| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 06/15/2011 | CN102093339A Preparation method and application of pyrimidine derivatives |
| 06/15/2011 | CN102093307A Famotidine eutectic crystal |
| 06/15/2011 | CN102093267A Refining method of ibutilide fumarate |
| 06/15/2011 | CN102093261A Salicylic acid metformin salt and preparation method and medical application thereof |
| 06/15/2011 | CN102093226A Preparation method of diaminomethyl cyclobutane oxalate |
| 06/15/2011 | CN102093220A Preparation method of carboxylic acid and allyl carboxylate |
| 06/15/2011 | CN102093210A Purified preparation method of six ginkgoic acid monomers |
| 06/15/2011 | CN102093209A Method for preparing aromatic dimethyl chloride |
| 06/15/2011 | CN102093208A Method for producing L (+) tartaric acid |
| 06/15/2011 | CN102093207A Amorphous Sb-doped zinc tartrate micro-nano spheres and preparation method thereof |
| 06/15/2011 | CN102093206A Method for preparing levulinic acid by hydrolyzing sucrose by using nickel sulfate on silica gel as catalyst |
| 06/15/2011 | CN102093205A Method for preparing oleoylchloride for preparing modified lignosulfonate |
| 06/15/2011 | CN102093204A Preparation method of dicarboxylic acid and ammonium salt thereof for electrolytes |
| 06/15/2011 | CN102093203A Method for preparing succinic acid by catalytically oxidizing tetrahydrofuran |
| 06/15/2011 | CN102093202A Method for preparing magnesium oxalate granules by utilizing biomimetic synthesis technology |
| 06/15/2011 | CN102093201A Preparation method of lauroyl chloride for preparing modified lignosulfonate |
| 06/15/2011 | CN102093200A Method for extracting ethyl acetic acid, pentanoic acid and hexanoic acid from byproduct waste alkali liquid discharged during production of cyclohexanone |
| 06/15/2011 | CN102093199A Method for reclaiming cobalt acetate in reaction waste residue |
| 06/15/2011 | CN102093198A Method for producing acetic acid |
| 06/15/2011 | CN102093197A Method for preparing aromatic dimethyl chloride |
| 06/15/2011 | CN102093196A Method for preparing carboxylic acid by carbonylation of alkanol and/or active derivative thereof |
| 06/15/2011 | CN102093195A Method for preparing fluoro-acid |
| 06/15/2011 | CN102093194A New method for synthesizing 3-cyclopropyl methoxy-4-(difluoromethoxy) benzoic acid |
| 06/15/2011 | CN102093193A Method for preparing saturated 4-ethyl fatty acid |
| 06/15/2011 | CN102093149A Method for preparing carboxylic acid compound by promoting rapid hydrolysis of cyan |
| 06/15/2011 | CN102092906A Treatment and resource-utilizing technology of tert-butyl peroxy benzoate production wastewater |
| 06/15/2011 | CN102092904A Treatment and resource-utilizing technology of dibenzoyl peroxide production wastewater |
| 06/15/2011 | CN102092902A Treatment and reclamation process of production waste water of tert-amyl peroxypivalate |
| 06/15/2011 | CN102092875A Wastewater treatment method |
| 06/15/2011 | CN102092779A Method for producing high-purity zinc sulfide and co-producing acetic acid and sodium chloride by using sodium hydrosulfite filter residues |
| 06/15/2011 | CN102091647A Phosphate modified small-diameter NaY molecular sieve catalyst and preparation method and application thereof |
| 06/15/2011 | CN102091634A Preparation method of catalyst used in reaction of preparing methylacrolein by selective oxidation of isobutene/tertiary butanol |
| 06/15/2011 | CN102091610A Coprecipitation Cd/Al (Cadmium / Aluminum) catalyst and application of catalyst for catalyzing and synthesizing 2,6-naphthalenedicarboxylic acid |
| 06/15/2011 | CN102091453A Plate-and-frame filter press used in citric acid production process and solid-liquid separating method thereof |
| 06/15/2011 | CN101613332B Method for separating solution rich in gulonic acid and vitamin C by ion exclusion chromatography |
| 06/15/2011 | CN101289383B Process for preparing undecylenic acid by scission of castor oil |
| 06/15/2011 | CN101287694B Process for preparing acrolein/acrylic acid or a mixture thereof from propane |
| 06/14/2011 | US7960599 Method for making industrial chemicals |
| 06/14/2011 | US7960582 Process for the preparation and resolution of mandelic acid derivatives |
| 06/14/2011 | US7960581 Optimized liquid-phase oxidation |
| 06/14/2011 | US7960324 Additive composition having low temperature viscosity corrosion and detergent properties |
| 06/14/2011 | US7959879 By recovering and purifying residual terephthalic acid present in the liquid phase of the initial oxidation slurry; two oxidation reactors, multiple zones for evaporation, displacement, crystallization, separation and hydrogenation; final composite product formed containing unhydrogenated acid particles |
| 06/14/2011 | CA2605494C Process for the production of acetic acid |
| 06/14/2011 | CA2501050C Mixed metal oxide catalyst and process for production of acetic acid |
| 06/14/2011 | CA2436421C Method to treat chronic heart failure and/or elevated cholesterol levels using 3,5-diiodothyropropionic acid and method to prepare same |
| 06/14/2011 | CA2213374C Process for producing omega-9 highly unsaturated fatty acid and lipid containing the same |
| 06/09/2011 | WO2011069008A1 Carboxylic acid recovery and methods related thereto |
| 06/09/2011 | WO2011067363A2 Producing acetaldehyde and/or acetic acid from bioethanol |
| 06/09/2011 | WO2011067330A1 Alkali metal cinnamate powder and method for preparation |
