Class 435/842 - Clostridium

Subclass of Class 435 - Chemistry: molecular biology and microbiology
No. of patents: 118
Last issue date: 03/13/2007

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Number	Title	Issue Date
4560658	Production of butanol by fermentation in the presence of carbon monoxide An improved process for the production of butanol by fermentation of carbon-containing compounds with C. acetobutylicum is disclosed. The fermentation is conducted in an aqueous medium containing a sufficient concentration of dissolved carbon monoxide to ...	12/24/1985
4540666	Methane fermentation A methane fermentation process wherein a strain of the genus Methanobacterium is cultivated in a fermenter containing at least a carbon source, a nitrogen source, inorganic salts and micro-flora for methane fermentation. The strain has a methanogenic acti...	09/10/1985
4540664	Method of saccharifying cellulose A method of saccharifying cellulose by incubation with the cellulase of Clostridium thermocellum in a broth containing an efficacious amount of a reducing agent. Other incubation parameters which may be advantageously controlled to stimulate saccharificat...	09/10/1985
4539293	Production of butanol by fermentation in the presence of cocultures of clostridium Sugars are converted to a mixture of solvents including butanol by a fermentation process employing a coculture of microorganisms of the Clostridium genus, one of said microorganisms favoring the production of butyric acid and the other of which converts ...	09/03/1985
4536477	Thermostable glucoamylase and method for its production This invention relates to a glucoamylase enzyme exhibiting thermostability at pH values between 6 and 7 which is derived from a spore-forming, thermophilic, anaerobic bacterium and to a process for its production. The glucoamylase is especially useful for...	08/20/1985
4529701	Product and process for stimulating bacterial action in an anaerobic digestion system A product and process for stimulating bacterial action in an anaerobic digestion system is disclosed. The product includes an inhibitory ion regulating component and an inorganic pyrophosphate containing compound. The process includes forming a mixture of...	07/16/1985
4521516	Strain of Clostridium acetobutylicum and process for its preparation A novel asporogenic strain of Clostridium acetobutylicum is produced by growing a spore-forming strain in a continuous culturing reactor. Culturing is conducted at a dilution rate which prevents accumulation of butanol and acetone in the medium. Culturing...	06/04/1985
4520104	Production of butanol by a continuous fermentation process An improved process for the continuous production of butanol by fermentation of carbohydrates with C. acetobutylicum is disclosed. This process combines continuous inoculum production at a high dilution rate and cycling the fermentation broth through a ma...	05/28/1985
4513084	Mutant strain of Clostridium thermoaceticum useful for the preparation of acetic acid A biologically pure mutant of C. thermoaceticum (ATCC No. 39,289) useful for the production of acetic acid by a fermentation reaction. This mutant is capable of growing at a pH below 5.0 and shows a specific growth rate of at least 0.30 hr-1 wh...	04/23/1985
4443542	Process for the production of butanol and novel microorganism composition used therein A process for producing butanol using a Clostridium microorganism and preferably Clostridium sp. AH-1 (FERM-P 6093, ATCC 39045) in a culture medium containing a cellulose material as the carbon source to produce said butanol and recovering the butanol fro...	04/17/1984
4407954	Fiber fermenter A method and apparatus particularly useful for producing alcohols such as ethanol from sugars such as glucose. The apparatus comprises a container for holding a selected nutrient solution, a substrate comprising a multiplicity of fibers suitable for suppo...	10/04/1983
4405717	Recovery of acetic acid from a fermentation broth A process is provided for the recovery of acetic acid from dilute aqueous solutions. The acid in the form of its calcium salt is treated with a tertiary amine carbonate and the resulting trialkylammonium acetate is isolated and heated to give the acetic a...	09/20/1983
4400470	Use of co-cultures in the production of ethanol by the fermentation of biomass Production of ethanol and enzymes by fermentation of biomass with co-cultures of C. thermocellum and C. thermohydrosulfuricum....	08/23/1983
4371619	Acetic acid by fermentation Acetic acid has been prepared by a fermentation process using Clostridium thermoaceticum in a varied form obtained by repeated fermentations under anaerobic conditions and low redox potentials at successively more acidic pH's than the original organism....	02/01/1983
4352885	Preparation of a novel NADP linked alcohol-aldehyde/ketone oxidoreductase from thermophilic anaerobic bacteria for analytical and commercial use A partially purified NADP specific thermostable alcohol, aldehyde/ketone oxidoreductase is prepared which can react with a wide range of alcohols, ketones and aldehydes. The enzyme has a unique preference for secondary over primary alcohols. The thermosta...	10/05/1982
4335211	Process for producing optically active cephalosporin analogs Disclosed are optically active acylated cephalosporin analogs which are useful as antibacterial agents and methods for preparing such compounds....	06/15/1982
4326032	Process for the production of organic fuel In the disclosed cellulase-catalyzed fermentation process for converting a cellulose- or hemicellulose-containing starting material to an organic fuel, the fermentation medium contains an efficient combination of Clostridium organisms or their enzymes. On...	04/20/1982
4302541	Process of producing optically active cephalosporin analogs by enzyme selective deacylation Optically active cephalosporin analogs are produced by optically selective deacylation of an optically inactive acylated analog. The compounds are useful as intermediates in the preparation of optically active acylated antimicrobial agents....	11/24/1981
4302540	Process of producing optically active cephalosporin analogs by enzyme selective deacylation Disclosed are optically active cephalosporin analogs which are produced by optically selective deacylation of an optically inactive acylated analog. The compounds are useful as intermediates in the preparation of optically active acylated antimicrobial ag...	11/24/1981
