Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
05/2012
05/10/2012WO2012060451A1 Cashew nutshell oil of improved stability
05/10/2012WO2012060347A1 Organic hybrid type catalyst
05/10/2012WO2012060281A1 Catalyst and production method for acrylic acid
05/10/2012WO2012060175A1 Oxide catalyst, process for production of oxide catalyst, process for production of unsaturated acid, and process for production of unsaturated nitrile
05/10/2012WO2012059436A2 Phenyl-substituted bicyclooctane-1,3-dione-derivatives
05/10/2012WO2012040503A9 Method and apparatus for the electrochemical reduction of carbon dioxide
05/10/2012WO2012038751A3 Process for the purification of aromatic dicarboxylic acid
05/10/2012US20120116120 Pyrolysis Reactor Conversion of Hydrocarbon Feedstocks Into Higher Value Hydrocarbons
05/10/2012US20120116119 Production of 2,4-hexadienoic acid and 1,3-pentadiene from 6-methyl-5,6-dihydro-2-pyrone
05/10/2012US20120116118 Method for Producing (2,4-Dimethylbiphenyl-3-yl)Acetic Acids, the Esters Thereof and Intermediate Compounds
05/10/2012US20120116113 PROCESS FOR MAKING NEO-ENRICHED p-MENTHANE COMPOUNDS
05/10/2012US20120116099 Method of conveying liquids
05/10/2012US20120116094 Compositions comprising and methods for forming functionalized carbon-based nanostructures
05/10/2012US20120115231 Novel lysophospholipid acyltransferase
05/10/2012US20120112127 Recovery of organic acids
05/10/2012CA2816635A1 Cashew nut shell liquid with improved stability
05/10/2012CA2816415A1 Phenyl-substituted bicyclooctane-1,3-dione-derivatives
05/10/2012CA2815664A1 Quaternized fatty amines, amidoamines, and their derivatives from natural oil metathesis
05/09/2012EP2450342A2 Process for production of a dried carboxylic acid cake suitable for use in polyester production
05/09/2012EP2450341A1 Device for crystallizing acrylic acid and method for crystallizing acrylic acid using same
05/09/2012EP2450340A1 Device and method for crystallizing (meth)acrylic acid
05/09/2012EP2450339A1 Process for production of (meth)acrylic acid
05/09/2012EP2450338A1 Process for production of (meth)acrylic acid
05/09/2012EP2450337A2 Process for making neo-enriched p-menthane compounds
05/09/2012EP2449123A2 Process for separating and recovering c4 dicarboxylic acids
05/09/2012EP2448903A1 Bio-derived olefin synthesis
05/09/2012EP2448902A1 Method for preparing difluoroacetic acid
05/09/2012EP2448663A2 Device for continuously carrying out chemical reactions at high temperatures
05/09/2012EP1449821B1 Optically active mandelic acid and its derivative, and method for crystallization thereof
05/09/2012CN1927805B Process and apparatus of preparing sodium oxalate by superheated steam ejecting mixing fast heating-up continuous dehydrogenation
05/09/2012CN102448923A Method for crystallizing (meth)acrylic acid and method for regulating content of polymerization inhibitor in (meth)acrylic acid product
05/09/2012CN102448603A Device for continuously carrying out chemical reactions at high temperatures
05/09/2012CN102442899A Method for preparing calcium lactate from oyster shells
05/09/2012CN102442898A Method for synthesizing adipic acid
05/09/2012CN102442897A Method for preparing acetic acid through hydroformylation reaction
05/09/2012CN102442896A Method for continuously neutralizing organic acid
05/09/2012CN102442882A Separating and recovering method for organic oxygen-containing compounds in Fischer-Tropsch synthesis water phase
05/09/2012CN102441434A Rhodium catalyst system
05/09/2012CN102441312A Recyclable ionic liquid type carbon dioxide absorbent and preparation method thereof
05/09/2012CN102108059B Method for synthesizing doxylamine succinate
05/09/2012CN101985435B Novel eutectic ionic liquid and preparation method thereof
05/09/2012CN101767016B Aromatic aldehyde selective hydrogenation catalyst for refining terephthalic acid
05/09/2012CN101525286B Process for preparing 4-methyl caprylic acid
05/09/2012CN101525283B Zone melting purification device and method of purifying phenylformic acid by adopting same
05/09/2012CN101503353B Technique for purifying crude terephthalic acid from alkali deweighting wastewater
05/09/2012CN101450308B Carbon loaded type noble metal catalyst and preparation method thereof
05/09/2012CN101402560B Production process for separating and purifying naproxen with crystallization
05/09/2012CN101376627B Preparation of 4-hydroxybenzoyl chloride
05/09/2012CN101353302B Preparation of naphthalenetetracarboxylic acid
05/09/2012CN101318895B Novel separation purification method for p-benzene dicarboxylic acid
