the property of the corresponding unmodified phytase is disclosed, as well as modified phytases, polynucleotides encoding modified phytases, and animal feed including modified p...	05/11/2004
6534303	Process for the preparation of acidic lipase The present invention provides a process for the preparation of acidic lipase from microbial sources with activity at highly acidic pH, the process comprising growing Aspergillus niger sp. in a fermentation medium containing carbon and nitrogen sources al...	03/18/2003
6448051	Process for the preparation of 4(R)-hydroxy cyclopent-2-en1(S)-acetate The present invention relates to a process for the preparation of 4-(R)-hydroxycyclopent-2-en-1 (S)-acetate of the formula 2 ##STR1## by reacting meso-cyclopent-2-en-1, 4-diacetate of formula 1 ##STR2## with a whole cell enzyme in a mixture of a buffer an...	09/10/2002
6448053	Erythritol-producing yeast strains A method of producing erythritol. The method includes growing in a culture an isolated yeast strain that possesses certain unique characteristics and is capable of converting glucose to erythritol in a glucose-containing medium, and purifying erythritol f...	09/10/2002
6300107	Erythritol-producing yeast strains A yeast strain capable of converting glucose to erythritol, said strain having the following identifying characteristics: an absence of motile spores; septate mycelia; asexual reproduction; an absence of reniform cells; conidia optionally formed on short ...	10/09/2001
6218158	Biotransformation of fatty substrates This invention relates to a process for enzymic oxidation of a fatty acid to produce an oxidation product in the presence of water and oxygen wherein the fatty acid, water and enzyme for the oxidation are substantially uniformly distributed throughout a p...	04/17/2001
6162637	Aspergillus niger which produces vanillic acid from ferulic acid Method for the production of vanillic acid and vanillin by bioconversion from ferulic acid in a medium containing phospholipids cultured with at least one microorganism from the classes Ascomycetes, Basidiomycetes or Actinomycetes. Vanillin is also produc...	12/19/2000
6162611	Subcutaneous glucose electrode A small diameter flexible electrode designed for subcutaneous in vivo amperometric monitoring of glucose is described. The electrode is designed to allow "one-point" in vivo calibration, i.e., to have zero output current at zero glucose concentration, eve...	12/19/2000
6140094	Protein with phospholipase activity This invention relates to a protein having phospholipase activity, which is characterised in that it has the mature sequence of Aspergillus lysophospholipase or a sequence derived therefrom and that it may be cleaved at at least one site, wherein, in the ...	10/31/2000
6139902	Phytase and gene encoding said phytase This invention relates to an inexpensive phytase with a low Km value for phytic acid, DNA coding for the phytase, recombinant DNA having the DNA introduced thereinto, a transformant carrying the recombinant DNA, a process for preparing a phytase by use of...	10/31/2000
6121025	Process for producing optically active 3-quinuclidinol derivatives The present invention relates to a process for producing optically active 3-quinuclidinol or derivatives, wherein a racemic 3-quinuclidinol ester represented by the general formula (I): ##STR1## wherein R represents a straight-chain or branched alkyl...	09/19/2000
6087139	Process for producing citric acid and/or citrates Citric acid and/or the salts thereof are produced from a raw material containing carbohydrates. An aqueous solution of the raw material is converted into a first solution containing citric acid by means of fermentation, and from the first solution a secon...	07/11/2000
6001640	Vegetable oil enzymatic degumming process by means of aspergillus phospholipase A degumming step in the production of edible oils is disclosed. Vegetable oils from which hydratable phosphatides have preferably been eliminated by a previous aqueous degumming process, are freed from non-hydratable phosphatides by an enzymatic treatment...	12/14/1999
5981241	Method of producing erythritol A method of producing erythritol is disclosed, in which a microorganism having an ability of producing erythritol is cultivated for generation in a medium containing preferably 5 ppm or more of calcium, and erythritol is collected from the culture, thus p...	11/09/1999
5962276	Purified acid-stable alpha-amylase from fungal origin The present invention describes a simple and inexpensive purification method for acid-stable fungal alpha-amylase wherein the alpha-amylase is obtained without significant loss of enzyme activity. The purified acid-stable alpha-amylase which is obtained i...	10/05/1999
5919672	Resolution of trans-2-(alkoxycarbonylethyl)-lactams useful in the synthesis of 1-(4-fluoro-phenyl)-3(R)-(S)-hydroxy-3-(4-fluorophenyl)-propyl!-4(S)-(4 -hydroxyphenyl)-2-azetidinone A process for the microbiological or enzymatic hydrolytic resolution of racemic trans-2-(alkoxycarbonylethyl) lactams of the formula I: ##STR1## wherein R is C1 -C7 alkyl, 2,2,2-trifluoroethyl or methoxyethoxyethyl and R1	07/06/1999
5866406	Oxidase-producing aspergillus niger To provide increased levels of oxidase, mutants of Aspergillus niger that constitutively synthesize glucose oxidase when grown in a medium having less than 0.1M (molar) glucose are obtained. To obtain mutants, a microorganism is cultured with a substrate ...	02/02/1999
5849559	Arabinoxylan degrading enzymes Methods and expression constructs are provided for the cloning and overexpression of an arabinoxylan degrading enzyme of fungal origin in a selected microbial host cell. The enzyme is shown to be active in the degradation of water-insoluble solids obtaine...	12/15/1998
