| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 10/02/2013 | CN103331151A Non-interpenetrating chiral MOF stationary phase, its preparation method and application in enantiomer separation in HPLC |
| 10/02/2013 | CN102746947B Method for separating and purifying DHA (docosahexaenoic acid) and saturated fatty acid from schizochytrium limacinum oil |
| 10/02/2013 | CN102584565B Preparation method for 2,4,5-trifluoro benzene acetic acid |
| 10/02/2013 | CN102249904B Synthesis method of 2-ethoxy naphthoic acid |
| 10/01/2013 | US8546611 Method for preparing succinic acid |
| 10/01/2013 | US8546593 Methods and compositions for novel liquid crystal delivery systems |
| 10/01/2013 | US8546295 finely divided precursor mixture with addition of graphite having a specific particle size is shaped to the desired geometry and then treated thermally |
| 10/01/2013 | CA2541370C A process for the preparation of adapalene |
| 10/01/2013 | CA2527439C Methylidene mevalonates and their use as herbicides |
| 09/26/2013 | WO2013141992A1 Process for producing acrylic acids and acrylates |
| 09/26/2013 | WO2013141726A1 Method of manufacturing synthetic esters |
| 09/26/2013 | WO2013140506A1 Method for manufacturing 4,4'-oxydiphthalic acid and method for manufacturing 4,4'-oxydiphthalic dianhydride |
| 09/26/2013 | WO2013140188A1 Process for the production of a complex of lactic acid and an amine |
| 09/26/2013 | US20130253224 Process for Producing Acrylic Acids and Acrylates |
| 09/26/2013 | US20130253223 Catalyst for producing unsaturated carboxylic acid and a process for producing unsaturated carboxylic acid using the catalyst |
| 09/26/2013 | US20130253222 Method for producing 2-bromo-4,5-dialkoxy benzoic acid |
| 09/26/2013 | US20130253217 Composite oxide catalyst and method for producing the same |
| 09/26/2013 | US20130253211 Methods for the production of diesters from triacylglyceride esters |
| 09/26/2013 | US20130253201 Process for the preparation of enantiomerically enriched cyclic beta-aryl or heteroaryl carbocyclic acids |
| 09/26/2013 | US20130253200 Process and intermediates for preparing integrase inhibitors |
| 09/26/2013 | US20130253192 Method for producing antifolate agents having glutamic acid part in their structure |
| 09/25/2013 | EP2640686A2 Nitrous oxide-containing ionic liquids as chemical reagents |
| 09/25/2013 | EP2640685A2 Production and purification of acetic acid with optionally generation of steam from heat of the reaction |
| 09/25/2013 | EP2519492B1 Process and rotary pressure filtration apparatus for slurry separation of aromatic carboxylic acids |
| 09/25/2013 | CN203212505U Acrylic acid washing device in production of acrylic acid |
| 09/25/2013 | CN203212504U Continuous acidification unit for long carbon chain dicarboxylic acid |
| 09/25/2013 | CN203209062U Hydraulic reaction device |
| 09/25/2013 | CN203209061U Hydraulic reactor |
| 09/25/2013 | CN203209035U Automatic control system for removing heat of molten salt in reactor capable of producing acrylic acid through propane one-step process |
| 09/25/2013 | CN203208747U Continuous filter unit for long carbon chain dicarboxylic acid |
| 09/25/2013 | CN103328429A Eductor-based reactor and pump around loops for production of acetic acid |
| 09/25/2013 | CN103328428A Improved process for manufacturing acrolein/acrylic acid |
| 09/25/2013 | CN103328425A Process for preparing liquid overbased metal carboxylates, mixed metal stabilizers containing same, and stabilized halogen-containing polymers therewith |
| 09/25/2013 | CN103320478A Preparation method of a monomer itaconic acid |
| 09/25/2013 | CN103319527A Production process for 1-hydroxy ethylidene-1,1-diphosphonic acid and acetylchloride |
| 09/25/2013 | CN103319479A Rheinic acid berberine ion pair compound, preparation method and applications |
| 09/25/2013 | CN103319459A Process for the preparation of benzoimidazol-2-yl pyrimidine derivatives |
| 09/25/2013 | CN103319334A Compounds derived from herbicidal carboxylic acids and tetraalkylammonium or (arylalkyl) trialkylammonium hydroxides |
| 09/25/2013 | CN103319333A Preparation method for 3-(cyclopropylmethoxy)-4-(difluoromethoxy)benzoyl chloride compound |
| 09/25/2013 | CN103319332A Method for simultaneously preparing pyromellitic acid and pyromellitic acid ester lubricant from coal as raw material |
| 09/25/2013 | CN103319331A Method for recycling waste polyester/cotton blended fabric |
| 09/25/2013 | CN103319330A Method for preparing 2,4-dimethylbenzoic acid by using carbon dioxide carboxylation process |
| 09/25/2013 | CN103319329A Method for preparing benzene carbonic acid through alkali-oxygen oxidation of soft coal |
| 09/25/2013 | CN103319328A Preparation method for ferulic acid |
| 09/25/2013 | CN103319327A Ibuprofen compound, and pharmaceutical composition and preparation method thereof |
| 09/25/2013 | CN103319326A Preparation method for vanadyl oxalate |
| 09/25/2013 | CN103319325A Method for producing liquid branched-chain AKD (Alky Ketene Dimer) raw powder material through deeply hydrogenating monomer acid |
| 09/25/2013 | CN103319324A Method for preparing benzene carboxylic acids by alkali-oxygen oxidation of brown coals |
| 09/25/2013 | CN103319323A Odd-carbon saturated higher fatty acids, and preparation method for esters thereof |