| 06/09/2011 | US20110137080 Process and apparatus for recovery of acetic acid from a feed stream containing the corresponding ester |
| 06/09/2011 | US20110137078 Catalyst And Method For Producing Unsaturated Aldehyde And Unsaturated Carboxylic Acid |
| 06/09/2011 | US20110137077 Process and apparatus for oxidizing organic compounds |
| 06/09/2011 | US20110137072 Method for producing (meth)acrylic anhydride, method for storing (meth)acrylic anhydride, and method for producing (meth)acrylate |
| 06/09/2011 | US20110137051 Process for recovery of formic acid |
| 06/09/2011 | US20110133132 Chemically functionalized submicron graphitic fibrils, methods for producing same and compositions containing same |
| 06/09/2011 | CA2782690A1 Carboxylic acid recovery and methods related thereto |
| 06/08/2011 | EP2330095A2 Stable alkali metal lactate in powder form |
| 06/08/2011 | EP2330094A1 Alkali metal cinnamate powder and method for preparation |
| 06/08/2011 | EP2329880A1 Catalyst for acrolein and/or acrylic acid production and process for producing acrolein and/or acrylic acid using the catalyst |
| 06/08/2011 | EP2190809B1 Method for the production of optically active alpha alkyl carbonyl compounds |
| 06/08/2011 | CN201855691U Neutralization reactor for citric acid production |
| 06/08/2011 | CN102089439A Method for producing (1s,2r)-2-chloro-2-fluorocyclopropanecarboxylic acid |
| 06/08/2011 | CN102089293A Manufacture of maleic anhydride from renewable materials, maleic anhydride obtained and uses thereof |
| 06/08/2011 | CN102089269A Method for separating a carboxylic acid in salified form bearing at least one halogen atom. |
| 06/08/2011 | CN102089268A Method for the production of aryl polyglycol carboxylic acids by means of a direct oxidation process |
| 06/08/2011 | CN102089012A Method for producing water-absorbing polymer particles |
| 06/08/2011 | CN102086151A Method for preparing 3-methoxy-4-hydroxy mandelic acid |
| 06/08/2011 | CN102086150A Seven-layer tower extract and extraction method thereof, and seven-layer tower extract-containing component |
| 06/08/2011 | CN102086149A Novel method for extracting sodium gluconate |
| 06/08/2011 | CN102086148A Recycling technique of fumaric acid waste liquid |
| 06/08/2011 | CN101265174B Method for extracting hydroxyacetic acid from water solution mixture containing hydroxyacetic acid |
| 06/08/2011 | CN101233097B Process for preparing racemic alkyl-5-halopent-4-enecarboxylic acids or -carboxylic esters |
| 06/08/2011 | CN101077856B Method for preparing nonane diacid catalyzed by solid acid |
| 06/08/2011 | CN101018756B Process for the preparation of lactic acid or lactate from a magnesium lactate comprising medium |
| 06/07/2011 | US7956215 Versatile oxidation byproduct purge process |
| 06/07/2011 | US7956205 Peroxide reduction in functionalized vegetable oils |
| 06/07/2011 | US7956203 Contacting a compound containing alcohol and aldehyde functionalities with an oxidant in the presence of a metal bromide catalyst to create a dialdehyde |
| 06/07/2011 | US7956200 Silver- and vanadium-containing multimetal oxide and its use |
| 06/07/2011 | CA2482794C Process for the production of acetic acid |
| 06/03/2011 | WO2011066156A1 Method of preparing highly fluorinated carboxylic acids and their salts |
| 06/03/2011 | WO2011065529A1 Process for production of catalyst for use in production of methacrylic acid, and process for production of methacrylic acid |
| 06/03/2011 | WO2011064151A1 Process for the crystallization of succinic acid |
| 06/01/2011 | EP2327681A1 Fixed bed reactor and method for producing acrylic acid using the same |
| 06/01/2011 | EP2327474A1 Methanol carbonylation system having absorber with multiple solvent options |
| 06/01/2011 | EP2326615A1 Method for producing bio-resourced polymer-grade acrylic acid from glycerol |
| 06/01/2011 | CN201848244U Unsymtrimethyl benzene continuous oxidizing reaction device |
| 06/01/2011 | CN201848243U Trimethyl benzene continuous oxidation reactor |
| 06/01/2011 | CN201848242U Continuous oxidation reactor for unsym-trimethyl benzene |
| 06/01/2011 | CN102083993A Method for the production of free carboxylic acids |
| 06/01/2011 | CN102083782A Process for the production of glycolic acid |
| 06/01/2011 | CN102079853A Polylactic acid nucleating agent prepared by using carbon dioxide and application thereof |
| 06/01/2011 | CN102079700A Method for synthesizing novel tetracyclic diterpene compound from stevioside |
| 06/01/2011 | CN102079699A New crystal form for sodium valproate and preparation method and usage thereof |
| 06/01/2011 | CN102079698A Carbonylation method for synthesizing acetic acid by combining rhodium and iridium |
| 06/01/2011 | CN102079697A Preparation method of aryl propionic acid derivative |
| 06/01/2011 | CN101830749B Method for preparing compound fertilizer by using waste produced in process of preparing oxalate by using potato starchy residues |
| 06/01/2011 | CN101289385B Process for abstracting high-purity tanshinol form salvia |
| 06/01/2011 | CN101195564B Method for producing trichloro-acetic chloride with by-product in organic acyloxy silicone hydride production process |
| 06/01/2011 | CN101117315B Production method of citric acid |
| 05/26/2011 | WO2011061132A1 Multilayer catalyst for producing carboxylic acids and/or carboxylic acid anhydrides with vanadium antimonate in at least one catalyst layer, and method for producing phthalic acid anhydride with a low hot-spot temperature |