| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 01/19/2011 | CN201711145U Device for synthesizing intermediates of naproxen |
| 01/19/2011 | CN201711074U Recovery system for tail gas produced by water treatment agent HEDP |
| 01/19/2011 | CN101952237A Bromide-free TEMPO-mediated oxidation of the primary alcohol in carbohydrate under two-phase conditions |
| 01/19/2011 | CN101952236A New process for the preparation of cyclohexanecarboxylic acid derivatives via the corresponding cyclohexanecarboxamide derivative |
| 01/19/2011 | CN101952235A Cyclohexanone production process with impurities removal |
| 01/19/2011 | CN101952039A Process for the recovery of oxidation catalyst using ion exchange resins |
| 01/19/2011 | CN101952038A Improved oxidation catalyst for maleic anhydride production |
| 01/19/2011 | CN101948382A Synthetic method of 2-(4-alkyl substituted benzoyl) phenylformic acid |
| 01/19/2011 | CN101948380A Perturbed membrane-binding compounds and methods of using the same |
| 01/19/2011 | CN101948379A Method for preparing battery-level ferrous oxalate |
| 01/19/2011 | CN101948378A Process for removing fluorine from trifluoroacetic acid |
| 01/19/2011 | CN101948377A Method for preparing chloroacetic acid |
| 01/19/2011 | CN101948368A Diphenylalkyl halide or diphenyl carboxylic acid and synthesis method thereof |
| 01/19/2011 | CN101947470A Polystyrene-based triazole chelating rhodium catalyst and preparation method and application thereof |
| 01/19/2011 | CN101306992B Process for preparating L-lactic acid by continuously acidizing, crystallizing from L-calcium lactate |
| 01/19/2011 | CN101172941B Method for recycling acetic acid in dilute acetic acid |
| 01/19/2011 | CN101152969B Method of processing p-benzene dicarboxylic acid production wastewater |
| 01/19/2011 | CN101151097B Palladium-containing catalyst, method for producing the same, and method for producing alpha,beta-unsaturated carboxylic acid |
| 01/19/2011 | CN101100429B Process for producing carbonyl or hydroxy compound |
| 01/19/2011 | CN101092344B Method for extracting nervonic acid from oil of Mono Maple by using technique of molecular distillation |
| 01/18/2011 | US7872149 Biodiesel processes in the presence of free fatty acids and biodiesel producer compositions |
| 01/13/2011 | WO2011004980A2 Method for preparing tricyclic derivatives |
| 01/13/2011 | WO2011004429A1 Method for refining crude terephthalic acid |
| 01/13/2011 | WO2010111288A3 Spray process for selective oxidation |
| 01/13/2011 | WO2010109244A3 Process for the treatment of an ion exchange resin |
| 01/13/2011 | US20110009667 Use of Chemical Reaction to Separate Ethylene FromEthane in Ethane-Base Processes to Produce Acetic Acid |
| 01/13/2011 | US20110009666 Oxidation catalyst and its preparation |
| 01/13/2011 | US20110009665 Acetic acid production by way of carbonylation with enhanced reaction and flashing |
| 01/13/2011 | US20110009664 Method for preparing optionally substituted p-hydroxymandelic compounds and derivatives thereof |
| 01/13/2011 | US20110009638 Method for preparing 3-trifluoromethyl chalcones |
| 01/13/2011 | US20110008238 Regeneration of hydrogenation catalysts based on a platinum metal |
| 01/13/2011 | US20110005915 Method for recovering fluorocarboxylic acids |
| 01/13/2011 | CA2767383A1 Acetic acid production by way of carbonylation with enhanced reaction and flashing |
| 01/12/2011 | EP2272853A1 Spiro phosphorus-oxazoline, synthesis and use thereof |
| 01/12/2011 | EP2272813A2 Copper-catalyzed formation of carbon-oxygen bonds |
| 01/12/2011 | EP2271611A1 Methods for preparing oxydiphthalic anhydrides |
| 01/12/2011 | EP2271610A1 Purification of acetic acid from wood acetylation process |
| 01/12/2011 | EP2146947B1 Method for producing alkyl polyglycol carboxylic acids and polyglycol dicarboxylic acids |
| 01/12/2011 | CN201704239U Paraxylene oxidation crystallization device |
| 01/12/2011 | CN201704238U Production equipment of dimer acid |
| 01/12/2011 | CN201701772U Control device for removing low-carbon component from oleic acid |
| 01/12/2011 | CN101945847A Method for producing 6-hydroxy hexanoic acid esters |
| 01/12/2011 | CN101945846A Process for the production of acetic acid |
| 01/12/2011 | CN101945845A Cyclohexanone production process with modified post-distillation |
| 01/12/2011 | CN101945844A Cyclohexanone production process with multiple post-distillation |
| 01/12/2011 | CN101942530A Method for pretreating straw pentose hydrolyzate for fermentation |
| 01/12/2011 | CN101941904A Production method of salicylic acid |
| 01/12/2011 | CN101941903A Method for producing 2-methyl-4-MCPA |
| 01/12/2011 | CN101941902A Method for producing oxalic acid by utilizing mother liquor of sucralose |
| 01/12/2011 | CN101941901A Method for recycling mother solid in PTA-refining wastewater |
| 01/12/2011 | CN101941900A Preparation method of optically pure 4-aryl-2-hydroxy-butyric acid |
| 01/12/2011 | CN101941899A Preparation method of isotope labeled carboxylic acid compound |
| 01/12/2011 | CN101612669B Method for preparing cobalt oxalate by pulse electromagnetic field |
| 01/12/2011 | CN101502805B Catalyst for preparing acetic anhydride as well as preparation method and application |
