| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 06/12/2013 | CN103145545A Method of preparing propanoldiacid through catalytic oxidation of glycerol |
| 06/12/2013 | CN103145544A Method for synthesis of pentafluoropropionyl fluoride |
| 06/12/2013 | CN103145527A Process for synthesizing p-methoxy benzaldehyde or p-tertbutyl benzaldehyde |
| 06/12/2013 | CN102393637B Method for optimizing unit consumption of acetic acid of PTA (pure terephthalic acid) oxidation reactor in real time |
| 06/12/2013 | CN102336723B Preparation method of L-chloperastine fendizoic acid |
| 06/12/2013 | CN102241585B Process for purifying citric acid mother liquor |
| 06/12/2013 | CN102180783B Method for selectively separating rhodium (II) acetate from rhodium (II) acetate recrystallization waste liquor |
| 06/12/2013 | CN102093339B Preparation method and application of pyrimidine derivatives |
| 06/12/2013 | CN101928211B Method for synthesizing acetic acid by carbonylation |
| 06/12/2013 | CN101735041B Preparation method of 2-carboxybenzaldehyde |
| 06/12/2013 | CN101717346B Artificial synthesis method of capsaicin homologue |
| 06/12/2013 | CN101679179B Method for the conversion, under mild conditions and in aqueous medium, of gaseous and liquid alkanes into carboxylic acids |
| 06/12/2013 | CN101643406B Feed grade zinc lactate and application thereof |
| 06/12/2013 | CN101633615B Method for synthesizing acrylic acid from acetylene carbonyl |
| 06/12/2013 | CN101568514B Process for producing (meth)acrylic acid |
| 06/12/2013 | CN101531581B Regenerative method of PET wastes |
| 06/12/2013 | CN101506136B Perfluorocarboxylic acid salt and process for producing it |
| 06/12/2013 | CN101352433B Formulation capable of effectively balancing blood pressure, blood fat and promoting cardio-cerebral arterial vascular softening, and preparation method thereof |
| 06/11/2013 | US8461383 Process for starting up a separating process for purifying removal of acrylic acid crystals from a suspension S of crystals thereof in mother liquor |
| 06/11/2013 | US8461380 Method for production of acrylic acid |
| 06/11/2013 | US8461379 Production of acetic acid comprising feeding at least one reactant to a recycle stream |
| 06/11/2013 | US8461165 2-Substituted phenyl-5,7-dihydrocarbyl-3,7-dihydropyrrolo[2,3-d] pyrimidin-4-one derivatives, the preparation and the pharmaceutical use thereof |
| 06/11/2013 | CA2604070C Sodium diformate production and use |
| 06/06/2013 | WO2013082514A1 Dual function partial oxidation catalyst for propane to acrylic acid conversion and a process of making thereof |
| 06/06/2013 | WO2013082264A1 Synthesis of olefins |
| 06/06/2013 | WO2013081649A1 Process for preparing liquid overbased metal carboxylates, mixed metal stabilizers containing same, and stabilized halogen-containing polymers therewith |
| 06/06/2013 | WO2013080896A1 Method for producing 2,6-diethyl-4-methylphenylacetic acid |
| 06/06/2013 | WO2013079849A1 Method for cleaving unsaturated fatty chains |
| 06/06/2013 | WO2013079791A1 Method for catalytic oxidation of a natural composition including unsaturated fatty acids and/or esters thereof and the use of a mixture obtained therefrom for the production of mono-, oligo- and/or polyesters |
| 06/06/2013 | WO2013079785A1 Method for recovering and purifying propionic acid |
| 06/06/2013 | WO2013079421A1 Method for converting carbon dioxide and bicarbonates into formic acid derivatives using a cobalt complex as a catalytic system |
| 06/06/2013 | US20130144085 Dual function partial oxidation catalyst for propane to acrylic acid conversion |
