Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
12/2012
12/19/2012CN101585762B Method for synthesizing 2-(4-cyclopropoxycarbonylphenyl)-2-methylpropanoic acid
12/19/2012CN101432254B Integrated process for the production of acetic acid and vinyl acetate
12/18/2012US8334399 Method for producing acetone cyanohydrin and the subsequent products thereof by specific cooling
12/18/2012US8334397 Process for producing polyoxyethylene sorbitan fatty acid ester
12/18/2012US8334396 Process for the manufacture of saturated fatty acid esters
12/18/2012CA2534293C Niobium-doped vanadium/phosphorus mixed oxide catalyst
12/13/2012WO2012170059A1 Processes for producing hexanediol (hdo), hexamethylenediamine (hmd) from fermentation broths containing adipic acid
12/13/2012WO2012169585A1 Method for manufacturing polyoxyethylene alkyl ether acetic acid
12/13/2012WO2012169475A1 Method for producing bicyclic compound via claisen rearrangement
12/13/2012WO2012168905A1 Process for preparing formic acid
12/13/2012WO2012168668A1 Process for synthesizing bifunctional hydrocarbon-based compounds from biomass
12/13/2012WO2012168396A1 Process for preparing formic acid
12/13/2012WO2012145495A3 Variations on prins-like chemistry to produce 2,5-dimethylhexadiene from isobutanol
12/13/2012US20120316354 Pasteurisation process for microbial cells and microbial oil
12/13/2012US20120316337 Method for preparing chemical compounds of interest by nucleophilic aromatic substitution of aromatic carboxylic acid derivatives supporting at least one electro-attractive group
12/13/2012CA2837764A1 Process for preparing formic acid
12/12/2012EP2532644A1 Preparation of 2-(4-bromophenyl)-2-methylpropanoic acid
12/12/2012EP2531287A1 Process for the production of anhydrides
12/12/2012CN202590782U Special reaction still for producing lead stearate
12/12/2012CN202590415U Foundation annular plate
12/12/2012CN102822134A Method for producing difluoroacetyl chloride
12/12/2012CN102822133A Method for the production of ether carboxylates
12/12/2012CN102822132A Method for carboxylizing aromates and heteroaromates using CO2
12/12/2012CN102816063A Method for producing high purity 2-hydroxy-3-naphthoic acid
12/12/2012CN102816062A Method for preparing gallic acid by hydrochloric acid catalytic hydrolysis of tannin containing biomass in high temperature liquid water
12/12/2012CN102816061A Method for simultaneously preparing pyromellitic acid and terephthalic acid with coal serving as raw material
12/12/2012CN102816059A Production method and application of calcium hydrogen citrate
12/12/2012CN102816058A Method for preparing 2, 2-bis (hydroxymethyl) butyric acid
12/12/2012CN102816057A L-lactic acid impurity separating and removing process
12/12/2012CN102816056A Method for extracting itaconic acid through extraction of itaconic acid fermentation solution
12/12/2012CN102816055A Novel process of treatment of waste mother solution for itaconic acid fermentation through seawater desalination and membrane separation
12/12/2012CN102816054A Environment-friendly method for preparing adipic acid by catalytic oxidation
12/12/2012CN101981106B Polyol ester plasticizers and process of making the same
12/12/2012CN101927201B Method for removing impurities from solution of acetic acid and/or acetic anhydride hydroformylation catalyst
12/12/2012CN101903098B Regeneration of zeolite carbonylation catalysts
12/12/2012CN101811961B Multi-target optimum operation method for p-xylene oxidizing reaction process of industrial device
12/12/2012CN101748163B Method of producing propionic acid and propionate by microorganism fermentation
12/12/2012CN101671233B Method for producing sodium formate
12/12/2012CN101518726B Bubble column reactor mainly used for reactions of liquid-phase flow and vapor-phase flow
12/12/2012CN101508641B Applied technology for realizing circular economy industrial chain in benzoic acid purification production process
12/12/2012CN101500979B Removing permanganate-reducing impurities from acetic acid
12/12/2012CN101495438B Preparation of acetic acid
12/12/2012CN101492360B Process for the separation of aqueous phase by-product of fischer-tropsch synthesis reaction
12/12/2012CN101462944B Iron oxalate crystal and preparation thereof
12/12/2012CN101448845B Chiral ligands used in transition metal catalysts for asymmetric addition reactions especially hydrogenation
12/11/2012USRE43859 Method for producing vinyl acetate monomer from ethane or ethylene oxidation
12/11/2012US8329944 Method and apparatus for carbonylating methanol with acetic acid enriched flash stream
12/11/2012US8329942 Method for producing unsaturated aldehyde and unsaturated carboxylic acid
12/11/2012US8329939 Process for the preparation of halogenated benzoic acid derivatives
