Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
11/2013
11/05/2013US8575387 Method for preparing carboxylic acids
11/05/2013US8575385 Process of making optically pure melphalan
11/05/2013US8575380 Branched polyethylene glycol linked with diacyl glycerol, process for producing the same, and polyethylene glycol modified liposome
11/05/2013US8575379 Process and device for the oxidation of organic compounds
11/05/2013US8575299 Processes for preparing diacids, dialdehydes and polymers
11/05/2013US8574878 Fatty alcohol forming acyl reductases (FARs) and methods of use thereof
10/2013
10/31/2013WO2013161703A1 Method for producing molded catalyst and method for producing diene or unsaturated aldehyde and/or unsaturated carboxylic acid using said molded catalyst
10/31/2013WO2013160703A1 A process for the production of methacrylic acid and its derivatives and polymers produced therefrom
10/31/2013WO2013160702A1 A process for the production of methacrylic acid and its derivatives and polymers produced therefrom
10/31/2013WO2013160683A1 Solid metal -organic framework compound and method of manufacture
10/31/2013WO2013159724A1 4-((substituted phenyl) difluoromethyl) phenoxy carboxylic acid derivative, and preparation method and uses thereof
10/31/2013WO2013159322A1 Method for preparing acetic acid
10/31/2013US20130289306 Method for producing formic acid by co2 hydrogenation
10/31/2013US20130289304 Process to prepare treprostinil, the active ingredient in remodulin®
10/31/2013US20130289303 Crossflow type filtering operation method using ceramic filter
10/30/2013EP2657220A1 Acetic acid production method
10/30/2013EP2655310A1 Method for producing formic acid by reacting carbon dioxide with hydrogen
10/30/2013EP1412315B1 Manufacturing process for the preparation of alpha, alpha-branched alkane carboxylic acids providing esters with an improved softness
10/30/2013CN103380105A Processes for producing terephthalic acid and terephthalic esters
10/30/2013CN103374735A Novel environment-friendly gold-plated material-citric acid pinchbeck and preparation method thereof
10/30/2013CN103374038A Preparation method of antiviral medicine
10/30/2013CN103373978A Reaction method for preparing corresponding lactone, hydroxy acid and dicarboxylic acid through cyclic ketone oxidation
10/30/2013CN103373977A Oxidation reaction method of cyclic ketone compound
10/30/2013CN103373975A Oxidation method of cycloparaffin
10/30/2013CN103373921A 4-((substituted phenyl) difluoromethyl) phenoxy carboxylic acid derivatives as well as preparation method and medical application for same
10/30/2013CN103373918A Extraction method of tartaric acid
10/30/2013CN103373917A Method and equipment for producing PTA (p-terephthalic acid)
10/30/2013CN103373916A Environment-friendly preparation method for lipid-lowering drug ciprofibrate
10/30/2013CN103373915A Method for preparing dicarboxylic acid through catalytic oxidization reaction
10/30/2013CN103373914A Method for preparing hydroxy acid
10/30/2013CN102531885B Method for synthesizing L-peppermint carboxylic acid
10/30/2013CN102351687B Preparation method of calcium carbonate slurry and preparation method of citric acid
10/30/2013CN102020553B P-alkyl group substituted-4-fluorophenylacetic acid, synthesis method and application thereof
10/30/2013CN101973870B Preparation of glycollic acid from oxalaldehyde by intramolecular disproportionation method
10/30/2013CN101786953B Kaurane-type diterpenoid compound as well as preparation method and medical application thereof
10/30/2013CN101563311B Method for preparing acrylic acid from glycerol
10/30/2013CN101133010B Process and intermediate compounds useful in preparation of statins
10/29/2013US8569530 Conversion of saponifiable lipids into fatty esters
10/29/2013CA2563038C Neurologically-active compounds
10/24/2013WO2013159106A1 Recovery of organic acids from dilute salt solutions
10/24/2013WO2013157614A1 Inclusion compound of ketole fatty acid
10/24/2013US20130281737 Method for reducing equipment fouling in (meth)acrylic acid production process
10/24/2013US20130281736 Synthesis of peretinoin
10/24/2013US20130281735 Process for producing acetic acid
10/24/2013US20130281734 Process for converting cellulose or lignocellulosic biomass using stable non-zeolite solid lewis acids based on tin or antimony alone or as a mixture
10/24/2013US20130281733 Molybdenum-containing Acidic Catalysts to Convert Cellulosic Biomass to Glycolic Acid
10/24/2013US20130281732 Crossflow type filtering operation method using ceramic filter
10/24/2013US20130281731 Process for producing purified terephthalic acid
10/24/2013US20130281729 Continuous method for the carbonylation of alcohols, in particular of phenyl alcohols