| 06/06/2013 | US20130143909 Acid Salt Forms of Polymer-Drug Conjugates and Alkoxylation Methods |
| 06/06/2013 | US20130140169 Processes for producing nh4+ -ooc-r-cooh compounds from fermentation broths containing nh4+ -ooc-r-coo- nh4+ compounds and/or hooc-r-cooh compound acids, and conversion of nh4+ -ooc -r-cooh compounds to hooc-r-cooh compound acids |
| 06/06/2013 | CA2857558A1 Method for recovering and purifying propionic acid |
| 06/06/2013 | CA2857169A1 Method for cleaving unsaturated fatty chains |
| 06/05/2013 | EP2599766A1 Overbased calcium carboxylate/carbonate compositions |
| 06/05/2013 | EP2598468A1 Method for recovering an auxiliary used in a fermentation procedure for producing a product |
| 06/05/2013 | EP2598467A1 Process for producing acetic acid |
| 06/05/2013 | EP2598466A1 Microwave assisted synthesis of dehydrated sugar derivatives hydroxymethylfurfural, levulinic acid, anhydrosugar alcohols, and ethers thereof |
| 06/05/2013 | EP2598238A1 Catalyst for oxidation of o-xylene and/or naphthalene to phthalic anhydride |
| 06/05/2013 | CN202968430U Rotary pressure filter system for refining unit of PTA device |
| 06/05/2013 | CN202968429U Recovery device for tail gas washing liquid of phthalic acid drying machine |
| 06/05/2013 | CN202968428U Production device with yearly output of 100,000 tons of formic acid |
| 06/05/2013 | CN202961951U Calcium lactate production crystallizer |
| 06/05/2013 | CN202961916U Calcium lactate concentration device |
| 06/05/2013 | CN1867537B System and method for acetic acid recovery during terephthalic acid production |
| 06/05/2013 | CN103140463A Method for the oxidation of unsaturated organic compounds |
| 06/05/2013 | CN103140462A Synthesis of peretinoin |
| 06/05/2013 | CN103130707A Preparation method of ifenprodil tartrate |
| 06/05/2013 | CN103130639A Method for rectification and separation of benzoic acid, benzaldehyde, and toluene by single tower sidestream |
| 06/05/2013 | CN103130638A Method for preparing acetylpropionic acid by using magnetic solid super acidic catalyst cassava starch |
| 06/05/2013 | CN103130637A Ibuprofen-arginine and preparation method thereof |
| 06/05/2013 | CN103130636A Method enabling polyphosphoric acid to react with sodium formate to cooperatively generate high-purity formate acid and sodium dihydrogen phosphate |
| 06/05/2013 | CN103130635A Preparation method of high base number lubricating oil metal cleaning dispersant |
| 06/05/2013 | CN103130634A Preparation method for alkyl tertiary acid |
| 06/05/2013 | CN103130184A Method for comprehensively utilizing gas discharged by refining unit of PTA (Pure Terephthalic Acid) device |
| 06/05/2013 | CN102864189B Method for preparing alpha-linolenic acid based on urea envelope method of molecular distillation |
| 06/05/2013 | CN102452696B Treatment method for high salt content and high COD alkaline residue neutralization water |
| 06/05/2013 | CN102371163B Unsaturated aldehyde catalyst prepared by oxidation method and preparation method thereof |
| 06/05/2013 | CN102336733B Method of catalytic oxidation of cyclohexane |
| 06/05/2013 | CN102260158B Continuous production system for preparing high-quality formic acid by acidifying sodium formate with polyphosphoric acid |
| 06/05/2013 | CN102249898B Method for extracting antitumor component caffeic acid from Elsholtzia splendens |
| 06/05/2013 | CN102241581B Method for preparing manganese acetate from electrolytic manganese metal leaching residue |
| 06/05/2013 | CN102093193B Method for preparing saturated 4-ethyl fatty acid |