12/11/2012US8329606 Regeneration of zeolite carbonylation catalysts
12/11/2012US8328893 Method of producing oxide particles, slurry, polishing slurry, and method of polishing substrate
12/11/2012CA2627832C Preparation of microbial polyunsaturated fatty acid containing oil from pasteurised biomass
12/11/2012CA2579197C New double salts of (-)-hydroxycitric acid and a process for preparing the same
12/09/2012WO2012167530A1 Cleaning agent for lubricating oil and production process thereof
12/09/2012CA2778850A1 New co-crystals of agomelatine, their preparation process and the pharmaceutical compositions in which they are found
12/06/2012WO2012165506A1 Method for producing a purified naphthalene dicarboxylic acid
12/06/2012WO2012163931A1 Aqueous solution comprising acrylic acid and the conjugate base thereof
12/06/2012WO2012163600A1 Process for preparing methacrylic acid
12/06/2012US20120310010 Method for producing sulfonamides
12/06/2012US20120310009 Process for the Production of Acetic Acid
12/06/2012US20120310008 Process for preparing 2,5-dihydroxyterephthalic acid
12/06/2012US20120309973 Preparation of 2-(4-bromophenyl)-2-methylpropanoic acid
12/06/2012US20120309911 Method of producing arcylic and methacrylic acid
12/05/2012EP2530067A1 Process for preparing 2,5-dihydroxyterephthalic acid
12/05/2012EP2530066A1 Method for producing formic acid
12/05/2012EP2528889A1 Process for preparing and purifying fatty acids
12/05/2012EP2528888A1 Oxidation system with sidedraw secondary reactor
12/05/2012EP2528887A1 Oxidation system with sidedraw secondary reactor
12/05/2012EP2528886A1 Oxidation system with sidedraw secondary reactor
12/05/2012EP2528885A1 Method for producing carboxylic acids having 1-3 carbon atoms from renewable resources
12/05/2012EP2528884A1 Method for carboxylizing aromates and heteroaromates using co2
12/05/2012CN202576301U Retarder production equipment for concrete
12/05/2012CN202576300U Device for reducing content of methyl acetate during acetic acid synthesizing process
12/05/2012CN202576151U Methacrylic acid (MAA) heavy component secondary condensing and recovery system
12/05/2012CN202569967U Filter device for long carbon chain dibasic acid
12/05/2012CN202569864U Liquid adsorption type air filter and sodium gluconate production equipment
12/05/2012CN202569665U Layering equipment used for production of long chain dibasic acid
12/05/2012CN102812063A Production method for polyamide having norbornane skeleton, and polyamide having norbornane skeleton obtained by means of same
12/05/2012CN102811995A Oxidation system with sidedraw secondary reactor
12/05/2012CN102811994A Oxidation system with sidedraw secondary reactor
12/05/2012CN102811993A Oxidation system with sidedraw secondary reactor
12/05/2012CN102811808A Catalyst for gas-phase oxidations on the basis of sulfur- and calcium-poor titanium dioxide
12/05/2012CN102811781A Simulated Moving Bed Chromatographic Separation Process For Recovering Polyunsaturated Fatty Acid
12/05/2012CN102807489A Process for preparing 2,5-dihydroxyterephthalic acid
12/05/2012CN102807488A Hapten and antigen universally used for ether pyrethroid pesticide, and synthesis method and application of hapten and antigen
12/05/2012CN102807487A Synthetic method of onglyza intermediate
12/05/2012CN102807486A Method for preparing succinic acid
12/05/2012CN102807485A Composite cobalt salt bonding promoter and preparation method thereof
12/05/2012CN102408398B Preparation method of ranitidine bismuth citrate
12/05/2012CN102093198B Method for producing acetic acid
12/05/2012CN102061042B Rare earth thermal-stabilizing and plasticizing-promoting agent for PVC (polyvinyl chloride), composite additive of PVC and preparation methods thereof
12/05/2012CN101955425B Process method for producing 2.4-D acid without wastewater
12/05/2012CN101928213B Process for the preparation of a granular microbial biomass and isolation of valuable compounds therefrom
12/05/2012CN101906018B Integrated method for preparing acetic acid and methanol
12/05/2012CN101643400B Method for extracting succinic acid from fermentation liquor
12/05/2012CN101628871B Device for continuously converting glycerine into lactic acid by using hydrothermal reaction
12/05/2012CN101547887B Method of producing alpha,beta-unsaturated aldehyde and/or alpha,beta-unsaturated carboxylic acid
12/05/2012CN101384536B Use of predehydration towers in an ethane oxidation to acetic acid/ethylene process
12/05/2012CN101348426B Preparation technique of cobalt decanoate by hybrid reaction of cobaltous carbonate and organic acid
12/05/2012CN101255110B Method for preparing terephthalic acid
1 ... 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 ... 432