Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
01/2007
01/16/2007US7164039 Heterogeneously catalyzed partial gas phase oxidation of propene to acrylic acid
01/16/2007US7164038 Contacting aqueous ammonia solution containing crude aromatic dicarboxylic acid with hydrogen in presence of heterogeneous metal-containing catalyst comprising a noble metal and a support under conditions of temperature, pressure, and contact time effective to reduce visible color of aromatic acid
01/16/2007US7163912 Lubricant compositions containing an overbased amorphous alkaline earth metal salt as a metal protectant
01/11/2007WO2007005411A1 Process and catalyst for oxidation of hydrocarbons
01/11/2007WO2007005086A1 Process for making phenylene dioxydiacetic acid and use thereof
01/11/2007WO2007004437A1 SILVER β-KETOCARBOXYLATE, MATERIAL COMPRISING THE SAME FOR FORMING SILVER METAL, AND USE THEREOF
01/11/2007WO2007004238A2 A process for the manufacture of divalproex sodium
01/11/2007WO2007003662A1 Method for start-up of oxidation catalysts
01/11/2007WO2007003358A1 Assembly for the treatment of a polymerizable material
01/11/2007WO2007003200A2 High yield synthesis methods for producing organic salts of strontium
01/11/2007WO2006125199A3 A process to produce a post catalyst removal composition
01/11/2007US20070010690 Process for manufacturing high purity methacrylic acid
01/11/2007US20070010688 Preparation or organic acids from aldehyde compounds by means of liquid phase oxidation reaction
01/11/2007US20070010687 Carbonylation of an alcohol and/or a reactive derivative in the presence of hydrogen and as a catalyst a rhodium of iridium complex with a polydentate ligand, especially a phosphine ligand such as xantphos, thixantphos, sixantphos, homoxantphos, phosxantphos, isopropxantphos, nixantphos, or benzoxantphos
01/11/2007US20070010686 Method of preparing phenylacetic acid
01/11/2007US20070010685 Forming phenylsodium by reacting sodium, toluene, and a cryptand or crown compound catalyst; producing phenylacetic acid by reacting an alkali metal, a phenyl halide, a solvent and a cryptand or crown compound catalyst
01/11/2007US20070010682 Forming renewable isoparaffin diesel fuel from vegetable oil, or animal fats via hydrotreatment and isomerization
01/11/2007US20070010681 Submitting a mixture of alcohol and vegetable oil to high pressure and temperature; releasing nonreacted alcohol, glycerin, and esters via a flow and pressure control valve; cooling and separating an upper phase of nonreacted alcohol from an intermediate phase of esters and a lower phase of glycerin
01/11/2007US20070010579 Copper salts of organic acids and use thereof as fungicides
01/11/2007US20070010394 Process for producing catalyst for methacrylic acid production
01/11/2007DE102005031465A1 Verfahren zum Anfahren von Oxidationskatalysatoren Method for starting of oxidation catalysts
01/11/2007CA2614226A1 High yield synthesis methods for producing organic salts of strontium
01/10/2007EP1741706A1 11-methyl-13-tridecanolide, 12-methyl-14-tetradeca- nolide and 13-methyl-15-pentadecanolide, perfume compositions containing the same, and process for the production of compounds including the same
01/10/2007EP1741697A1 Crystal comprising (2r)-2-propyloctoic acid and amine
01/10/2007EP1740526A1 Method for recovering acrylic acid
01/10/2007EP1740525A1 Process for preparing carboxylic acids and derivatives thereof
01/10/2007EP0920300B2 Vegetable oil compositions
01/10/2007CN1894230A A process for the liquefaction of lignocellulosic material
01/10/2007CN1894194A Method for purifying (meth)acrylic acid by oxidising a gaseous substrate
01/10/2007CN1894191A Anthracene and other polycyclic aromatics as activators in the oxidation of aromatic hydrocarbons
01/10/2007CN1894041A Catalyst for production of unsaturated aldehyde and unsaturated carboxylic acid, method for producing same, and method for producing unsaturated aldehyde and unsaturated carboxylic acid
01/10/2007CN1294127C Method for separating di-alhydride
01/10/2007CN1294113C Method for the rectifying separation of liquids containing (meth)acrylic monomers in a rectification column
01/10/2007CN1294112C Method for the purification of alpha-hydroxy acids on an industrial scale
01/09/2007US7161044 Catalytic gas phase oxidation reaction
01/09/2007US7161030 By reduction with hydrogen in the presence of a platinum catalyst supported on metal fluorides of the corresponding compounds with at least one -COCl end group
01/09/2007US7161028 Method for producing acrylic acid from propane in the absence of molecular oxygen
01/09/2007US7161027 Process for the oxidative purification of terephthalic acid
01/09/2007US7161026 Forming phenylsodium by reacting sodium, toluene, and a cryptand or crown compound catalyst; producing phenylacetic acid by reacting an alkali metal, a phenyl halide, a solvent and a cryptand or crown compound catalyst
01/09/2007US7161025 Esterifying an alcohol in liquid phase with an acyl fluoride (especially a perfluoroacyl fluoride) in an amount greater that required to esterify all the hydroxyl groups, and fluorinating the ester formed
01/09/2007US7161022 Process for producing 4-phenyl-4-oxo-2-butenoic ester derivative
01/09/2007CA2372646C Method for manufacturing rumen bypass feed supplement
01/09/2007CA2267887C Removal of permanganate reducing compounds and alkyl iodides from a carbonylation process stream
01/09/2007CA2230946C Removal of carbonyl impurities from a carbonylation process stream
