Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
11/2010
11/25/2010US20100298598 Method of Preparing a Molecular Sieve Composition
11/25/2010US20100297715 Method for producing succinic acid
11/24/2010EP2252570A1 An improved process to prepare treprostinil, the active ingredient in remodulin ®
11/24/2010EP1922299B1 Method for producing organometallic framework materials containing main group metal ions
11/24/2010EP1917228B1 Mesoporous metal-organic framework
11/24/2010EP1805126B1 Method for producing pyruvic acid
11/24/2010EP1521623B1 Method for the rectifying separation of fluids containing (meth)acryl monomers
11/24/2010EP1273343B1 Method of separating imide compound
11/24/2010CN201644094U Vent device of gluconate catalytic oxidation equipment
11/24/2010CN201644080U Circulating oxygen-adding backflow device of glucose acid salt catalyzing oxidation equipment
11/24/2010CN201643986U Membrane filter for gluconates
11/24/2010CN1696100B Now short cutting method for synthcsizing Adpalin dryg trcatubg acnc
11/24/2010CN1634846B Process for preparing sodium stibogluconate
11/24/2010CN101896613A Method for producing succinic acid
11/24/2010CN101896448A Method for producing isopropanol and 2-butanol from the corresponding alkanes
11/24/2010CN101892070A Biological oil emulsifying and separating method
11/24/2010CN101891715A Novel compound and preparation method and use thereof
11/24/2010CN101891609A Inclusion separating method and application of isomerides of 3-diphenic acid and 4-diphenic acid
11/24/2010CN101891608A Method for preparing ferulic acid by separation
11/24/2010CN101891607A Production method for synthesizing zinc fumarate feed addictive by using secondary zinc oxide
11/24/2010CN101891606A New method for synthesizing rhodium caprylate (II)
11/24/2010CN101891605A Method for removing acetone in process of carbonyl synthesis of acetic anhydride
11/24/2010CN101891596A New compound and preparation method and application thereof
11/24/2010CN101891569A Preparation method of alpha-aromatic ketone compound
11/24/2010CN101890369A Liquid-solid phase loaded catalyst used in production of acetic acid and preparation method thereof
11/24/2010CN101890367A IPN load palladium metal catalyst, preparation method and application thereof in catalytic Heck coupling reaction
11/24/2010CN101890323A Reactor for preparing succinyl oxide by maleic anhydride hydrogenation
11/24/2010CN101090770B Process for transition metal-catalyzed asymmetric hydrogenation of acrylic acid derivatives, and a novel catalyst system for asymmetric transition metal catalysis
11/23/2010US7838701 Measuring the density of a stream containing acetaldehyde and methyl iodide, optionally calculating the relative concentrations of acetaldehyde and methyl iodide in the stream, and adjusting distillation or extraction process parameters based on the measured density or one or more relative concentrations
11/23/2010US7838700 Solvent extraction; neutralization with base ; crystallization from aqueous solution containing mineral acids
11/23/2010CA2462273C Method of removing iron oxide deposits from the surface of titanium components
11/18/2010WO2010131604A1 Method for producing (meth)acrylic acid
11/18/2010WO2010131603A1 Method for producing (meth)acrylic acid and crystallization system
11/18/2010WO2010131589A1 Method for producing (meth)acrylic acid
11/18/2010WO2010130972A2 Carbonylation process
11/18/2010WO2010130299A2 Method for producing oxide-based metal-organic framework materials by means of inverse methods
11/18/2010US20100292480 Process and intermediates for preparing integrase inhibitors
11/18/2010DE102010010588A1 Verfahren zur Regeneration eines Katalysators zur Herstellung von Methacrylsäure und Verfahren zur Herstellung von Methacrylsäure A method for regenerating a catalyst for producing methacrylic acid and process for production of methacrylic acid
11/18/2010DE102010010587A1 Reproduction of catalyst for methacrylic acid production consists of heteropolyacid compound involves preparing aqueous slurry, drying to obtain solid heteropolyacid compound, preparing another aqueous slurry, drying and baking
11/18/2010CA2760654A1 Carbonylation process
11/18/2010CA2760650A1 Carbonylation process
11/18/2010CA2760648A1 Carbonylation process
11/17/2010EP2251412A2 Preparation of microbial polyunsaturated fatty acid containing oil from pasteurised biomass
11/17/2010EP2251411A2 Preparation of microbial polyunsaturated fatty acid containing oil from pasteurised biomass
11/17/2010EP2251410A2 Preparation of microbial polyunsaturated fatty acid containing oil from pasteurised biomass
11/17/2010EP2251318A1 Method for preparing fesoterodine fumarate
11/17/2010EP2251316A1 Method for producing optically active ester and method for producing optically active carboxylic acid
11/17/2010EP2251314A1 Carbonylation process
11/17/2010EP2251083A1 Carbonylation catalyst and process
