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Chemistry: Molecular Biology And Microbiology > Micro-organism, Tissue Cell Culture Or Enzyme Using Process To Synthesize A Desired Chemical Compound Or Composition > Preparing Oxygen-containing Organic Compound > Containing A Carboxyl Group > Lactic Acid

Lactic Acid

Lactic Acid patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

04/03/14 - 20140093924 - Biofilm photobioreactor system and method of use
Flat panel biofilm photobioreactor systems with a photosynthetic, autofermentative microorganism that forms a biofilm and methods for using the same to make metabolic intermediate compound(s) through photosynthesis and to convert metabolic intermediate compound(s) into chemical product(s) such as a biofuel or a feedstock through autofermentation....

03/27/14 - 20140087435 - Novel microbial biocatalysts that enables use of cellodextrin as biofuel
The present disclosure provides genetically engineered biocatalysts which enable intracellular assimilation of cellodextrin. The genetically engineered biocatalyst co-expresses a cellodextrin phosphorylase (CDP) gene and a cellobiose phosphorylase (CBP) gene. Further, the genetically engineered biocatalyst includes a first synthetic promoter used to express the cellodextrin phosphorylase (CDP) gene and a second...

02/20/14 - 20140051138 - Mutant strain of lactic acid producing yeast and process for producing lactic acid
A lactic acid-producing yeast mutant which is a mutant of a yeast prepared by introduction of a lactate dehydrogenase gene that results in lactic acid-producing ability, the mutant having, in a medium at pH 3, a lactic acid-producing ability equivalent to or higher than the lactic acid-producing ability of a...

01/16/14 - 20140017745 - Genetic modification of homolactic thermophilic bacilli
Disclosed herein is a genetic modification of moderately thermophilic Bacillus species that are facultative anaerobic and homolactic. The method includes introducing DNA cloned in a thermosensitive plasmid system containing a pSH71 replicon or a homologue thereof into cells of a moderately thermophilic Bacillus species that is facultative anaerobic and homolactic;...

01/16/14 - 20140017746 - Method of producing lactic acid by continuous fermentation
A method of producing lactic acid by continuous fermentation includes filtering a culture of polyploidy prototrophic yeast having a capacity to produce lactic acid by introduction of a lactate dehydrogenase gene through a porous membrane having an average pore size of not less than 0.01 μm and less than 1...

12/19/13 - 20130337517 - Enhanced efficiency ethanol and sugar conversion processes
Overlay processes are disclosed for making ethanol that not only increase ethanol conversion but do so in a cost effective manner with a reduction in energy requirements per unit of ethanol production. The processes can provide, if desired, higher organic compound as a co-product with ethanol....

12/12/13 - 20130330792 - Method for producing chemicals by continuous fermentation
A method of producing a chemical by continuous fermentation includes a fermentation step of converting a fermentation feedstock to a fermentation liquid containing a chemical by fermentation on cultivation of a microorganism; a membrane separation step of recovering the chemical as a filtrate by a separation membrane from the fermentation...

12/05/13 - 20130323805 - Production method for chemicals by continuous fermentation
A method of producing chemicals through continuous fermentation includes washing a membrane with a washing liquid supplied from a permeate side of a membrane unit in a continuous fermentation; filtering a culture medium containing a fermentation feedstock, a chemical and a microbe or a cultured cell through a separation membrane;...

10/31/13 - 20130288319 - Use of monascus in organic acid production
The present invention provides tools and methods for producing organic acids using strains of Monascus which are tolerant to high organic acid concentrations at low pH....

10/24/13 - 20130280773 - Method for producing chemical by continuous fermentation
A method of producing a chemical includes a fermentation step that converts a fermentation feedstock, through fermentation by culturing a microorganism or culture cells, into a fermented liquid containing the chemical, and a membrane separation step that collects the chemical, as a filtrate, from the fermented liquid with the use...

10/10/13 - 20130266995 - Method for producing d-type lactic acid
The present invention provides a method for producing D-type lactic acid, by a sugar fermentation of sugar. In accordance with the method of the invention, lactic acid produced during the fermentation reaction is selectively absorbed and detached using an active carbon stick. The method does not require steps, such as,...

10/10/13 - 20130266996 - Method and apparatus for producing lactic acid
The present invention provides an apparatus and a method for producing lactic acid, wherein only lactic acid is selectively absorbed and separated from fermentation liquor using a lactic acid absorption resin and wherein a neutralizing agent is not used. The present invention does not include a neutralizing process and a...