05/09/2012CN101318894B Separation purification method and apparatus for p-benzene dicarboxylic acid
05/09/2012CN101096013B Process for regenerating catalyst for preparing unsaturated aldehyde and/or unsaturated carboxylic acid and process for preparing unsaturated aldehyde and/or unsaturated carboxylic acid
05/08/2012US8173838 Method for producing at least one of α, β-unsaturated aldehyde and α, β-unsaturated carboxylic acid
05/08/2012US8173836 Method and apparatus for drying carboxylic acid
05/08/2012US8173835 Method and apparatus for drying carboxylic acid
05/08/2012US8173834 Process and apparatus for manufacturing pure forms of aromatic carboxylic acids
05/08/2012US8173825 Method of making fatty acid ester derivatives
05/08/2012US8173076 Method and apparatus for making acetic acid with improved light ends column productivity
05/08/2012CA2439669C Process, apparatus and composition for calcium fortification of beverages
05/07/2012WO2012090905A1 Processes for production of iron methacrylate and hydroxyalkyl methacrylate
05/03/2012WO2012057156A1 Crossflow type filtering operation method using ceramic filter
05/03/2012WO2012057155A1 Crossflow type filtering operation method using ceramic filter
05/03/2012WO2012056544A1 Production method for refined 6-bromo-2-naphthalenecarboxylic acid product
05/03/2012WO2012055963A2 Method for producing sorbic anhydride and also use thereof as a preservative in foods
05/03/2012WO2012031356A3 Biomass extraction process
05/03/2012US20120108847 Device and process for crystallizing (meth) acrylic acid
05/03/2012US20120108818 Microwave apparatus
05/03/2012US20120108801 Disubstituted-aminodifluorosulfinium salts, process for preparing same and method of use as deoxofluorination reagents
05/03/2012US20120108779 Method for producing polyols on the basis of renewable resources
05/03/2012US20120108767 Method for producing bio-resourced polymer-grade acrylic acid from glycerol
05/03/2012US20120107886 Lignin Oxidation and Products Thereof
05/03/2012US20120103790 Continuous Method For Producing Esters Of Aliphatic Carboxylic Acids
05/02/2012EP2447242A1 Method for producing all-E sorbic acid anhydride
05/02/2012EP2447241A1 Glycidyl esters of alpha, alpha branched neononanoic acids, synthesis and uses
05/02/2012EP2445860A2 Method for producing formic acid
05/02/2012EP2445855A1 Carbohydrate route to para-xylene and terephthalic acid
05/02/2012EP2089153B1 Aluminum naphthalenedicarboxylate as a porous organometallic framework material
05/02/2012EP1629889B1 Process for producing catalyst for methacrylic acid production
05/02/2012CN1982279B Preparation of shikimic acid
05/02/2012CN102438974A Apparatus and method for recovery of acetic acid from an aqueous solution thereof
05/02/2012CN102438747A Carbonylation process
05/02/2012CN102432916A Lead stearate stable lubricant, and production method and heat stabilizer composition thereof
05/02/2012CN102432562A Quetiapine fumarate compound and new preparation method thereof
05/02/2012CN102432458A Preparation method of alkylphenol medicine analogue NPA
05/02/2012CN102432457A Synthetic method of felbinac
05/02/2012CN102432456A Synthetic method of fumaric acid
05/02/2012CN102432455A Method for preparing crocetin and crocin
05/02/2012CN102432454A Barium titanyl oxalate particle, method for preparing the same and method for preparing barium titanate
05/02/2012CN102432453A Process and equipment for purifying dilute acetic acid solution
05/02/2012CN102432452A Method for preparing C10 cobalt neodecanoate rubber adhesive promoter
05/02/2012CN102432425A Preparation method of 1,3-disubstituted-3-aryl propylene compound and application thereof
05/02/2012CN102430405A Loaded bimetallic nano-catalyst used for benzoic acid and sodium salt preparation as well as its preparation method
05/02/2012CN102430404A Catalytic agent for synthesizing succinic acid through maleic acid hydrogenation and preparation method thereof
05/02/2012CN102430381A Carbonylation reacting kettle
05/02/2012CN101825868B Energy-saving operation method for optimizing crude terephthalic acid hydrofining process of industrial device
05/02/2012CN101607893B Method for obtaining pharmaceutical-grade citric acid from food-grade citric acid
05/02/2012CN101374794B Process for the production of acetic acid
05/02/2012CN101298416B Method for preparing p-methoxypheny-lethyl acid from natural anethole
05/02/2012CN101022886B Optimized liquid-phase oxidation
05/02/2012CN101010135B Optimized liquid-phase oxidation
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