Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
12/2010
12/15/2010CN1472187B Preparing method for acrylic acid
12/15/2010CN101918350A Improved method and apparatus for carbonylation with reduced catalyst loss
12/15/2010CN101918349A Process for the preparation of diacerin
12/15/2010CN101914580A Calcium salt method for producing citric acid by recycling waste residues calcium sulfate
12/15/2010CN101914386A Composite method for removing and reclaiming naphthenic acid from fraction oil
12/15/2010CN101914053A Method for preparing indolylacetic acid and abscisic acid from seaweeds
12/15/2010CN101914025A Method for preparing p-amino-N,N-dimethylaniline oxalate
12/15/2010CN101914024A Method for preparing N,N-diethyl-1,4-phenylenediamine oxalate
12/15/2010CN101914013A Water-saving terephthalic acid production method
12/15/2010CN101914012A Preparation method of chromium citrate
12/15/2010CN101914011A Method for preparing levulinic acid by catalyzing bamboo shoot shells through functional ionic liquid
12/15/2010CN101914010A Method for preparing high-purity dimeric acid
12/15/2010CN101914009A Method for preparing food-grade adipic acid
12/15/2010CN101914008A Method for recycling catalyst in process of preparing dichloropropanol by using glycerol method
12/15/2010CN101914007A Method for preparing high-temperature resistant zinc stearate
12/15/2010CN101914006A Method for preparing zinc stearate having hydrophilicity
12/15/2010CN101914005A Method for preparing palladium acetate compound
12/15/2010CN101914004A Synthesis process of calcium formate
12/15/2010CN101914003A Method for producing aromatic carboxylic acids by liquid-phase catalytic oxidation of alkyl aromatics
12/15/2010CN101260344B Method for producing docosapentaenoic acid and docosahexaenoic acid mixed fatty acid from micro-algae oil
12/15/2010CN101148405B Separation device and method for citric acid
12/14/2010US7851511 Emulsifier for highly liquid W/O emulsion based on partly crosslinked polyglycerol esters of polyhydroxystearic acid
12/14/2010US7850928 Fixed-bed shell-and-tube reactor and its usage
12/14/2010CA2413748C Production of aromatic carboxylic acids
12/09/2010WO2010141334A1 Synthesis of certain trifluoromethyl ketones
12/09/2010WO2010140530A1 Method for crystallizing (meth)acrylic acid and method for regulating content of polymerization inhibitor in (meth)acrylic acid product
12/09/2010WO2010139588A1 Process for the preparation of a composition comprising meso-tartaric acid
12/09/2010US20100312012 Unsaturated dicarboxylic acids from unsaturated cyclic hydrocarbons and acrylic acid by way of metathesis, the use thereof as monomers for polyamides, polyesters and polyurethanes, and subsequent reaction to diols and diamines
12/09/2010US20100312006 Production of levulinic acid and levulinate esters from biomass
12/09/2010US20100311968 Deprotection of boc-protected compounds
12/09/2010DE102009026822A1 Verfahren zur Umstabilisierung von (Meth)acrylmonomeren A process for Umstabilisierung acrylic monomers of (meth)
12/09/2010CA2763612A1 Process for the preparation of a composition comprising meso-tartaric acid
12/08/2010EP2258675A2 Fluorinated surfactants for making fluoropolymers
12/08/2010EP2257516A2 Methods of making cyclododecatriene and methods of making laurolactone
12/08/2010EP1618953B1 Use of a metal catalyst
12/08/2010CN201665642U Acetic acid reaction system
12/08/2010CN201664584U Discharging spray nozzle
12/08/2010CN201664533U Filtering device
12/08/2010CN1914145B Method for producing aromatic carboxylic acid
12/08/2010CN1878742B Method for the production of formic acid formates
12/08/2010CN101910104A Acetaldehyde removal from methyl acetate by distillation at elevated pressure
12/08/2010CN101910100A An improved process for the production of alcohol from a carbonaceous feedstock
12/08/2010CN101910099A Process for the production of alcohol from a carbonaceous feedstock
12/08/2010CN101910092A Carboxylic acid production process employing solvent from esterification of lignocellulosic material
12/08/2010CN101906033A Preparation method of m-methyl benzoyl formyl chloride
12/08/2010CN101906032A Method for recycling L-(+)-tartaric acid
12/08/2010CN101906031A Method for preparing formic acid
12/08/2010CN101906018A Integrated method for preparing acetic acid and methanol
12/08/2010CN101905158A Platinum carbon catalyst for preparing alcohol ether carboxylic acid and preparation method and application thereof