| 09/25/2013 | CN103319318A Recovering and recycling method of excessive methyl catechol in vanillin production process |
| 09/25/2013 | CN103318858A Method of preparing hydroxylamine salt by using reaction-extractive distillation coupling technology |
| 09/25/2013 | CN102295552B Method for increasing yield of 3,6-dichloro-2-hydroxybenzoic acid |
| 09/25/2013 | CN102260145B Method for continuous fractional separation and purification of effective ingredients of star anise |
| 09/25/2013 | CN102229537B Method for synthesizing citric acid diphenhydramine |
| 09/25/2013 | CN102206141B Molecular distillation separation method of bio-oil |
| 09/25/2013 | CN102030632B Preparation method of 6,8,11,13-tetra-abietic olefine acid |
| 09/25/2013 | CN101948368B Diphenylalkyl halide or diphenyl carboxylic acid and synthesis method thereof |
| 09/25/2013 | CN101781306B Ion-pair compounds of sanguinarine from Chinese herbs extract, and preparation and applications thereof |
| 09/25/2013 | CN101679180B Process for producing methacrylic acid |
| 09/25/2013 | CN101597227B Carboxylic acid preparation method by carbonylation of alkanol and/or active derivatives thereof |
| 09/25/2013 | CN101550077B Manufacturing method of bicyclohexyl derivative |
| 09/25/2013 | CN101466659B Production of acetic acid and mixtures of acetic acid and acetic anhydride |
| 09/24/2013 | US8541618 Indane acetic acid derivatives and their use as pharmaceutical agents, intermediates, and method of preparation |
| 09/24/2013 | CA2756856C Method for manufacturing a solution of diacid/diamine salts |
| 09/24/2013 | CA2721922C Method and apparatus for carbonylating methanol with acetic acid enriched flash stream |
| 09/24/2013 | CA2609410C Method for selectively oxidizing ethane to ethylene |
| 09/24/2013 | CA2603160C A process for the preparation of p-toluic acid by liquid phase oxidation of p-xylene in water |
| 09/19/2013 | WO2013138319A1 Hydrogenation of mixed oxygenate stream to produce alcohol |
| 09/19/2013 | WO2013138227A1 Catalyst for producing acrylic acids and acrylates |
| 09/19/2013 | WO2013138222A1 Method for producing levulinic acid from lignocellulosis biomass |
| 09/19/2013 | WO2013137935A1 Catalyst for producing acrylic acids and acrylates comprising vanadium, titanium and tungsten |
| 09/19/2013 | WO2013137934A1 Catalyst for producing acrylic acids and acrylates |
| 09/19/2013 | WO2013137277A1 Method for producing 3-hydroxypropionic acid, genetically modified microorganism, and methods for producing acrylic acid, water-absorbable resin, acrylic acid ester and acrylic acid ester resin each utilizing said method |
| 09/19/2013 | WO2013137236A1 Acetic acid production method |
| 09/19/2013 | US20130245320 Method for obtaining lactic acid with a high degree of purity from fermentative liquor |
| 09/19/2013 | US20130245319 Method for catalytically producing formic acid |
| 09/19/2013 | US20130245317 Process and System For The Separation And Drying of Carboxylic Acid Crystals |
| 09/19/2013 | US20130245316 Methods of producing para-xylene and terephthalic acid |
| 09/19/2013 | US20130245312 Catalyst for Producing Acrylic Acids and Acrylates |
| 09/19/2013 | US20130245311 Catalyst for Producing Acrylic Acids and Acrylates |
| 09/19/2013 | US20130245310 Catalyst for producing acrylic acids and acrylates |
| 09/19/2013 | US20130245308 Catalyst for Producing Acrylic Acids and Acrylates |
| 09/19/2013 | US20130245299 Method For The Production Of Conjugated Polyunsaturated Fatty Acids With Heterogenous Catalysts |
| 09/19/2013 | US20130245289 Process for producing perfluorinated organic compounds |
| 09/18/2013 | EP2637999A2 Ketocarboxylic acids, ketocarboxylic esters, methods of manufacture and uses thereof |
| 09/18/2013 | EP2637998A1 Process for refining crude acetyls mixture |
| 09/18/2013 | EP2637997A1 Coproduction of acetic acid and acetic anhydride |
| 09/18/2013 | EP2637996A1 Processes for purification of acid solutions |
| 09/18/2013 | EP2637995A1 Process for the preparation of difluoroacetic acid |
| 09/18/2013 | EP2637784A1 A process for the production of ethylenically unsaturated carboxylic acids or esters and a catalyst therefor |
| 09/18/2013 | EP2637767A1 Processing gaseous streams resulting from carbonylation process |
| 09/18/2013 | CN203200206U Heat recovery system for production of tetraacetylethylenediamine |
| 09/18/2013 | CN103313763A Apparatuses including support member modifications and processes related thereto |
| 09/18/2013 | CN103304577A Prasugrel acid addition salts, and preparation methods and medicinal applications thereof |
| 09/18/2013 | CN103304539A Dabigatran etexilate malate, and preparation method and application thereof |
| 09/18/2013 | CN103304436A Natural product S6-2 derivative, preparation method and use thereof as antitumor drug |
| 09/18/2013 | CN103304424A Diisopropylamine dichloroacetate compound and compound medicine composition injection thereof |
| 09/18/2013 | CN103304408A Preparation method of roflumilast intermediate 3-cyclopropyl methoxy-4-difluoromethoxybenzoic acid |
| 09/18/2013 | CN103304407A Method for extracting terephthalic acid and preparing hydrotalcite by using PET (Polyethylene Terephthalate) bottle |
| 09/18/2013 | CN103304406A Preparation method of 2-(1-adamantly) glyoxylic acid |