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)
10/2013
10/17/2013WO2013155245A2 Catalytic conversion of lactic acid to acrylic acid
10/17/2013WO2013126916A3 Natural oil based gels, applications and methods of preparation
10/17/2013US20130274520 Purification Of Bio Based Acrylic Acid To Crude And Glacial Acrylic Acid
10/17/2013US20130274519 Thermal separation process
10/17/2013US20130274518 Purification Of Bio Based Acrylic Acid To Crude And Glacial Acrylic Acid
10/17/2013US20130274517 Process For Production Of Acrylic Acid Or Its Derivatives
10/17/2013US20130274516 Method For The Production Of Acrylic Acid Or Its Derivatives
10/17/2013US20130274515 Process For Production Of Acrylic Acid Or Its Derivatives
10/17/2013US20130274514 Catalytic Conversion Of Lactic Acid To Acrylic Acid
10/17/2013US20130274513 Process For Production Of Acrylic Acid Or Its Derivatives From Hydroxypropionic Acid Or Its Derivatives
10/17/2013US20130274512 Catalysts Conversion Of Hydroxypropionic Acid Or Its Derivatives To Acrylic Acid Or Its Derivatives
10/17/2013US20130274509 Reactor and Process for Propane Oxidation
10/17/2013US20130274508 Shell and tube oxidation reactor with improved resistance to fouling
10/17/2013US20130274470 Triazolium Carbene Catalysts and Stereoselective Bond Forming Reactions Thereof
10/17/2013DE102012007675A1 Producing terephthalic acid, comprises dissolving impure terephthalic acid, precipitating acid crystals, separating from solvent liquid, and washing, where degree of contamination is measured before and/or after solid-liquid separation
10/16/2013EP2650277A1 Method for producing 2-bromo-4,5-dialkoxy benzoic acid
10/16/2013EP2648818A1 A method for recovery of organic acid from dilute aqueous solution
10/16/2013CN103351297A Preparation technology for symmetric aryl anhydride
10/16/2013CN103351296A Preparation method of high-purity 2,4-D
10/16/2013CN103351295A 2-methyl-4-chlorophenoxyacetic acid preparation technology
10/16/2013CN103351294A Preparation method of potassium sorbate
10/16/2013CN103351293A Oxalic acid preparation process
10/16/2013CN103351292A Chlorodifluoroacetyl chloride preparation method
10/16/2013CN103349954A Photochlorination reactor used for producing benzaldehyde and benzoyl chloride
10/16/2013CN103349952A Reaction kettle for producing dimer acid
10/16/2013CN103349951A Self-cleaning type dimer acid reaction kettle
10/16/2013CN103349857A Plate frame type pressure filter for pressure filtering of dimer acid
10/16/2013CN102617427B Method for recovering N-acetyl-DL-methionine and by-products of sodium acetate trihydrate from N-acetyl-DL-methionine racemization waste liquid
10/16/2013CN102553624B Preparation method of catalyst for synthesizing methacrylic acid
10/16/2013CN102553584B Modified palladium-carbon catalyst for producing chloroacetic acid and preparation method for catalyst
10/16/2013CN102503019B Method for realizing biogas slurry reutilization by recycling biogas slurry
10/16/2013CN102363596B Method for preparing 2-methoxy-5-chlorobenzoic acid
10/16/2013CN102267894B Method for preparing 2-bromo-4,5-dimethoxybenzoic acid
10/16/2013CN102190575B Method for recovering binary acid from waste alkali liquor in cyclohexane oxidation
10/16/2013CN102127424B Iridium metal coordination compound organic fluorescent nanoparticles and preparation method thereof
10/16/2013CN102115442B Method for separating carnosic acid from rosemary leaf extract
10/16/2013CN102086151B Method for preparing 3-methoxy-4-hydroxy mandelic acid
10/16/2013CN102010317B Method for synthesizing felbinac and derivatives thereof
10/16/2013CN101616885B Method of oxidation reaction flue gas treatment and energy recovery
10/16/2013CN101516819B Process and intermediates for preparing integrase inhibitors
10/16/2013CN101443304B Use of, and method using a catalyst containing titanium dioxide, particularly for the production of phthalic anhydride
10/15/2013US8557755 Lubricating composition containing an antiwear agent
10/10/2013WO2013151428A1 Catalytic oxidation of uronic acids to aldaric acids
10/10/2013WO2013151108A1 Multi-tubular reactor and multi-tubular reactor design and fabrication method
10/10/2013WO2013150042A1 Process for separating monochloroacetic acid and dichloroacetic acid via extractive distillation using an organic solvent
10/10/2013US20130267737 Processes for Producing Acrylic Acids and Acrylates with Controlled Oxygen Concentration Across Reactor
10/10/2013US20130267736 Processes for Producing Acrylic Acids and Acrylates with Diluted Reaction Mixture and By-Product Recycle
10/10/2013US20130267735 Propane Oxidation Process Using Reduced Amounts of Steam
10/10/2013US20130267734 Process to prepare treprostinil, the active ingredient in remodulin®
10/10/2013US20130267733 Production of aromatic carboxylic acids
