| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 04/01/2009 | CN101397241A Ent-abieta diterpenoid largeleaf rabdosia leaf I and J, preparation method and use thereof |
| 04/01/2009 | CN101396670A Absorbent capable of removing iodide in acetic acid and preparation method and use thereof |
| 04/01/2009 | CN100473637C Rare earth metal compound in aqueous solvent, method for producing the same, and method for producing ceramic powder using the same |
| 04/01/2009 | CN100473636C Method for purifying (meth)acrylic acid by oxidising a gaseous substrate |
| 04/01/2009 | CN100473457C Carbon-supported noble metal catalyst and preparation method thereof |
| 03/31/2009 | US7511172 Gas phase oxidation of propylene in air after the water vapor has been removed from the air; absorption efficiency of acrylic acid is enhanced; high yields |
| 03/31/2009 | US7511171 Arylalkylation of an alkyl p-hydroxybenzoate, hydrolysis of the reaction mixture, pH adjustment, phase separation to isolate p-(4-phenylbutoxy)benzoic acid from p-hydroxybenzoic acid |
| 03/31/2009 | US7511164 Creatine-fatty acids |
| 03/31/2009 | US7511163 Enhanced bioavailability; forming creatine from fatty acid and thionyl halide; amidation |
| 03/31/2009 | CA2356121C Novel propargylether derivatives |
| 03/31/2009 | CA2348472C Method for preparing acetic acid and/or methyl acetate in the presence of iridium and platinum |
| 03/31/2009 | CA2329353C Method for producing mixtures of 1,4-butanediol, tetrahydrofuran and .gamma.-butyrolactone |
| 03/26/2009 | WO2009039407A1 Water-soluble and water-insoluble, ring opening metathesis polymerization products, monomers and related methods |
| 03/26/2009 | WO2009039144A1 Processes for the esterification of free fatty acids and the production of biodiesel |
| 03/26/2009 | WO2009038045A1 Process for producing aromatic carboxylic acid |
| 03/26/2009 | US20090082593 Process for the Production of Acetic Acid |
| 03/26/2009 | US20090082592 Green catalytic process for the synthesis of acetyl salicylic acid |
| 03/26/2009 | US20090082582 Process For Preparing [2-(2,3- Dihydrobenzofuran - Or Benzofuran-7-Yloxy)Ethyl]-(3 -Cyclopent-1-Ylbenzyl)Amine Derivatives and Synthesis Intermediate |
| 03/26/2009 | US20090082530 Catalytic process for producing ethylene and carbon monoxide mixtures from ethane |
| 03/26/2009 | US20090081785 Desiccated Biologics And Methods Of Preparing The Same |
| 03/25/2009 | EP2039674A2 Improved process for selective reduction of propionic acid from (meth)acrylic acid product streams |
| 03/25/2009 | EP2039673A1 Aqueous solutions of organic acid chromium(iii) salts and process for preparation thereof |
| 03/25/2009 | EP2038247A2 Site-specific inhibitors of histone methyltransferase [hmtase] and process of preparation thereof |
| 03/25/2009 | EP2038246A1 Recovery of aromatic dicarboxylic acids from waste polyester resin |
| 03/25/2009 | EP2038115A1 Reactor from plated stainless steel for the continuous heterogeneously catalyzed partial dehydration of at least one hydrocarbon to be dehydrated, and corresponding method |
| 03/25/2009 | EP1472228B1 Process for the manufacture of hmg-coa reductase inhibitors |
| 03/25/2009 | CN101395122A Methods and apparatus for producing a low-moisture carboxylic acid wet cake |
| 03/25/2009 | CN101395121A Versatile oxidation byproduct purge process |
| 03/25/2009 | CN101395120A Polycarboxylic acid production system with enhanced residence time distribution for oxidative digestion |
| 03/25/2009 | CN101395119A Carboxylic acid production process |
| 03/25/2009 | CN101395118A Polycarboxylic acid production system employing cooled mother liquor from oxidative digestion as feed to impurity purge system |
| 03/25/2009 | CN101395117A Polycarboxycic acid production system employing hot liquor removal downstream of oxidative digestion |