4292406	Anaerobic thermophilic culture system A mixed culture system of the newly discovered microorganism Thermoanaerobacter ethanolicus ATCC31550 and the microorganism Clostridium thermocellum ATCC31549 is described. In a mixed nutrient culture medium that contains cellulose, these microorganisms h...	09/29/1981
4286061	Method for continuous culturing of microbes A method for the continuous culturing of microbes in a plug-flow reactor which comprises the steps of: A. supplying medium to microbes immobilized on a porous inorganic support at a rate sufficient to maintain such microbes substantially in a logarithmic ...	08/25/1981
4282323	Removal and concentration of lower molecular weight organic acids from dilute solutions A process for obtaining lower carboxylic acids from aqueous lower carboxylic acid salts, such as obtained from a fermenter. The process involves converting the lower carboxylic acid salt to the corresponding acid with carbon dioxide, extracting the thus f...	08/04/1981
4229544	Living organism packaging A method of packaging, and the package so produced, for maintaining living organisms viable for a long period of time. The living organisms, such as bacteria, fungi, algae, etc., are mixed with a carrier, such as peat. The organism-carrier mixture is then...	10/21/1980
4184918	Method for producing 4-formyl-2-amino-butyric acid (glutamic semialdehyde) A method for producing 4-formyl-2-amino-butyric acid(FABA), which comprises: culturing a mutant capable of producing FABA and belonging to the genus Brevibacterium or Corynebacterium in a culture medium until a substantial amount of FABA has accumulated i...	01/22/1980
4172126	Method for the inactivation of microbial toxins and attenuation of vaccines A method for the inactivation of microbial toxins and attenuation of vaccines by treating the toxin or vaccine with a tannin, especially a condensed tannin derived from fruit of the genus Diospyros, particularly the persimmon, without loss of the desired ...	10/23/1979
4119493	Process for producing a peptide A peptide having the formula wherein A and B are the same or different and represent an amino acid residue or a peptide residue; X represents an amino protective group and Y represents a carboxyl protective group, is prepared by reacting an amino acid or ...	10/10/1978
4071405	Method of producing sulfur containing L-amino acids Method for the production of substituted sulfur containing L-amino acids by contacting ଲ- or γ-substituted amino acids in an aqueous medium containing methioninase together with the precursor of the substituent....	01/31/1978
4071408	Neuraminidase Extracellular neuraminidase (NANAase) is produced by the microorganism Arthrobacter sialophilum sp. nov. The enzyme is induced from this microorganism by a variety of glycoproteins. The preferred enzyme inducer is a hot water extract of edible bird's nest...	01/31/1978
4061538	Enzymatically oxidizing interferon The invention provides structurally modified interferons, processes for producing such and a method of purification of interferons and structurally modified interferons. The modified interferons are useful as anti-viral agents....	12/06/1977
4055468	Processes for producing physiologically active peptide and its N-acyl derivatives A novel physiologically active peptide Val--X--Ala--X, in which X is 4-amino-3-hydroxy-6-methylheptanoic acid, which is prepared from R--Val--Val--X--Ala--X by the action of a microbial enzyme, N-acyl derivatives thereof which are produced by acylating sa...	10/25/1977
4053363	Sputum analysis method An in vitro diagnostic technique for quantitative analysis of human sputum, such as lung fluid, for the presence of microbial pathogens is provided wherein a sputum sample is contacted with a minor quantity of nontoxic saponin to degrade the viscosity of ...	10/11/1977
4039386	Method for determining the viable bacteria count of food and a medium for accomplishing the method A method of determining the viable bacterial count of food which comprises incubating said food in a liquified agar medium which contains from 0.005 to 0.1 gram per liter of said liquified agar medium 2, 3, 5-triphenyl tetrazolium chloride as an inhibitor...	08/02/1977
4035234	Process for the preparation of the kallikrein-trypsin inhibitor The kallikrein-trypsin inhibitor is obtained from animal organs by proteolytic digestion of the organ at an elevated temperature and recovery of kallikrein-trypsin inhibitor by selective adsorption thereof on carrier-bound trypsin and subsequent desorptio...	07/12/1977
4032318	Composting mixture A composting mixture for facilitating the rapid decomposition of organic material to be composted in which there is a relatively small amount of various microorganisms for digesting the material, a relatively small amount of enzymes for breaking down the ...	06/28/1977
4017602	Process for preparing products for use in aerosol form Process for the preparation of products for use in aerosol form comprising the preparation of a base composition, the introduction of this composition into an aerosol container and the use of a propellant, wherein the composition is previously inoculated ...	04/12/1977
3954562	Synthesis of steroids A method of producing 12-dihydro steroids which comprises subjecting a 12-hydroxy steroid to the action of a 12-dehydroxylase producing microorganism....	05/04/1976
3936354	Anti-tumour product of bacterial origin Wild strain Lechien of the organism Clostridium perfringens is attenuated with nitrosoguanidine. To produce an anti-tumor preparation, the attenuated organism is grown first on a growth medium then on a sporulation medium and the resulting growth recovere...	02/03/1976
3932670	Method of manufacturing a bacterial preparation consisting of a normal rumen bacterial flora with an improved ability to utilize ammonium salts A method of manufacturing a bacterial preparation for ruminants which comprises taking out ruminant-stomach bacterial groups from the rumen of a ruminant grown under an excellent condition, repeatedly inoculating by the streak method and culturing the bac...	01/13/1976

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Class 435/842 - Clostridium