Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
10/2006
10/26/2006US20060241309 Oxidizing n-butane in the gas phase under heterogeneous catalysis with oxygen-containing gases over a vanadium-, phosphorus- and oxygen-containing catalyst in a reactor, removing the maleic anhydride formed to form a gas stream; recycling at least a portion of the unconverted n-butane to the reactor unit
10/26/2006US20060240190 Compound of substituted dicyclopentane complexed with Ruthenium for chemical vapor deposition; high purity and high electric conductivity
10/26/2006US20060240074 Preferred salts are triple metal salts of calcium, magnesium or zinc and potassium; tasteless, odorless and highly water soluble; used in beverages, neutraceuticals and for treating obesity
10/26/2006US20060237356 Process for controlling a hydraulic wash column
10/26/2006DE10215943B4 Aufarbeitung von Rückständen bei der Herstellung von Carbonsäuren Work-up of residues in the production of carboxylic acids
10/26/2006DE10196976B4 Durch reaktionskontrollierten Phasentransferkatalysator katalysiertes Oxidationsreaktionsverfahren By reaction controlled phase transfer catalyst catalyzed oxidation reaction process
10/26/2006CA2605516A1 Catalyst-coated support, method for producing the same, reactor comprising the same and use thereof
10/26/2006CA2604569A1 Efficient and selective conversion of carbon dioxide to methanol, dimethyl ether and derived products
10/25/2006EP1714956A1 Process for the preparation of (2R)-2-Propyloctanoic acid
10/25/2006EP1714955A1 Fixed bed reactor for gas-phase catalytic oxidation and processes for producing acrolein or acrylic acid
10/25/2006EP1714696A1 Support for gas-phase oxidation catalyst and process for its production, gas-phase oxidation catalyst, and process for producing acrylic acid
10/25/2006EP1713755A1 Method for producing 2,5-dimethylphenyl acetic acid
10/25/2006EP1713582A1 A catalyst system
10/25/2006EP0986532B2 Method for purifying lactic acid
10/25/2006CN1852886A Process for the production of alpha-alkoxy/hydroxy-beta-(p-hydroxyphenyl) propionic acid derivatives
10/25/2006CN1852885A Method for producing nitrile compound, carboxylic acid compound or carboxylate compound
10/25/2006CN1852884A Production process of optically pure 2- (4-hydroxyphenoxy) - propionic acid compounds
10/25/2006CN1852883A Alpha-hydroxy-benzeneacetic acid derivatives, and compounds having two 5-membered lactone rings fused to central cyclohexa-1,4-diene nucleus based upon the same, and uses of the compounds
10/25/2006CN1852882A Process for reduction of carbon dioxide with organometallic complex
10/25/2006CN1850771A Method for extracting (methyl) acrylic acid aqueous solutior
10/25/2006CN1850770A Novel process for producing potassium formate
10/25/2006CN1850769A Method for preparing alpha-olefine acid by olefin oxidation
10/25/2006CN1850768A Process for preparing high purity crystalline sorbic acid
10/25/2006CN1850767A 3,5-di (4-carboxy phenoxy) benzene carbonic acid-and its preparing method
10/25/2006CN1281573C Process for producing (meth)acrylic acid compounds
10/25/2006CN1281572C Method of preparation and/or purification crylic acid and/or methyl crylic acid compound
10/25/2006CN1281571C Preparation process of metal formate/formic acid mixture
10/25/2006CN1281570C Method for the purification of an alpha-hydroxy acid on an industrial scale
10/25/2006CN1281569C Preparation of azelaic acid by catalytic oxidizing system
10/25/2006CN1281568C Preparation of phthalic anhydride
10/25/2006CN1281567C Oxidation treatment of a recycle stream in production of acetic acid by methanol carbonylation
10/24/2006US7126025 intermediates in the synthesis of pharmaceutically active protein kinase inhibitors
10/24/2006US7126024 Process and catalyst for dehydrogenating primary alcohols to make carboxylic acid salts
10/24/2006US7126018 Methods for the preparation of polyol esters that are light in color
10/24/2006US7126017 Method of reducing toxicity of retinoids
10/24/2006US7126016 Process for preparing fluorocarboxylic acids
10/24/2006US7125950 Making bio-based polyurethanes by reacting a polyesterpolyol transesterification reaction product of a natural oil and a polyhydroxy compound such as sorbitol, with potassium hydroxide catalyst, with an isocyanate; renewable polymer; cost effective process
10/24/2006US7125694 Esterifying dihydroxystearic acid with an alcohol in the presence of lipase, particularly lipozyme
10/24/2006CA2367876C The preparation of e-oxime ethers of phenylglyoxylic esters
10/24/2006CA2184928C Lactic acid production, separation and/or recovery process
10/19/2006WO2006109999A1 Recovering method of acetic acid from effluent of terephthalic acid production process
10/19/2006WO2006109661A1 Process for production of 2,3,4-trifluoro-5-(iodo or bromo)benzoic acid
10/19/2006WO2006108717A2 New method for the preparation of 6-(3-(1-adamantyl)-4-methoxphenyl)-2-naphthoic acid
10/19/2006WO2006108652A1 Sodium diformate production and use
10/19/2006US20060235243 Fixed bed reactor for gas-phase catalytic oxidation and processes for producing acrolein or acrylic acid
10/19/2006US20060235242 Recovering method of acetic acid from effluent of terephthalic acid production process