| 03/25/2009 | CN101394923A Oxidation system with sidedraw secondary reactor |
| 03/25/2009 | CN101391961A Phyllanthus emblica leaf or fruit anticancer Chinese medicine and preparation method and use thereof |
| 03/25/2009 | CN101391952A Recovery method of terephthalic acid/isophthalic acid refinement mother liquor |
| 03/25/2009 | CN101391951A Production preparation process of high-purity shikimic acid |
| 03/25/2009 | CN101391950A Improved process for selective reduction of propionic acid from (meth)acrylic acid product streams |
| 03/25/2009 | CN101391949A Process for converting a hydroxy carboxylic acid or salts thereof, to an unsaturated carboxylic acid and/or its esters |
| 03/25/2009 | CN101391948A Method for preparing 3-methyl-2-butenoic acid |
| 03/25/2009 | CN101391947A Synthetic method of 3,3-dimethyl butyladehyde |
| 03/25/2009 | CN101391946A Control method of acetaldehyde content during acetic acid synthesis from methanol carbonylation |
| 03/25/2009 | CN101391945A Novel purification method for formic acid |
| 03/25/2009 | CN101391944A Method for distilling (meth)acrylic acid and/or the ester thereof |
| 03/25/2009 | CN101391232A Pyrazole acetic-acid rhodium complexes catalyst capable of catalyzing carbonylation reaction to preparing acetic acid and acetic anhydride and preparation method and use thereof |
| 03/25/2009 | CN101391231A Imidazole acetic-acid rhodium complexes catalyst capable of catalyzing carbonylation reaction to preparing acetic acid and acetic anhydride and preparation method and use thereof |
| 03/25/2009 | CN100471831C Method of recovering fluorinated acid surfactants from adsorbent particles loaded therewith |
| 03/24/2009 | US7507857 Optimized liquid-phase oxidation |
| 03/24/2009 | US7507856 Oxidation of cyclohexane to adipic acid |
| 03/24/2009 | US7507421 From aqueous extract of Garcinia cambogia/indica fruits; tasteless; for use in foods |
| 03/24/2009 | CA2438880C Free-flowing products comprising potassium formate |
| 03/24/2009 | CA2437501C Process for the manufacture of phenylacetic acid derivatives |
| 03/24/2009 | CA2337502C Method for recovering methyl acetate and residual acetic acid in the production of pure terephthalic acid |
| 03/24/2009 | CA2329477C Method for producing 1,4-butanediol |
| 03/19/2009 | US20090076304 Methods for producing carboxylic acid chloride compounds |
| 03/19/2009 | US20090076298 Utilization of acetic acid reaction heat in other process plants |
| 03/19/2009 | US20090076297 Process for converting a hydroxycarboxylic acid, or salts thereof, to an unsaturated carboxylic acid and/or its esters |
| 03/19/2009 | US20090076286 Process for operating a continuous removal of a target product x in the form of fine crystals |
| 03/19/2009 | US20090076284 Process for continuously removing a target product x in the form of fine crystals |
| 03/19/2009 | US20090076232 Process for operating a continuous removal of a target product x in the form of fine crystals of the target product x |
| 03/19/2009 | US20090076151 Method for stimulating weight loss and/or for lowering triglycerides in patients |
| 03/18/2009 | EP2036879A1 Process For Converting A Hydroxy Carboxylic Acid Or Salts Thereof, To An Unsaturated Carboxylic Acid And/Or Its Esters |
| 03/18/2009 | EP2035138A1 Catalyst system and method for producing carboxylic acids and/or carboxylic acid anhydrides |
| 03/18/2009 | EP1575894B1 Process for the preparation of diphenic acid |
| 03/18/2009 | EP1558556B1 Flexible method for the joint production of (i) formic acid, (ii) a carboxylic acid comprising at least two carbon atoms and/or the derivatives thereof, and (iii) a carboxylic acid anhydride |
| 03/18/2009 | CN101389585A Preparation of compounds having a perfluoroalkylcarbonyl group |