10/10/2013US20130264186 Process for producing acetic acid
10/09/2013EP2647429A1 Catalyst for producing unsaturated carboxylic acids and unsaturated carboxylic acid production method using said catalyst
10/09/2013CN203227481U Oxidation reaction device for synthesizing glyoxalic acid
10/09/2013CN203227316U Glyoxylic acid refining device
10/09/2013CN103347845A Method for producing unsaturated aldehyde and/or unsaturated carboxylic acid
10/09/2013CN103342656A Synthesis method of Telaprevir intermediate
10/09/2013CN103342637A Refining method for high purity ciprofibrate
10/09/2013CN103342636A Preparation method for 2-(4-brooethylphenyl) propionic acid
10/09/2013CN103342635A Method for recovering sodium oxalate from waste water
10/09/2013CN102513148B Catalyst for co-producing benzaldehyde and acyl chloride by benzal chloride alcoholysis reaction and its technology
10/09/2013CN102476051B Noble metal/TiO2-C catalyst
10/09/2013CN102276444B Fatty acid compounds and preparation method and application thereof
10/09/2013CN102056886B Method for starting a gas-phase oxidation reactor
10/09/2013CN101925563B Process for production of oxygen-containing organic compound
10/08/2013US8552211 Dry oil-and-fat separation method
10/08/2013US8552203 Indane acetic acid derivatives and their use as pharmaceutical agents, intermediates, and method of preparation
10/03/2013WO2013148513A1 Hydrocarboxylation of formaldehyde in the presence of a higher order carboxylic acid and a homogeneous catalyst
10/03/2013WO2013148507A1 Hydrocarboxylation of methylene dipropionate in the presence of propionic acid and a heterogeneous catalyst
10/03/2013WO2013148497A1 Process for recovering and recycling an acid catalyst
10/03/2013WO2013148483A1 Hydrocarboxylation of methylene dipropionate in the presence of a propionic acid and a homogeneous catalyst
10/03/2013WO2013148482A1 Hydrocarboxylation of formaldehyde in the presence of a higher order carboxylic acid and a heterogeneous catalyst
10/03/2013WO2013148006A1 Process for making ethylene and acetic acid
10/03/2013WO2013147041A1 Method for producing acrylic acid and acrolein using fixed-bed multitubular reactor
10/03/2013WO2013147032A1 Process for producing acrylic acid using fixed-bed multitubular reactor
10/03/2013WO2013144650A1 Catalyst and method of manufacture
10/03/2013WO2013144483A1 New method for synthesising mucic acid using ozone
10/03/2013WO2013144471A1 Method for measuring the thermal stability of a succinic acid crystal intended for the production of polymers
10/03/2013WO2013143812A1 Method for hydrolysing acetone cyanohydrin
10/03/2013WO2013110998A4 A process for preparation of alkynyl carboxylic acids
10/03/2013WO2013050367A3 Method for producing formic acid by reacting carbon dioxide with hydrogen
10/03/2013US20130261337 Hydrocarboxylation of methylene dipropionate in the presence of propionic acid and a heterogeneous catalyst
10/03/2013US20130261335 Process for producing alkyl methacrylate
10/03/2013US20130261334 Process for producing acetic acid
10/03/2013US20130261333 Hydrocarboxylation of formaldehyde in the presence of a higher order carboxylic acid and heterogeneous catalyst
10/03/2013US20130261329 Hydrocarboxylation of methylene dipropionate in the presence of a propionic acid and a homogeneous catalyst
10/03/2013US20130261328 Hydrocarboxylation of formaldehyde in the presence of a higher order carboxylic acid and a homogeneous catalyst
10/03/2013US20130261323 Integrated methods of preparing renewable chemicals
10/03/2013US20130261311 Biotin stannane for hplc-free radioiodination
10/03/2013US20130261187 Compounds and methods for delivery of prostacyclin analogs
10/02/2013EP2644587A2 Process and intermediates for preparing integrase inhibitors
10/02/2013EP2643285A2 Production of aromatic carboxylic acids
10/02/2013EP2643284A2 Synthetic method of enantiomerically pure 2,2'-dihydroxy-1,1'-binaphthyl-3-carboxylic acid
10/02/2013EP2643283A1 A process for the production of methacrylic acid and its derivatives and polymers produced therefrom
10/02/2013EP2643086A1 Catalyst shaped body for flow-conducting fixed-bed reactors
10/02/2013DE102012205257A1 Verfahren zur Hydrolyse von Acetocyanhydrin A process for hydrolysis of acetone cyanohydrin
10/02/2013CN103338861A Mixed solution production device and mixed solution preparation method
10/02/2013CN103333208A Adefovir dipivoxil maleate and preparation method and composition thereof
10/02/2013CN103333175A Method for preparing ellagic acid and gallic acid with black mushroom mycelium solid state fermentation blueberry pomace
10/02/2013CN103333103A Method for preparing flupirtine maleate by one-pot method
10/02/2013CN103333064A Loxoprofen sodium compound and pharmaceutical composition thereof
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