| 06/05/2013 | CN102089012B Method for producing water-absorbing polymer particles |
| 06/05/2013 | CN102060694B Method for preparing (+/-)-2, 2-dimethyl-3-chloroethynl cyclopropanecarboxylate |
| 06/05/2013 | CN101985417B Process for extracting salvianic acid A |
| 06/05/2013 | CN101948382B Synthetic method of 2-(4-alkyl substituted benzoyl) phenylformic acid |
| 06/05/2013 | CN101928278B (S)-4-[(4-chlorphenyl)(pyridine-2-yl)methoxyl]piperidinehydroxyphenpropionate and application thereof |
| 06/05/2013 | CN101817739B Synthesis method of alpha-methacryloylchloride |
| 06/05/2013 | CN101679186B Method and apparatus for making acetic acid with improved light ends column productivity |
| 06/05/2013 | CN101646643B Method for producing cross-coupling compound |
| 06/05/2013 | CN101622066B Method for producing a catalyst consisting of a carrier body and a catalytically active mass applied to the surface of the carrier body |
| 06/05/2013 | CN101550047B Method of de-alkyl amine |
| 06/04/2013 | US8455685 Acetic anhydride production by way of carbonylation with enhanced reaction and flashing |
| 06/04/2013 | US8455684 Method for converting aromatic aldehydes to aromatic acyl halides |
| 06/04/2013 | US8455680 Carboxylic acid production process employing solvent from esterification of lignocellulosic material |
| 06/04/2013 | US8455674 Chlorothioformate manufacturing method |
| 06/04/2013 | US8455388 Attrition resistant mixed metal oxide ammoxidation catalysts |
| 06/04/2013 | CA2562698C Process for the removal of corrosion metals from carbonylation catalyst solutions |
| 06/04/2013 | CA2537210C Bipolar trans carotenoid salts and their uses |
| 05/30/2013 | WO2013078391A1 Process to prepare levulinic acid |
| 05/30/2013 | WO2013078187A1 Palm oil enriched in unsaturated fatty acids |
| 05/30/2013 | WO2013076006A1 Derivatives of tris(2-hydroxyphenyl)methanes, the production thereof and use thereof for oil production |
| 05/30/2013 | WO2013033081A3 Process for producing both biobased succinic acid and 2,5-furandicarboxylic acid |
| 05/30/2013 | US20130137898 Electrochemical Co-Production of Chemicals Utilizing a Halide Salt |
| 05/30/2013 | US20130137895 Method for the extraction of shikimic acid |
| 05/30/2013 | US20130137894 Chemically-modified graphene and method for producing the same |
| 05/30/2013 | US20130137806 Process for preparing liquid overbased metal carboxylates, mixed metal stabilizers containing same, and stabilized halogen-containing polymers therewith |
| 05/30/2013 | US20130137718 Process for the preparation of 2-(cyclohexylmethyl)-n--1,2,3,4-tetrahydroisoquinoline-7-sulfonamide |
| 05/30/2013 | US20130134048 Electrochemical Co-Production of Chemicals Employing the Recycling of a Hydrogen Halide |
| 05/30/2013 | CA2856402A1 Process to prepare levulinic acid |
| 05/30/2013 | CA2854236A1 Derivatives of tris(2-hydroxyphenyl)methanes, preparation thereof and use thereof for mineral oil production |
| 05/29/2013 | EP2595947A1 Method for the oxidation of unsaturated organic compounds |
| 05/29/2013 | EP2595946A1 Controlling decanter phase separation of acetic acid production process |
| 05/29/2013 | EP2595746A1 Catalyst for oxidation of saturated and unsaturated aldehydes to unsaturated carboxylic acid comprising a heteropoly acid, method of making and method of using thereof |
| 05/29/2013 | CN202953966U System for fully-automatic production of food-grade sodium lactate |
| 05/29/2013 | CN202951452U Chlorination liquid discharge system for production of chloroactic acid |
| 05/29/2013 | CN202951278U Large-scale chloroactic acid crystallization kettle |