| 03/18/2009 | CN101386578A Method for making high content lactofen original drug |
| 03/18/2009 | CN101386577A Purification of conjugate linolenic acid by multi-stage constant temperature crystallization process |
| 03/18/2009 | CN101386576A Synthetic method of 1,3-adamantanedicarboxylic acid |
| 03/18/2009 | CN101386575A Method for preparing iron oxalate |
| 03/18/2009 | CN101385907A Process for operating a continuous removal of a target product X in the form of fine crystals of the target product X |
| 03/18/2009 | CN101385906A Process for operating a continuous removal of a target product X in the form of fine crystals of the target product X |
| 03/18/2009 | CN101385905A Method for continuously separating target product X in form of fine crystallized product |
| 03/18/2009 | CN100469889C Microbial method for producing acetic acid and solvent for extraction of acetic acid from fermentation liquid |
| 03/18/2009 | CN100469753C Method of producing formic acid using packed bed electrodialysis |
| 03/18/2009 | CN100469752C Thermal separating method for separating at least one mass flux containing enriched (meth)acrylic monomers |
| 03/18/2009 | CN100469751C Process of rectifying gallic acid through eliminating metal impurity in small amount |
| 03/18/2009 | CN100469750C Method of extracting calcium gluconate from mother liquid after calcium gluconate crystallization |
| 03/18/2009 | CN100469749C Process and catalyst for dehydrogenating primary alcohols to make carboxylate |
| 03/17/2009 | US7504536 Compositions comprising calcium citrate malate and methods for making the same |
| 03/17/2009 | US7504535 Optimized liquid-phase oxidation |
| 03/17/2009 | US7504435 Method for stimulating weight loss and/or for lowering triglycerides in patients |
| 03/17/2009 | US7504357 Catalyst composition for the selective conversion of alkanes to unsaturated carboxylic acids, method of making and method of using thereof |
| 03/12/2009 | WO2009032728A2 Preparation of fatty acids in solid form |
| 03/12/2009 | WO2009032427A2 Method of inhibiting polymerization and fouling in acrylic acid and acrylate processes |
| 03/12/2009 | WO2009031562A1 Method of adsorbing and method of recovering fluorine-containing compound |
| 03/12/2009 | WO2009017909A3 System and process for production of fatty acids and wax alternatives from triglycerides |
| 03/12/2009 | WO2009010435A3 Method for the chemical depolymerization of waste polyethylene terephthalate |
| 03/12/2009 | WO2008148549A3 Novel reaction with a gold catalyst |
| 03/12/2009 | US20090069596 Novel asymmetric synthesis of (S)-(+)-3-(aminomethyl)-5-methylhexanoic acid |
| 03/12/2009 | US20090069587 Enzymatic Degumming Utilizing a Mixture of PLA and PLC Phospholipases with Reduced Reaction Time |
| 03/12/2009 | US20090068440 Production of acrolein, acrylic acid and water-absorbent polymer structures made from glycerine |
| 03/11/2009 | EP2032519A1 Method for the continuous production of unsaturated carboxylic acid anhydrides |
| 03/11/2009 | EP2032517A1 Use of, and method using a catalyst containing titanium dioxide, particularly for the production of phthalic anhydride |
| 03/11/2009 | EP1516624B1 Method of producing calcium gluconolactate, compositions, processes and uses of same |
| 03/11/2009 | EP1360160B1 Method for producing high-purity diisobutene |
| 03/11/2009 | CN101384539A Method for extracting methacrylic acid |
| 03/11/2009 | CN101384538A Method for the heterogeneously catalysed partial gas phase oxidation of propylene to form acrylic acid |
| 03/11/2009 | CN101384537A Process for preparing porous metal-organic framework materials |
| 03/11/2009 | CN101384536A Use of predehydration towers in an ethane oxidation to acetic acid/ethylene process |
| 03/11/2009 | CN101384535A Carbonylation process |