09/26/13 - 20130252293 - Process for producing bio-based product from straw hemicellulose and fully utilizing the components thereof
Provided is a process for producing biomass-based product from straw hemicellulose and utilizing the components thereof thoroughly. Steam-explosion and acid-hydrolysis are combined in the pre-treatment of straw in the process, thus a higher concentration of a sugar liquid can be obtained, and furfural and acetic acid can be recovered. The...

07/04/13 - 20130171705 - Novel lactic acid bacterium and method for producing l-lactic acid using same
L-Lactic acid fermentation using non-edible biomass requires a lactic acid bacterium suitable for fermentation using a mixture comprising oligosaccharides or mixed saccharides produced by enzymatic treatment of cellulose and hemicellulose, so that simultaneous saccharification and fermentation are enabled. Further, it must be taken into consideration that use of pentoses such...

06/20/13 - 20130157329 - System and process for correcting constant volume acidity of fermentative media for producing organic acids
A system (100, 200) is described for correcting constant volume acidity of fermentative media for the production of organic acids, which comprises a fermenter (1) provided with a pH sensor (P1) a filtration module (2) provided with a filtering element, an addition vessel (3) provided with a main metering element...

06/06/13 - 20130143286 - Bacillus coagulans strains and their applications in l-lactic acid production
The invention is concerned with the strains of B. coagulans for lactic acid production and the related methods, in which the carbon sources are pentose or hexose or the agricultural or industrial wastes containing pentose or hexose or a mixture of both. According to the invention, the highest amount of...

06/06/13 - 20130143287 - Process for the conversion of biomass of plant origen, and a combustion process
The invention provides a process for the conversion of biomass into a biomass product which is suitable for use as a fuel. The biomass is of plant origin and comprises microorganisms naturally occurring in the biomass. The process comprises—preparing a slurry by dispersing the biomass comprising the naturally occurring microorganisms...

05/02/13 - 20130109066 - Acid production by fermentation
The invention provides methods for producing Lactate by anaerobic Fermentation. According to particular methods of the invention, Lactate is produced by anaerobic fermentation of a substrate comprising hydrogen and carbon monoxide....

04/18/13 - 20130095538 - Xylose isomerase and use thereof
It is an object of the disclosure of the present description to provide an eukaryotic cell having xylose utilization ability. The disclosure of the present description provides a novel eukaryotic cell having xylose utilization ability by transforming a yeast or other eukaryotic cell using DNA that codes a xylose isomerase...

04/18/13 - 20130095539 - Lactic acid production method
A method of producing lactic acid by separating lactic acid produced in a culture solution by microbial fermentation, comprising: a step (A) of filtering the culture solution through a nano-filtration membrane; and a step (B) of distilling a lactic-acid-containing solution produced in step (A) under a pressure of 1 Pa...

03/21/13 - 20130071895 - L-lactate production in cyanobacteria
A process of producing L-lactate as defined herein by feeding carbon dioxide to a culture of a cyanobacterial cell and subjecting said culture to light, wherein said cell is capable of expressing a nucleic acid molecule, wherein the expression of said nucleic acid molecule confer on the cell the ability...

02/28/13 - 20130052703 - Manufacturing process of purified lactic acid
A manufacturing process of purified lactic acid includes a fermentation process where a pH adjusting agent containing calcium and a microorganism are added to a sugar-containing solution to produce lactic acid in the form of calcium lactate, and a purification process where sulfuric acid is added to a solution containing...

02/28/13 - 20130052704 - Processing biomass
Biomass (e.g., plant biomass, animal biomass, and municipal waste biomass) is processed for use in the production of useful products, such as fuels. For example, systems can use biomass materials, such as cellulosic and/or lignocellulosic materials, to enhance the production of a product, e.g., the production of ethanol and/or butanol...

02/21/13 - 20130045517 - Fermentation of waste gases
The invention relates to the microbial fermentation of gaseous substrates to produce one or more products. The invention relates to the microbial fermentation of a gaseous substrate derived from the conversion of a biogas stream. The invention relates to the conversion of a biogas stream comprising methane to a gaseous...

01/31/13 - 20130029389 - Method for producing d type lactic acid with high optical purity
The present invention provides a method for producing D-type lactic acid by using E. coli and glucose derived from a plant as active ingredient, in which D-type lactic acid is a raw material of D-type polylactic acid in order to produce a stereo-complex polylactic acid blend which is a valuable...

12/06/12 - 20120309065 - Thermophilic thermoanaerobacter italicus subsp. marato having high alcohol productivity
Strict anaerobic thermophilic bacterium belonging to the group of Thermoanaerobacter italicus subsp. marato subsp. nov. and mutants and derivatives thereof. The bacterium is particularly suitable for the production of fermentation products such as ethanol, lactic acid, acetic acid and hydrogen from lignocellulosic biomass....