12/08/2010CN101502806B Supported non-precious metal catalyst for synthesizing acetic anhydride as well as production method and use
12/08/2010CN101439849B Comprehensive utilization process for waste aluminum etching solution
12/08/2010CN101130482B Method and equipment for improving technique of methyl acetate hydrolyzation
12/08/2010CN101058536B Method of preparing ultramicro ferrous oxalate
12/08/2010CN101045681B Method for producing heavy stearate by reaction extrusion process of screus reactor
12/07/2010US7847121 Carboxylic acid production process
12/02/2010WO2010137602A1 Method for producing a catalyst for producing methacrylic acid, and method for producing methacrylic acid
12/02/2010WO2010136551A2 Catalyst and method for partially oxidizing hydrocarbons
12/02/2010WO2010092500A3 A process for the preparation of tolterodine tartrate
12/02/2010WO2010088865A3 New salts of desvenlafaxine and a method of their preparation
12/02/2010US20100305360 Purification of acetic acid from wood acetylation process using extraction
12/02/2010US20100305358 Method For The Production Of Acyl Glycinates By Means Of Direct Oxidation
12/02/2010US20100305357 Optimized Liquid-Phase Oxidation
12/02/2010US20100305354 Method for the synthesis of diacids or diesters from natural fatty acids and/or esters
12/02/2010US20100305345 Process for producing fluorine-containing compounds
12/02/2010DE112008002315T5 Herstellung von Fettsäuren in fester Form Production of fatty acids in solid form
12/02/2010CA2763332A1 Levulinic acid from fungal biomass
12/01/2010EP1072580B1 Process for producing chloromethylphenylacetic acid
12/01/2010CN201660572U Liquefied corn acid-saccharification equipment
12/01/2010CN201660570U Special device for preparing methyl chloride compound
12/01/2010CN101903334A GSM intermediates
12/01/2010CN101903325A Carbonylation process for the production of acetic acid and/or methyl acetate
12/01/2010CN101903324A Process to prepare treprostinil, the active ingredient in Remodulin
12/01/2010CN101903288A A process to make a clay comprising charge-balancing organic ions, clays thus obtained, and nanocomposite materials comprising the same
12/01/2010CN101903100A Carbonylation process
12/01/2010CN101903098A Regeneration of zeolite carbonylation catalysts
12/01/2010CN101903072A Method of filtering crystallization slurry
12/01/2010CN101898975A Synthesis method of S-O-chlorobenzene glycine methyl ester tartrate
12/01/2010CN101898959A Biphenyl compound and preparation method and use thereof
12/01/2010CN101898958A Preparation method of 1,3-adamantane dicarboxylic acid
12/01/2010CN101898957A Method for synthesizing 3, 4-dihydroxyl mandelic acid by glyoxylic acid method
12/01/2010CN101898956A Method for industrial production of antitackiness agent ammonium ferric citrate for green food edible salt
12/01/2010CN101898955A Zeolite-catalyzed preparation of alpha-hydroxy carboxylic acid compounds and esters thereof
12/01/2010CN101898954A Novel alkaline hydrolysis process of dichloride chloropinacoline
12/01/2010CN101898953A Technological research for producing sodium acetate by comprehensively utilizing chemical waste liquid
12/01/2010CN101898952A Method and device for treating low-concentration acetic acid wastewater
12/01/2010CN101898951A Process and reactor for the thermoneutral conversion of ethanol to acetic acid
12/01/2010CN101898950A Process for the conversion of ethanol to acetic acid
12/01/2010CN101898105A Chemical reaction device for fully recycling gas raw material
12/01/2010CN101898089A Dehydration system
12/01/2010CN101555204B Preparation method of caffeic acid medicinal raw material
12/01/2010CN101434535B Preparation of natural ferulaic acid
12/01/2010CN101265181B Isomerization method for substituted aromatic nonatetraenes derivatives
12/01/2010CN100999459B Technology of synthesizing nano bismuth stearate by liquid phase dispersing process
11/2010
11/30/2010US7842833 Process for the production of carbonylation products
11/25/2010WO2010134434A1 Process for production of (meth)acrylic acid
11/25/2010WO2010133651A1 Method for purifying carboxylic acids containing halogen compounds
11/25/2010WO2010133088A1 Continuous acidolysis process of citrate
11/25/2010US20100298601 Catalyst System, Oxidation Reactor Containing The Same, And Preparation Method For Acrolein And Acrylic Acid Using The Same
11/25/2010US20100298600 Nanodiamond compounds synthesized by surface functionalization
11/25/2010US20100298599 Processes for producing and recovering shikimic acid