| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 02/08/2012 | CN102344353A Method for dehydrating acetic acid |
| 02/08/2012 | CN102344352A Technology for preparing zinc fatty acid with fusion method |
| 02/08/2012 | CN102344220A Method for treating metronidazole waste water |
| 02/08/2012 | CN102342927A Method for extracting silkworm chrysalis extract |
| 02/08/2012 | CN101525287B 一种癸二酸的精制方法 One kind of sebacic acid purification method |
| 02/08/2012 | CN101007757B 液相(氨)氧化法 Liquid (amm) oxidation method |
| 02/02/2012 | WO2012015616A1 Microwave assisted synthesis of dehydrated sugar derivatives hydroxymethylfurfural, levulinic acid, anhydrosugar alcohols, and ethers thereof |
| 02/02/2012 | WO2012014393A1 Process for producing acetic acid |
| 02/02/2012 | WO2012014154A1 Catalyst for oxidation of o-xylene and/or naphthalene to phthalic anhydride |
| 02/02/2012 | WO2012013793A1 Method for recovering an auxiliary used in a fermentation procedure for producing a product |
| 02/02/2012 | US20120029232 Method for adsorbing fluorocarboxylic acid having ether bond and method for collecting same |
| 02/02/2012 | US20120029231 Methods for removing vicinal diols from lactic acid fermentation broth |
| 02/02/2012 | US20120029228 Chemical recycling of pla by alcoholysis |
| 02/02/2012 | US20120029226 Method for the synthesis of chiral alpha-aryl propionic acid derivatives |
| 02/01/2012 | EP2411357A2 Spray process for selective oxidation |
| 02/01/2012 | EP2411356A1 Method for producing aliphatic carboxylic acids from aldehydes by microreaction technology |
| 02/01/2012 | EP2411147A2 Process for the treatment of an ion exchange resin |
| 02/01/2012 | EP2294046B1 Method for producing dodeca-2,10-diene-1,12-dicarboxylic acid or 1,12-dodecane dicarboxylic acid by way of ring-opening cross-metathesis (rocm) of cyclooctene with acrylic acid |
| 02/01/2012 | EP1178031B1 Process for the preparation of organic compounds with manganese catalysts or the like |
| 02/01/2012 | CN202131255U 一种双乙烯酮精馏三废治理装置 A two ketene distillation waste management unit |
| 02/01/2012 | CN202128922U Internal calcium lactate circulation evaporator |
| 02/01/2012 | CN1926088B 对从甲醇羰基化工艺中去除还原高锰酸盐的化合物的过程的控制方法 Permanganate compounds from a methanol carbonylation process of the reduction process to remove the control method |
| 02/01/2012 | CN1795049B 用于制备邻苯二甲酸酐的三层或四层催化剂体系 Three or four catalyst system for the production of phthalic anhydride |
| 02/01/2012 | CN102341365A Method for manufacturing biomass-derived methyl methacrylate |
| 02/01/2012 | CN102336925A Method for preparing compound fatty acid cobalt salt |
| 02/01/2012 | CN102336733A Method of catalytic oxidation of cyclohexane |
| 02/01/2012 | CN102336729A Preparation method for escitalopram oxalate |
| 02/01/2012 | CN102336727A Method and device used for producing furfural and acetate |
| 02/01/2012 | CN102336724A Novel cinepazide salt and its preparation method, and pharmaceutical composition based on cinepazide salt |
| 02/01/2012 | CN102336723A Preparation method of L-chloperastine fendizoic acid |
| 02/01/2012 | CN102336659A Method for separating diphenic acid from tower bottom waste for preparing benzoic acid |
| 02/01/2012 | CN102336658A Production method of 3,5-dimethylbenzoic acid |
| 02/01/2012 | CN102336657A Purification method for acrylpimaric acid |
| 02/01/2012 | CN102336656A High-selectivity synthesis method of benzoyl formic acid |
| 02/01/2012 | CN102336655A Industrial production method for trans-beta-formyl crotonic acid |
| 02/01/2012 | CN102336654A Chloration method for phenoxyacetic acid and derivatives thereof |
| 02/01/2012 | CN102336653A Preparation method of optically pure chiral 2-chloromandelic acid |
| 02/01/2012 | CN102336652A Method for scale preparation of high-purity Danshensu sodium |
| 02/01/2012 | CN102336651A Citric acid and its preparation method |
| 02/01/2012 | CN102336650A Stripping process and device for removing organic impurities in brufen sodium salt |
| 02/01/2012 | CN102336649A Method for recovering glutaric acid in 7-ACA waste solution |
| 02/01/2012 | CN102336648A Method for recovering glutaric acid from 7-ACA waste liquid |
| 02/01/2012 | CN102336647A Application of AK sugar crystal mother liquor and method for preparing sylvite by crystal mother liquor |
| 02/01/2012 | CN102336646A Preparation method of ferrous oxalate |
| 02/01/2012 | CN102336645A Granular stearate, and preparation method and application thereof |
| 02/01/2012 | CN102336644A Alkyl substituted acetate and application of alkyl substituted acetate in organic electroluminescent device |
| 02/01/2012 | CN102335624A Method for preparing caprolactone and adipic acid |
| 02/01/2012 | CN102070413B 一种双季戊四醇的合成方法 A double pentaerythritol synthesis method |
| 02/01/2012 | CN102060690B 乙醛酸精制提纯方法及其装置 Glyoxylate refined purification method and apparatus |
| 02/01/2012 | CN101570481B 一种多羟基长链脂肪酸及其分离提取方法和在抑制芳香化酶活性中的应用 A multi-hydroxy long-chain fatty acids and their separation and extraction methods, and in inhibiting aromatase activity Application |