10/25/12 - 20120270286 - Hollow fiber membrane module for use in production of chemical substance, and process for production of chemical substance
A hollow fiber membrane module for use in production of a chemical substance, which is used in continuous fermentation including filtering a fermentation broth of a microorganism or a cultured cell through a hollow fiber membrane, collecting a chemical substance from a filtrate, retaining a concentrated solution in the fermentation...

10/18/12 - 20120264183 - Cellulose and xylan fermentation by novel anaerobic thermophilic clostridia isolated from self-heated biocompost
A new species of an anaerobic thermophilic cellulolytic and xylano lytic bacterium is disclosed. One particular strain of this new species has been deposited with the ATCC under Deposit No. PTA-10114. It is also provided a method for isolating, culturing and utilizing this novel bacterium for the conversion of biomass...

09/27/12 - 20120244587 - Fermentation process at reduced pressure
A fermentation process includes contacting a carbohydrate source with a microorganism in an aqueous fermentation broth to form a fermentation product which is a salt or a product with a boiling point above the boiling point of water. The fermentation process is carried out at a pressure which is below...

08/23/12 - 20120214214 - Transformant and process for production thereof, and process for production of lactic acid
The present invention relates to a transformant, containing a lactate dehydrogenase gene which is introduced into Schizosaccharomyces pombe as a host, in which a part of a gene cluster encoding a pyruvate decarboxylase in the Schizosaccharomyces pombe host is deleted or inactivated....

08/16/12 - 20120208248 - Fermentation of moderately thermophilic bacilli on sucrose
A method for the construction of a moderately thermophilic Bacillus strain capable of utilising sucrose as a carbon source includes the transformation of a parent moderately thermophilic Bacillus strain not capable of utilising sucrose as a carbon source with a polynucleotide comprising a DNA sequence that encodes a polypeptide having...

08/02/12 - 20120196338 - Methods and compositions for improving the production of products in microorganisms
Methods and compositions are provided for improving the production of products, such as fuel products like ethanol, in microorganisms. In particular, methods and compositions are described for improving ethanol production utilizing genes identified in Clostridium phytofermentans....

05/24/12 - 20120129231 - Engineering of thermotolerant bacillus coagulans for production of d(-)-lactic acid
Genetically modified microorganisms having the ability to produce D(−)-lactic acid at temperatures between 30° C. and 55° C. are provided. In various embodiments, the microorganisms may have the chromosomal lactate dehydrogenase (ldh) gene and/or the chromosomal acetolactate synthase (alsS) gene inactivated. Exemplary microorganisms for use in the disclosed methods are...

05/17/12 - 20120122166 - Mutant methylglyoxal synthase (mgs) for the production of a biochemical by fermentation
the methylglyoxal synthase activity of the mutant MGS is not inhibited by orthophosphate as compared to the parent enzyme....

05/17/12 - 20120122167 - Method for producing lactic acid
Provided is a method for producing lactic acid, which includes: obtaining D-lactic acid or L-lactic acid by carrying out lactic acid fermentation using a lactic acid-producing microorganism under a pressurized condition that exceeds normal pressure and is capable of maintaining lactic acid production activity of the lactic acid-producing microorganism....

04/19/12 - 20120094343 - Gene knockout mesophilic and thermophilic organisms, and methods of use thereof
One aspect of the invention relates to a genetically modified thermophilic or mesophilic microorganism, wherein a first native gene is partially, substantially, or completely deleted, silenced, inactivated, or down-regulated, which first native gene encodes a first native enzyme involved in the metabolic production of an organic acid or a salt...

03/22/12 - 20120070871 - Polypeptide having d-lactate dehydrogenase activity, polynucleotide encoding the polypeptide, and process for production of d-lactic acid
Highly productive D-lactic acid fermentation uses a transformant obtained by introducing into a host cell a polynucleotide encoding a polypeptide according to any one of the following (A) to (C) in such a manner that the polypeptide is expressed, which polypeptide has a D-lactate dehydrogenase activity higher than those of...

03/08/12 - 20120058528 - Homolactic fermentation from pentose
Provided is a lactic acid bacterium capable of homolactic fermentation using a pentose as a substrate, the lactic acid bacterium utilizing a pentose, and in which a phosphoketolase pathway is blocked and a pentose phosphate pathway is activated. Also provided is a method for producing lactic acid from a pentose...