| 01/12/2011 | CN101439256B Film method for recycling CO in high-pressure exhaust from production of acetic acid by carbonylation |
| 01/12/2011 | CN101255109B Technique for producing propenoic acid by dehydrating biomass lactic acid |
| 01/12/2011 | CN101068765B Process for the production of carbonylation products |
| 01/11/2011 | US7868202 Process for producing (meth)acrolein or (meth)acrylic acid |
| 01/11/2011 | US7868201 selective oxidation of n-hexane, n-octane, para-xylene in presence of a catalyst support zeolite; no need to add significant amounts of hydrogen; produce hexanol, octanol, p-methyl benzoic acid or terephthalic acid |
| 01/11/2011 | US7868187 Processes of producing glutamic acid compounds and production intermediates therefore and novel intermediate for the processes |
| 01/11/2011 | US7867736 water-miscible organic amine is reacted with magnesium lactate in an aqueous medium in a reactor to form the complex and precipitated magnesium hydroxide, after which the complex is cleaved into lactic acid and the water-miscible organic amine |
| 01/06/2011 | WO2011002284A1 Bio-derived olefin synthesis |
| 01/06/2011 | WO2011001894A1 Device and method for crystallizing (meth)acrylic acid |
| 01/06/2011 | WO2011001893A1 Process for production of (meth)acrylic acid |
| 01/06/2011 | WO2011001891A1 Process for production of (meth)acrylic acid |
| 01/06/2011 | WO2011001887A1 Device for crystallizing acrylic acid and method for crystallizing acrylic acid using same |
| 01/06/2011 | WO2011001213A1 A process for preparing dexketoprofen trometamol form a and form b crystals |
| 01/06/2011 | WO2011000808A2 Method for separating acrylic acid from the product gas mixture of a heterogeneously catalyzed partial gas phase oxidation of at least one c3-precursor compound |
| 01/06/2011 | WO2011000804A1 Method for preparing difluoroacetic acid |
| 01/06/2011 | WO2010132323A3 Method of removing hydrocarbon impurities from a gas |
| 01/06/2011 | US20110004015 Removing hydrocarbon impurities from acetic acid by ionic liquid extraction |
| 01/06/2011 | US20110003896 Dimeric double metal salts of (-)-hydroxycitric acid, methods of making and uses of same |
| 01/06/2011 | CA2766950A1 Device for continuously carrying out chemical reactions at high temperatures |
| 01/05/2011 | EP2270178A2 Method for producing alcohol and carboxylic acid having optical activity |
| 01/05/2011 | EP2269997A2 Method for producing aminothiazole derivative and production intermediate |
| 01/05/2011 | EP2269975A2 Method for producing aminothiazole derivative and production intermediate |
| 01/05/2011 | EP2269974A1 Bio-derived olefin synthesis |
| 01/05/2011 | EP2269973A1 Process for production of high-purity trimellitic acid |
| 01/05/2011 | EP2268727A1 Polyol ester plasticizers and process of making the same |
| 01/05/2011 | EP2268601A1 Method for preparing difluoroacetic acid and salts thereof |
| 01/05/2011 | EP2268397A1 Method for the decarboxylative hydroformylation of , alpha, beta -unsaturated carboxylic acids |
| 01/05/2011 | EP1797953B1 Process for producing oxygenic compound |
| 01/05/2011 | DE102009031305A1 Katalysatorbeschichteter Träger, Verfahren zu dessen Herstellung, ein damit ausgestatteter Reaktor und dessen Verwendung Catalyst-coated carrier, method for its production, a so-equipped reactor and its use |
| 01/05/2011 | CN101939283A Improved method for preparing (meth)acrylic anhydride |
| 01/05/2011 | CN101939282A Metal lactate powder and method for preparation |
| 01/05/2011 | CN101939104A Catalyst for the catalytic gas phase oxidation of aromatic hydrocarbons to form aldehydes, carboxylic acids and/or carboxylic acid anydrides, in particular phthalic acid anhydride |
| 01/05/2011 | CN101935319A Berberine organic acid salt, berberine organic acid salt inclusion compound and preparation methods thereof |
| 01/05/2011 | CN101935293A Method for preparing arginine ketoprofenate |
| 01/05/2011 | CN101935277A Porous rare-earth metal-organic framework material, preparation method and application thereof in natural gas storage |
| 01/05/2011 | CN101935276A Synthetic method of p-phthaloyl chloride |
| 01/05/2011 | CN101935275A Preparation method and application of gum rosin acid copper |
| 01/05/2011 | CN101935274A Process for producing medicinal zinc citrate |
| 01/05/2011 | CN101935272A Rare earth type water-base gel crosslinking agent and preparation method thereof |
| 01/05/2011 | CN101935271A Continuous recovery and separation method of light-component wastes in acetic acid production |
| 01/05/2011 | CN101933916A Application of gallic acid in preparing anti-HPV medicine |
| 01/05/2011 | CN101530810B Carried molecular sieve catalyst and application thereof in 2,6-naphthalene dicarboxylic acid synthesis |
| 01/05/2011 | CN101348428B Method for extracting amber acid in fermentation liquor by anion resin adsorption |
| 01/05/2011 | CN101006041B Acetic anhydride and acetate ester co-production |
| 01/04/2011 | US7863483 Employs concentration section disposed before and/or after product isolation section which allows for oxidation byproducts to exit product isolation section with isolated carboxylic acid product and/or to be combined with isolated carboxylic acid product downstream of product isolation section |
| 01/04/2011 | US7863481 Versatile oxidation byproduct purge process |