5801034	Method for killing cells without lysis and enzyme recovery This invention provides a method for killing cells in fermentation mixtures in order to prepare the fermentation mixture for processing to recover or extract a desired product from the fermentation mixture. A preferred method of this invention comprises i...	09/01/1998
5766931	Composition and methods for destroying hydrogen peroxide Compositions and methods for destroying hydrogen peroxide, for example, contact lens disinfecting amounts of hydrogen peroxide, are disclosed. The present invention utilizes non-mammalian-derived catalase, for example, catalase obtained as a result of the...	06/16/1998
5672504	Process for enriching an R,S!-1,2-epoxide in one enantiomer by using microbes to convert one enantiomer to the other or to preferentially open the epoxide ring A microorganism or a preparation thereof is permitted to act on a mixture of enantiomers of an epoxide such as 3-chlorostyrene oxide and the product optically active epoxide is recovered. The microorganism able to produce an optically active (S)-epoxide f...	09/30/1997
5662903	Compositions for the prevention and treatment of viral-induced tumors Prophylactic and therapeutic agents for the prevention and treatment of viral-induced tumors and, in particular, compositions derived from an Aspergillus fermentation extract, and the use thereof, either directly or to prepare a medicament, for the preven...	09/02/1997
5662902	Compositions for the prevention and treatment of viral-induced tumors Prophylactic and therapeutic agents for the prevention and treatment of viral-induced tumors and, in particular, compositions derived from an Aspergillus fermentation extract, and the use thereof, either directly or to prepare a medicament, for the preven...	09/02/1997
5565329	Method for determining histamine by measuring dissolved oxygen The present invention relates to a method of determining histamine content as a freshness index of food. An examination liquid is injected in a reaction cell, an amount of dissolved oxygen (DO) is recorded through an oxygen sensor and an amplifier in the ...	10/15/1996
5562900	Compositions for the prevention and treatment of viral-induced tumors Prophylactic and therapeutic agents for the prevention and treatment of viral-induced tumors and, in particular, compositions derived from an Aspergillus fermentation extract, and the use thereof, either directly or to prepare a medicament, for the preven...	10/08/1996
5532148	Process for producing of citric acid and monovalent citrate salts A short process is disclosed for the production of citric acid in high yield and purity. Conidia of Aspergillus niger are cultured in an aqueous solution of decationized glucose syrup in a fermentation medium whose manganese(II) concentration is 2.5 to le...	07/02/1996
5512454	Enzymatic acylation of 3-hydroxymethyl cephalosporins O-acylated cephalosporins are produced by reacting 3-hydroxymethylcephalosporins with an acyl donor containing at least three carbon atoms and an enzyme which is a Rodosporidium toruloides esterase, a wheat germ lipase, an Aspergillus niger lipase, an ora...	04/30/1996
5500359	Method for producing a therapeautic composition for papillomavirus-induced tumors with aspergillus niger Prophylactic and therapeutic agents for the prevention and treatment of viral-induced tumors and, in particular, compositions derived from an Aspergillus fermentation extract, and the use thereof, either directly or to prepare a medicament, for the preven...	03/19/1996
5457052	Process for the preparation of optically active 3-chloro-1-phenyl-propanol by a lipase catalyzed hydrolysis An enantiomeric mixture of a 3-chloro-1-(substituted) phenyl-1-propyl ester of a saturated or unsaturated aliphatic acid is treated with an enzyme which can asymmetrically hydrolyze the mixture, for example, a lipase originating in a microorganism of the ...	10/10/1995
5432064	Process for dephosphorylating linear polynucleotide substrate with prosphatase form aspergillus niger The present invention relates to the preparation of a novel heat-labile phosphatase enzyme from the filamentous fungus Aspergillus niger. This A. niger phosphatase enzyme has a native molecular weight of approximately 80,000 daltons, and is shown by polya...	07/11/1995
5378621	Killing cells without lysis in a method for enzyme recovery from a fermentation broth This invention provides a method for killing fungal cells without lysing in fermentation processes in order to prepare the fermentation mixture for processing to recover or extract an extracellularly expressed enzyme from the fermentation mixture. A prefe...	01/03/1995
5318895	Aspergillus niger mutants Disclosed are new Aspergillus niger mutants which can be used for identifying active FK-506/ rapamycin type, or cyclosporin A type inununosuppressants in a broth, natural product extract, or composition exhibiting inununosuppressant activity. Specifically...	06/07/1994
5279950	Bioconversion process for the production of vanillin The present invention is directed to a process for the production of vanillin through the bioconversion of a vanillin precursor with a tissue culture of undifferentiated callus cells derived from a vanilla plant and/or enzymes obtained therefrom in the pr...	01/18/1994
5270194	Stabilized glucose oxidase from Aspergillus Niger An aqueous liquid composition is disclosed. The composition comprises a stabilized glucose oxidase solution having a pH of from about 6.0 to 8.0 and contains phosphate at a concentration of 1500 to 2500 mM/l. The glucose oxidase retains at least 80% of it...	12/14/1993
5268283	Method for the production of detergent builder formulations utilizing spray granulated citric acid and salts thereof Disclosed are compositions of particulate citric acid or an alkali metal or alkaline earth metal salt thereof prepared by an improved method and an improved method of preparing a detergent builder composition. The method of preparing particulate citric ac...	12/07/1993

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Class 435/917 - Aspergillus niger