10/19/2006US20060235232 Catalysts for gas phase oxidations
10/19/2006US20060235198 Process for obtaining fatty acid alkyl esters, rosin acids and sterols from crude tall oil
10/19/2006US20060231798 Bismuth mediated oxidations
10/19/2006US20060230672 Diesel fuel additive compositions for improvement of particulate traps
10/19/2006DE102005017089A1 New solid sodium diformate comprising formic acid useful as feed additive for animal fodder, acidifier, preservative, fertilizer, silage auxiliary agent and a fertilizer and growth promoter
10/19/2006CA2604070A1 Sodium diformate production and use
10/19/2006CA2603690A1 New method for the preparation of 6-(3-(1-adamantyl)-4-methoxyphenyl)-2-naphthoic acid
10/18/2006EP1712630A1 Process for producing optically active alcohol and carboxylic acid
10/18/2006EP1712609A1 Method for preparing unsaturated fatty acids
10/18/2006EP1712540A1 Method for improving conversion rate of oil soluble unsaturated lipids into water-soluble lipids
10/18/2006EP1458477B1 Catalyst supported on carbon having macroporosity for purification of aromatic acids
10/18/2006CN1849170A Niobium-doped vanadium/phosphorus mixed oxide catalyst
10/18/2006CN1847213A Acitretin purifying process
10/18/2006CN1847212A Process for manufacturing high purity methacrylic acid
10/18/2006CN1280251C Method for preparing dexiotropous antifoim dichlor chrysanthemic acid in high optical purity through method of induced crystallization
10/18/2006CN1279893C Surfactant compounds and uses thereof
10/17/2006US7122663 Oxidation of alcohols to aldehydes, ketones, acids
10/12/2006WO2006031422A3 Optimized liquid-phase oxidation
10/12/2006US20060229483 hydrocarbon conversion comprising fluidization of catalysts, then feeding the catalyst and petroleum feedstock into chemical reactors for conversion and separating the catalyst from the products in a separation zone
10/12/2006US20060229467 Methods for producing carbonyl fluoride and apparatus for production
10/12/2006US20060229466 Transition metal-containing catalysts and catalyst combinations including transition metal-containing catalysts and processes for their preparation and use as oxidation catalysts
10/12/2006US20060229461 Method for preparing unsaturated fatty acids
10/11/2006EP1710227A1 Method for producing acrylic acid
10/11/2006EP1710226A1 Chemical method for recycling polyethylene terephtalate (pet) wastes
10/11/2006EP1709144A1 Method for the preparation of conjugated linoleic acid
10/11/2006EP1708988A1 Ibopamine maleate, method for preparing it and pharmaceutical compositions containing it
10/11/2006EP1708987A1 L-(-)-moprolol l-(+)-tartrate
10/11/2006EP1708984A1 Recovery of organic acids
10/11/2006EP1708982A1 Integrated process for acetic acid and methanol
10/11/2006EP1556326B1 Method for the alkylation of salicylic acid
10/11/2006EP1246696B1 Oxidative reactions using membranes that selectively conduct oxygen
10/11/2006EP1204630B1 Branched, substantially unsaturated ester oils
10/11/2006EP1185496B1 Method of making hydrogenated acids
10/11/2006CN1845892A Method of separating stereoisomers of norbornene, dicarboxylic acid having norbornane structure, or derivative thereof
10/11/2006CN1845785A Method of producing unsaturated aldehyde and unsaturated acid in fixed-bed catalytic partial oxidation reactor with enhanced heat control system
10/11/2006CN1844187A Process for producing terephthalic unsaturated polyester resin by using terephthalic acid rinsing residue
10/11/2006CN1844074A Method for production of potassium diformate
10/11/2006CN1844073A Method for reusing waste hydrochloric acid used in acid washing of iron and steel industry and reclaiming ferrous oxalate therefrom
10/11/2006CN1844072A Method for synthesizing 6-hydroxy-2-naphthoic acid
10/11/2006CN1843630A Method for reclaiming oxidation catalyst
10/11/2006CN1843628A Forming method of methacrylic acid catalyst synthesized by selective oxidation of methylacrolein
10/11/2006CN1843624A Catalyst system for synthesizing acetic anhydride by carbonyl under low pressure
10/11/2006CN1279013C Process for preparing carboxylic acids and derivatives thereof
10/11/2006CN1279012C Process for production of ruthenium (III) acetate solution
10/11/2006CN1279011C Process control in production of acetic acid via use of heavy phase density measurement
10/10/2006US7119228 Process for producing methionine
10/10/2006US7119227 Process for catalytic vapor phase oxidation
10/10/2006US7119224 preparing and/or working up mixtures of unsaturated acid and/or esters in the presence of polymerization inhibitors and oxygen which comprises metering the gas at controlled velocity
10/10/2006US7119219 For catalyst/adsorbent/desiccant/flame retardant/storage/ depot material for active materials/sensors/electronics/ pigment
10/10/2006US7119218 Reacting carboxylic acid with tin salt in contact with oxygen
10/10/2006US7119217 group III compounds such as gallium tripalmitate, used for prophylaxis of bone and autoimmune disorders, as antiinflammatory or anticarcinogernic agents
10/10/2006US7119216 Metathesis of unsaturated fatty acid esters or unsaturated fatty acids with lower olefins
10/10/2006US7119215 1,3-dimethyl-4-(4'-fluorobenzoyl)benzene as a starting material for antidepressants
10/10/2006US7118920 Multiphasic microchannel reactions