11/17/2010EP2251082A1 Carbonylation catalyst and process
11/17/2010EP1709144B1 Method for the preparation of conjugated linoleic acid
11/17/2010EP1595862B1 Process for production of iodine compounds and process for production of high-purity 5-iodo-2-methylbenzoic acid
11/17/2010EP1562695B1 Multiphasic microchannel reactions
11/17/2010EP1484302B1 Process for producing (meth)acrylic acid
11/17/2010CN101885680A Method for refining ibuprofen for injection
11/17/2010CN101885679A Preparation method of saturated uranyl acetate staining solution for electron microscopy experiment
11/17/2010CN101885678A Reaction equipment for synthesizing ethylic acid by low-pressure methanol carbonylation of methanol
11/17/2010CN101885677A Preparation method for high-alkaline calcium naphthenate
11/17/2010CN101445262B Comprehensive utilization process of waste ITO etching liquid
11/17/2010CN101289382B Separation process of bromoundecanoic acid by freezing crystal
11/16/2010US7833763 Method for producing organic acid
11/16/2010CA2412910C Ferrocenyl diphosphines and their use
11/11/2010WO2010127909A1 Method and system for purifying monomers
11/11/2010WO2010127448A1 Salts of 3-pentylphenylacetic acid and pharmaceutical uses thereof
11/11/2010WO2009128608A3 Oxidation reactor for manufacturing of crude terephthalic acid
11/11/2010WO2009120215A9 Methods for preparing oxydiphthalic anhydrides
11/11/2010US20100286416 Production method of carboxylic acid compound
11/11/2010CA2761061A1 Salts of 3-pentylphenylacetic acid and pharmaceutical uses thereof
11/11/2010CA2760334A1 Pet radiotracers for imaging fatty acid metabolism and storage
11/10/2010EP2248798A1 Novel lipid compounds
11/10/2010EP2248797A1 Fatty acid metal salt for forming ultrafine metal particle
11/10/2010EP2248792A1 Process for production of oxygen-containing organic compound
11/10/2010EP2247565A1 Metal lactate powder and method for preparation
11/10/2010EP2247384A2 Catalyst for the catalytic gas phase oxidation of aromatic hydrocarbons to form aldehydes, carboxylic acids and/or carboxylic acid anydrides, in particular phthalic acid anhydride
11/10/2010EP2176327B1 Method for the chemical depolymerization of waste polyethylene terephthalate
11/10/2010EP2150518B1 Method for starting a heterogeneously catalyzed partial gas phase oxidation of acrolein into acrylic acid or of methacrolein into methacrylic acid
11/10/2010EP2097366B1 Method for producing o-chloromethyl benzenecarbonyl chlorides
11/10/2010EP1397335B1 Resolution process for (r)-(-)-2-hydroxy-2-(2-chlorophenyl)acetic acid
11/10/2010CN1994352B Use of total glucosides extract of cocklebur fruit in preparation of product for resisting inflammatory reaction
11/10/2010CN1976888B Process for carbonylating phenylalkyl derivatives by means of carbon monoxide
11/10/2010CN101880235A Preparation method of long-chain semi-aromatic nylon salt
11/10/2010CN101880225A Method for extracting lactic acid from corn starch wastewater fermentation liquid by using anion exchange resin
11/10/2010CN101880224A Method for splitting 6,8-dichlorocaprylate
11/10/2010CN101880223A Method for preparing calcium formate from carbon monoxide and calcium hydroxide
11/10/2010CN101555203B Continuous acidolysis method of citrate
11/10/2010CN101417943B Simple method and system for refining mother liquor by high efficiency recovery and utilization of PTA apparatus
11/10/2010CN101306990B Second-stage reaction process for preparing propenoic acid or ester from lactic acid or ester
11/10/2010CN101225039B Method for preparing acroleic acid by using glycerol as raw material
11/09/2010US7828978 catalytic chromatographic bed with solid phase catalyst, and mobile phase catalyst; forming fatty acid methyl esters (FAME) from oilseed oil, and methanol; glycerol used to generated renewable raw materials such as propanediol
11/09/2010CA2486960C Process for the production of acetic acid
11/04/2010WO2010126152A1 Process for producing phthalic acid compound including chlorinated aromatic ring
11/04/2010WO2010078328A3 Bio-based terephthalate polyesters
11/04/2010US20100280269 Method for production of acrylic acid
11/04/2010US20100276633 Enhancement of the structure and properties of carbon nanotube fibres and films
11/04/2010US20100275507 Stable suspensions of biomass comprising inorganic particulates
11/04/2010DE102009019248A1 Processing organic acid from fermentation broth in which biomass is separated and filtrate is treated with acid to obtain a mixture, comprises applying the mixture on chromatography resin, rinsing with mobile phase and obtaining fractions
11/03/2010EP2246319A1 Fumaric acid crystallization process
11/03/2010EP2244997A1 Process of separation of glyoxylic acid from an aqueous reaction medium containing glyoxylic acid and hydrochloric acid
11/03/2010EP2244996A2 Method for producing 6-hydroxy hexanoic acid esters
11/03/2010EP2244995A1 Process for the production of acetic acid