01/09/2007CA2217836C Improved process for producing valproic acid
01/09/2007CA2134872C Bromine catalysed oxidation processes
01/04/2007WO2007001043A1 Process for production of lactic acid and equipment for the production
01/04/2007WO2007000068A1 Manufacturing process for catalytic active material
01/04/2007US20070004940 Process for preparing fluorohalogenethers
01/04/2007US20070004903 Method for the separation of monomers from a composition containing a monomer
01/04/2007US20070003460 Shell and tube with measuring means; depressurization; swing prevention; for production of (meth)acrolein and (meth)acrylic acid
01/03/2007EP1739072A1 Polymorphic forms of dexketoprofen trometamol, preparation and pharmaceutical compositions thereof
01/03/2007EP1739071A1 Method for producing carboxylic acid compound
01/03/2007EP1737831A1 Neurologically-active compounds
01/03/2007EP1737808A1 Removal of permanganate reducing compounds from methanol carbonylation process stream
01/03/2007EP1737806A1 Selective hydrogenation of functional groups in substrates and partially hydrogenated fatty acids and fatty acid derivatives
01/03/2007EP1277726B1 Process for the preparation of 2-halobenzoic acids
01/03/2007CN1889942A Drug containing (2R)-2-propyloctanoic acid as the active ingredient
01/03/2007CN1887845A Granular sodium benzoate and its production process
01/03/2007CN1887844A Synthesis process of 4-oxo carboxylic acid or 5-oxo carboxylic acid
01/03/2007CN1887843A Process of separating and extracting succinic acid from anaerobic fermented liquid
01/03/2007CN1887842A Process of rectifying gallic acid through eliminating metal impurity in small amount
01/03/2007CN1887841A Improved process of producing heat resistant nylon salt
01/03/2007CN1887840A Prepn process of polybasic aromatic carboxylic acid
01/03/2007CN1293033C Continuous process for preparing lactic acid
01/03/2007CN1293032C Process for the production of metal salts of radical-polymerizable compounds
01/03/2007CN1293031C Method for preparing indan-1,3-dicarboxylic acid
01/03/2007CN1292833C Catalyst recovery
01/03/2007CN1292832C Mixed metal oxide catalyst
01/02/2007US7157599 Reacting a carboxylic acid with a methylenating agent in the presence of a catalyst containing a metal of Group 13 of the Periodic Table of Elements in the amount of not more than 5 weight %; catalyst selectivity
01/02/2007US7157598 Method for producing an aqueous alkali acrylate solution
01/02/2007US7157597 Reacting gas mixture comprising acrolein, molecular oxygen and at least one inert gas, over a fixed catalyst bed comprising multimetal oxide
01/02/2007US7157595 In presence of alpha-olefin; ester hydrolysis
01/02/2007US7157590 Chemical intermediate for vision defect drug
01/02/2007US7157403 Catalyst-precursor for the production of maleic acid anhydride and method for the production thereof
01/02/2007CA2379342C Process for the preparation of 5- and/or 6-substituted-2-hydroxybenzoic acid esters
12/2006
12/28/2006WO2006138034A1 Ortho-nitrosophenols as polymerization inhibitors
12/28/2006WO2006138029A1 Optimized liquid-phase oxidation
12/28/2006WO2006136674A1 Method for making carboxylic acids
12/28/2006WO2006136336A2 Prodcution of acrolein acrylic acid and water-absorbent polymer structures made from glycerine
12/28/2006WO2006113293B1 Efficient and selective conversion of carbon dioxide to methanol, dimethyl ether and derived products
12/28/2006WO2006111340A3 Catalyst-coated support, method for producing the same, reactor comprising the same and use thereof
12/28/2006WO2006082215A3 Catalyst system for catalytic gas phase reactions featuring an increasing catalyst activity in the direction of flow of the gas
12/28/2006US20060293539 Alkanes are oxidised to oxygenates such as carboxylic acids with molecular oxygen employing a two component catalyst system which uses a liganded heavy metal compound and a mixed metal oxide
12/28/2006US20060293538 Oxidation of propane to give acrylic acid using catalysts in a mixture of crystaline phases
12/28/2006US20060293537 Control method for process of removing permanganate reducing compounds from methanol carbonylation process
12/28/2006US20060293536 via non-racemic cinchona-alkaloid-type catalyst (quinidine) for addition of nucleophile
12/28/2006US20060293533 contacting triglyceride, ethanol or methanol with a cation exchange resin as first solid catalyst, then contacting with a second solid anion exchanging resin as second catalyst ( together form heterogenous catalyst system); transesterication of fatty acid groups in triglyceride with methanol or ethanol
12/28/2006US20060293532 Manufacturing method of bio-diesel oil
12/28/2006CA2611662A1 Optimized liquid-phase oxidation
12/28/2006CA2607967A1 Ortho-nitrosophenols as polymerization inhibitors
12/27/2006EP1735262A1 Process for preparing cinnamic acids and alkyl esters thereof
12/27/2006EP1735260A2 Purification of carboxylic acids by complexation with selective solvents
12/27/2006EP1735093A1 Catalyst having a silver-vanadium oxide phase and a promoter phase
12/27/2006EP1735068A1 Separating bottom for a distillation column
12/27/2006EP1507783B1 Hydroxy diphosphines and their use in catalysis
12/27/2006EP1366011B1 Fluorinated carboxylic acid recovery and reuse
12/27/2006CN1886360A Novel cycloalkenycarboxylic acid and its uses
12/27/2006CN1886359A A process for resolving, optionally substituted, mandelic acids by salt formation with a chiral base cyclic amide
12/27/2006CN1884247A Process for filtering dimer acid