03/08/12 - 20120058529 - Method for highly efficient production of lactic acid using candida utilis
There is disclosed a yeast strain of Candida utilis, wherein the yeast strain has been transformed with at least one copy of a gene that is operatively linked to a promoter sequence enabling expression of the gene and encodes a polypeptide having activity of lactate dehydrogenase. The yeast strain is...

03/01/12 - 20120052540 - High performance metabolic bacteria
The present invention relates to novel stress-resistant bacteria and the uses thereof. More specifically, the invention relates to isolated stress-resistant bacteria having advantageous properties for the production of organic acids or alcohols in various culture conditions. The invention also relates to methods of producing organic acids or alcohols using said...

02/23/12 - 20120045803 - Method for production of substance in candida utilis using xylose as carbon source
Disclosed is a yeast strain of Candida utilis, wherein the yeast strain has been transformed with at least one of three genes that are operatively linked to a promoter sequence and encode polypeptides having activities of xylose reductase, xylitol dehydrogenase, and xylulose kinase. The yeast strain is useful for producing...

02/16/12 - 20120040421 - Acid production by fermentation
The invention provides methods for producing Lactate by anaerobic Fermentation. According to particular methods of the invention, Lactate is produced by anaerobic fermentation of a substrate comprising hydrogen and carbon monoxide....

12/29/11 - 20110318794 - Method for producing d-lactic acid, and method for increasing optical purity of d-lactic acid or yield of d-lactic acid relative to sugar in lactic acid
Disclosed is a method for producing D-lactic acid by allowing a microorganism to utilize a purified treacle and culturing the microorganism. Also disclosed is a method for increasing the optical purity of D-lactic acid in lactic acid. Specifically disclosed is a method for producing D-lactic acid by allowing a microorganism...

10/20/11 - 20110256596 - Manufacturing method of optically active d type lactic acid using byproducts prepared from rice polishing process
Disclosed is a method for manufacturing D type lactic acid wherein byproducts (e.g., rice bran and pulverized rice) obtained during a rice polishing process are saccharified by using α-amylase and amyloglucosidase and then fermented by a microorganism, Sporolactobacillus inulinus. According to the method, byproducts generated during a rice polishing process...

09/01/11 - 20110212498 - Light-driven co2 reduction to organic compounds to serve as fuels or as industrial half products by an autotroph containing a fermentative gene cassette
A process of producing an organic compound and/or an intermediary compound as defined herein by feeding carbon dioxide to a culture of a cyanobacterial cell and subjecting the culture to light, wherein the cell is capable of expressing a nucleic acid molecule, wherein the expression of the nucleic acid molecule...

07/28/11 - 20110183389 - Production of lactic acid from hemicellulose extracts
A method is provided for producing lactic acid comprising fermenting sugars derived from biomass using sugar consuming bacteria to produce lactic acid. In certain embodiments, the biomass is woody biomass, and the bacteria are pentose consuming bacteria such as Bacillus coagulans....

07/14/11 - 20110171703 - Bacterium capable of producing lactic acid, and method for producing lactic acid
The present invention provides: a lactic acid-producing Escherichia coli including an enzymatic activity of at least one NAD-dependent lactate dehydrogenase and an enzymatic activity of at least one NAD-independent lactate oxidoreductase, both of which are enhanced so as to decompose one of D-lactic acid or L-lactic acid and to produce...

07/14/11 - 20110171704 - Method for producing lactic acid from plant-derived raw material, and lactic-acid-producing bacterium
The present invention provides: a lactic acid-producing Escherichia coli comprising at least one gene of a sucrose non-PTS gene group, including at least a sucrose hydrolase gene, provided that a combination of a repressor protein (cscR), a sucrose hydrolase (cscA), a fructokinase (cscK) and a sucrose permease (cscB) and a...

06/23/11 - 20110151528 - Process for producing organic acid
This invention is intended to improve the efficiency of organic acid fermentation in a simple manner without mutant breeding, DNA recombination breeding, or other means, when producing an organic acid via fermentation with the use of yeast that produces the organic acid of interest. The efficiency of the yeast's ability...

06/02/11 - 20110129885 - Microorganism for the production of succinic acid
The invention relates to an isolated genetically modified microorganism in which the gene IDH1 and at least one of the genes SDH2 and DIC1 are under the control of a first promoter that is repressed to a growth culture medium by means of a cultivation additive and is active in...

05/05/11 - 20110104769 - Improved yeast strains for organic acid production
The present invention relates to the production of organic acids with yeasts that overexpress at least one sugar transporter. The yeast might express further genes related to the production of the desired organic acid. The organic acid is produced by cultivation of the yeast overexpressing a sugar transporter in an...