| 02/01/2012 | CN101560147B 2，3-二溴-2-甲基丙酸的合成方法 Synthesis of 2,3-dibromo-2-methyl-propionic acid |
| 02/01/2012 | CN101508643B 一种大黄酸的制备方法 One kind of preparation Rhein |
| 02/01/2012 | CN101445451B 一种高纯度丹参素钠的制备方法 A method for preparing high purity prime sodium Salvia |
| 02/01/2012 | CN101233096B α,β-不饱和羧酸的制备方法 α, β- unsaturated carboxylic acids prepared |
| 02/01/2012 | CN101193845B 将合成气体转化为含氧化合物的方法 The conversion of synthesis gas to oxygenates method |
| 01/31/2012 | US8106240 Process for operating a continuous removal of a target product X in the form of fine crystals of the target product X |
| 01/31/2012 | CA2392049C Metathesis syntheses of pheromones or their components |
| 01/26/2012 | WO2012012283A1 Controlling decanter phase separation of acetic acid production process |
| 01/26/2012 | WO2012012216A1 Catalyst for oxidation of saturated and unsaturated aldehydes to unsaturated carboxylic acid comprising a heteropoly acid, method of making and method of using thereof |
| 01/26/2012 | WO2012012048A2 Solid terephthalic acid composition |
| 01/26/2012 | WO2012012047A2 Process for producing terephthalic acid |
| 01/26/2012 | WO2012012046A2 Mixtures used in oxidizing alkyl aromatic compounds |
| 01/26/2012 | WO2012012045A2 Process for oxidizing alkyl aromatic compounds |
| 01/26/2012 | WO2012012043A2 Process for producing terephthalic acid |
| 01/26/2012 | WO2012010842A1 Method for the oxidation of unsaturated organic compounds |
| 01/26/2012 | WO2012010077A1 Granular stearate and preparation method and use thereof |
| 01/26/2012 | WO2012009816A1 Synthesis of treprostinil and intermediates useful therein |
| 01/26/2012 | US20120022290 Process for Preparing Formic Acid by Reaction of Carbon Dioxide with Hydrogen |
| 01/26/2012 | US20120022289 Controlling decanter phase separation of acetic acid production process |
| 01/26/2012 | US20120022287 Spray Process for Selective Oxidation |
| 01/26/2012 | US20120022282 Process for the preparation of 2,4,6-octatriene-1-oic acid and 2,4,6-octatriene-1-ol |
| 01/26/2012 | US20120018377 Dialysate regeneration system for portable human dialysis |
| 01/26/2012 | DE112009002088T5 Verfahren zur Herstellung von Ammoniumsalzen der Fumar- oder Bernsteinsäure Process for the preparation of ammonium salts of fumaric acid or succinic acid |
| 01/26/2012 | CA2804685A1 Controlling decanter phase separation of acetic acid production process |
| 01/25/2012 | EP2410030A1 Preparation method of pimaric acid type resin acid |
| 01/25/2012 | EP2409962A1 A one-pot method for the oxidation of unsaturated organic compounds |
| 01/25/2012 | EP2408733A1 Method for converting aromatic aldehydes to aromatic acyl halides |
| 01/25/2012 | EP2408732A1 Solvent-free production of magnesium formate based porous metal-organic frame material |
| 01/25/2012 | EP1853381B1 Method for producing a multi-layer catalyst for obtaining phthalic anhydride |
| 01/25/2012 | EP1740525B1 Process for preparing acetic acid and derivatives thereof |
| 01/25/2012 | EP1372808B1 Method for eliminating oxygenated organic molecules present in an organic effluent using alumina agglomerates |
| 01/25/2012 | CN202124580U High-purity sodium formate synthesizer |
| 01/25/2012 | CN202122957U Multistage acidification reactor for continuous production of formic acid |
| 01/25/2012 | CN202122848U Anti-blocking device of acetic acid rectifying column |
| 01/25/2012 | CN1886360B Novel cycloalkenycarboxylic acid and its uses |
| 01/25/2012 | CN102333753A Process for production of (meth)acrylic acid |
| 01/25/2012 | CN102329288A Method for preparing taurine VC calcium citrate |
| 01/25/2012 | CN102329241A Chemical resolution method for 1,2-diamino cyclohexane |
| 01/25/2012 | CN102329229A Method for extracting veratric acid from tropaeolum |
| 01/25/2012 | CN102329228A Method for extracting carboxylic acid from juniperus chinensis |
| 01/25/2012 | CN102329227A Soluble zinc citrate preparation method |
| 01/25/2012 | CN102329226A Method for separating and extracting 2-keto-D-gluconic acid |
| 01/25/2012 | CN102329225A Method for purifying roburic acid |
| 01/25/2012 | CN102329224A Method for purifying dodecanedioic acid |
| 01/25/2012 | CN102329223A Method for preparing adipic acid through one-step oxidation of cyclohexane and catalyst used in method |
| 01/25/2012 | CN102329222A Method for oxidizing cyclohexane to prepare hexane diacid through one-step method and catalyst used by same |
| 01/25/2012 | CN102329221A Method for preparing isostearic acid |
| 01/25/2012 | CN102329220A Method for preparing calcium formate coproduced with calcium chloride and calcium hydroxide from chloroform leftovers |
| 01/25/2012 | CN102329219A Method for preparing calcium formate coproduced with sodium chloride and sodium hydroxide from chloroform leftovers |
| 01/25/2012 | CN102329218A Method for producing sodium formate and coproducing calcium carbonate and sodium hydroxide by using chloroform leftovers |