10/24/2013US20130281720 Method for extracting organic compounds from aqueous mixtures
10/24/2013US20130281715 Process for beta-lactone production
10/24/2013US20130281649 Methods for producing acrylic acid and/or ester thereof and polymer of the acrylic acid and/or ester thereof
10/24/2013US20130281488 Maleate salts of (e)-n--4-(dimethylamino)-2-butenamide and crystalline forms thereof
10/24/2013US20130280141 Optimized liquid-phase oxidation
10/23/2013EP2653529A1 Synthetic pathway constructing equipment, synthetic pathway constructing method, synthetic pathway constructing program, and processes for manufacturing 3-hydroxypropionic acid, crotonyl alcohol and butadiene
10/23/2013EP2653460A1 Acetic acid production method
10/23/2013EP2653459A1 Acetic acid production method
10/23/2013EP2653458A1 Process for producing acetic acid
10/23/2013EP2651870A2 Continuous method for the carbonylation of alcohols, in particular of phenyl alcohols
10/23/2013EP2651869A2 Eductor-based reactor and pump around loops for production of acetic acid
10/23/2013CN1830556B Modified catalysts and process
10/23/2013CN103370300A Acetic acid production method
10/23/2013CN103370299A A process for the production of (meth)acrylic acid and derivatives and polymers produced therefrom
10/23/2013CN103370298A Method of making indeno-fused naphthol materials
10/23/2013CN103370297A Acetic acid production method
10/23/2013CN103361385A Technology for preparation of succinic acid finished product by bioconversion of cassava raw material
10/23/2013CN103360373A Synthesis method of vilazodone intermediate and salt thereof
10/23/2013CN103360358A 15-oxospiramilactone derivatives, and preparation method and applications thereof
10/23/2013CN103360242A Preparation method of 6-hydroxy-2-naphthoic acid
10/23/2013CN103360241A Method for preparing optical voidness 5-oxo tricyclic [2,2,1,02,6] heptanes-3-carboxylic acid
10/23/2013CN103360240A Preparation method of high purity fenofibric acid
10/23/2013CN103360239A Method for reusing calcium citrate sugar washing water in citric acid production
10/23/2013CN103360238A Continuously operated device for preparing glyoxylic acid by oxidizing glyoxal through molecular oxygen and process thereof
10/23/2013CN103360237A Process for producing alkyl methacrylate
10/23/2013CN103360236A Preparation method for natural isostearic acid
10/23/2013CN103360235A Preparation method of barium acetate
10/23/2013CN103360234A Method for producing holmium acetate crystal
10/23/2013CN103360233A Method for converting neodymium oxide into neodymium acetate crystal
10/23/2013CN103360232A Method for converting yttrium oxide into yttrium acetate crystal
10/23/2013CN103360231A Method for extracting formic acid from sewage from production of epoxy biological plasticizer
10/23/2013CN103360191A Green synthetic method for carboxylic acid compounds
10/23/2013CN103357446A High pore volume VPO catalyst for maleic anhydride production
10/23/2013CN103357426A Preparation method of solid strong acid and catalysis prompting function thereof in process of preparing chloroacetic acid by using acetic anhydride catalysis method
10/23/2013CN102942467B Preparation method of divalproex sodium
10/23/2013CN102603515B Method for preparing gluconic acid by direct oxidization of cellulose
10/23/2013CN102503843B Preparation method for metoprolol salt
10/23/2013CN102127004B Azabicyclo[3.2.0]hept-3-yl, method for preparing same and pharmaceutical compositions containing them
10/23/2013CN102066308B Method of dehydrating acetic acid
10/23/2013CN102066001B Catalyst for producing acrolein and acrylic acid through glycerin dehydration and production method of same
10/23/2013CN102036746B Methanol carbonylation system having absorber with multiple solvent options
10/23/2013CN102010321B Process for continuously producing isobutyric acid
10/23/2013CN101979371B Method for producing 2-butenoic acid
10/23/2013CN101863755B Chromium malate complex and preparation method and application thereof
10/23/2013CN101723821B Continuous production process for directly synthesizing adipate by oxidizing cyclohexene with hydrogen peroxide
10/23/2013CN101016237B Process for synthesizing R(+)-2-(4-hydroxylphenoxyl) propanoic acid
10/22/2013US8563774 Method for producing catalyst
10/22/2013US8563773 Eductor-based reactor and pump around loops for production of acetic acid
10/22/2013US8563772 Methanol carbonylation with improved aldehyde removal
10/22/2013CA2474344C Expansion of renewable stem cell populations
10/17/2013WO2013155292A2 Purification of bio-based acrylic acid to crude and glacial acrylic acid
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