| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 09/23/2004 | US20040186162 preparation of the amorphous inhibitor and its hydrates of desired particle size which comprises dissolving the inhibitor in a hydroxylic solvent (methanol), then removing the solvent by freeze-drying |
| 09/23/2004 | US20040186027 Linear compounds containing phenolic and salicylic units |
| 09/23/2004 | US20040185395 Method and apparatus for preparing grains of silver salt of organic and method for producing thermally processed image recording material |
| 09/23/2004 | US20040185394 Method and apparatus for preparing grains of silver salt of organic acid and method for producing thermally processed image recording material |
| 09/23/2004 | US20040182693 Apparatus and process for purification of acrylic acid family |
| 09/23/2004 | CA2516567A1 Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
| 09/23/2004 | CA2516342A1 Process for producing perfluorodiacyl fluorinated compounds |
| 09/22/2004 | EP1460059A1 Process for producing 5-(3-cyanophenyl)-3-formylbenzoic acid compound |
| 09/22/2004 | EP1460053A1 Process for vapor-phase catalytic oxidation and process for production of (meth)acrolein or (meth)acrylic acid |
| 09/22/2004 | EP1459804A1 Catalysts comprising cyclic acylurea compounds and processes for production of organic compounds with the same |
| 09/22/2004 | EP1459794A2 Apparatus and process for purification of acrylic acid family |
| 09/22/2004 | EP1458481A1 Catalysts for producing carboxylic acid salts |
| 09/22/2004 | EP1458477A1 Catalyst supported on carbon having macroporosity for purification of aromatic acids |
| 09/22/2004 | EP1268059B1 Catalytic composition for carbonylation including iridium and pyridine polymers |
| 09/22/2004 | EP1220826B1 Process for the recovery of disproportionation reaction products |
| 09/22/2004 | EP1212310B1 Production of maleic anhydride |
| 09/22/2004 | EP1212279B1 Purification of aromatic diacids |
| 09/22/2004 | EP1210314B1 A process for improving yields in a disproportionation reaction (high yield henkel) |
| 09/22/2004 | EP1163200B1 Method of industrial-scale purification of lactic acid |
| 09/22/2004 | CN1531521A Method for stabilizing acrylic monomers |
| 09/22/2004 | CN1531459A Method for hydrogenating organic compounds by means of RU/SIO2 catalysts |
| 09/22/2004 | CN1531458A Flow reactors for chemical conversions with hetergeneous catalysts |
| 09/22/2004 | CN1530362A Preparation of acid by alpha-chlorination of epoxy resin |
| 09/22/2004 | CN1530360A Preparation of acid by alpha-chlorination of epoxy resin |
| 09/22/2004 | CN1167679C Process for preparatino of isotretionin |
| 09/22/2004 | CN1167663C Process for synthesizing potassium formate |
| 09/22/2004 | CN1167662C Process for producing vic-dichloro acid fluoride |
| 09/21/2004 | US6794540 Process for the preparation of sorbic acid |
| 09/21/2004 | US6794539 Method for producing multiple-phase multi-metal oxide materials |
| 09/21/2004 | US6794538 Process for the preparation of ethers deriving from hydroxybenzoic acids |
| 09/21/2004 | US6794331 Raney copper which is doped with at least one metal from the group comprising iron and/or noble metals is used as a catalyst in the dehydrogenation of alcohols. |
| 09/21/2004 | US6794328 Diphosphine compound, production intermediate thereof, transition metal complex containing the compound as ligand and asymmetric hydrogenation catalyst containing the complex |
| 09/21/2004 | US6793777 Solvent extraction and sequence of distillation steps; effective in presence of crude acids; does not use benzene or chlorinated hydrocarbons |
| 09/21/2004 | CA2347758C Method for racemate splitting of 2-hydroxypropionic acids |
| 09/21/2004 | CA2121020C Process to prepare amino carboxylic acid salts |
| 09/16/2004 | WO2004078849A2 Lubricant compositions containing an overbased amorphous alkaline earth metal salt as a metal protectant |
| 09/16/2004 | WO2004078695A1 Method for the purification of crocetin |
| 09/16/2004 | WO2004078694A1 Powdered overbased amorphous alkaline earth metal salts and processes for making |
| 09/16/2004 | WO2004078693A1 Process for production of hydroxybenzoic acids |
| 09/16/2004 | US20040181091 useful in materials for ion-exchange membranes; low cost |
| 09/16/2004 | US20040181090 Apparatus for oxidation of gasses to form acrylic acid compounds |
| 09/16/2004 | US20040181089 Drugs and methods of administering forming with crystallization and precipitation for antidiabetic agents |
| 09/16/2004 | US20040181085 Mixed metal oxide catalyst for producing nitriles from nitrates and unsaturated compounds |
| 09/16/2004 | US20040181084 Hydrothermally synthesized catalysts comprising a mixed metal oxide are utilized to produce unsaturated carboxylic acids by the vapor phase oxidation of an alkane, or an alkene |
| 09/16/2004 | US20040181083 Method for producing partial oxidation products and/or partial ammoxidation products of at least one olefinic hydrocarbon |
| 09/16/2004 | US20040181082 Palladium catalyst and processes for using the same |
| 09/16/2004 | US20040181073 Amides, useful in the inhibition of il-8-induced chemotaxis of neutrophils |
| 09/16/2004 | US20040180414 Method for producing g(g)-linolenic acids from a ciliate culture by adding suitable precursor molecules to said culture medium |
| 09/16/2004 | US20040178654 Pivotable vehicle trunk lid |
| 09/16/2004 | DE3717389B4 Neue naphthylaromatische Verbindungen, Verfahren zu ihrer Herstellung und ihre Verwendung in der Human- und Veterinärmedizin und in der Kosmetik New naphthylaromatische compounds, processes for their preparation and their use in human and veterinary medicine and cosmetics |
| 09/16/2004 | DE10217208B4 Verwendung von Ethercarbonsäuren mit niedrigem Stockpunkt Use of ether carboxylic acids with low pour point |
| 09/15/2004 | EP1457482A1 Stable isotope-labeled amino acid, method of integrating the same into target protein, method of nmr structural analysis of protein and process for producing site-selective stable isotope-labeled fumaric acid and tartaric acid |
| 09/15/2004 | EP1456166A2 Alkyl-capped alkoxylated esters and compositions comprising same |
| 09/15/2004 | EP1456164A2 Purification of a crude acid mixture |
| 09/15/2004 | EP1289920B1 Method for the production of acrolein or acrylic acid or the mixture thereof from propane |
| 09/15/2004 | EP1094999B1 Production of organic compounds which are low in fluoride |
| 09/15/2004 | EP0702517B1 Quaternary ammonium and waterproofing/preservative compositions |
| 09/15/2004 | CN1529689A Method for producing acrylic acid by heterogeneously catalysed gas phase oxidation of propene with molecular oxygen in reaction zone |
| 09/15/2004 | CN1529624A Azeotropic distillation process for producing organic acids or organic acid amides |
| 09/15/2004 | CN1528732A Bubble tower oxidation reaction unit for producing terephthalic acid |
| 09/15/2004 | CN1528731A Aliphatic acid metabolic imaging agent beta-methyl-15-parafluoro [18F] phenyl-pentadecanoic acid and synthesizing method thereof |
| 09/15/2004 | CN1528730A Acrylicid neutralizing method for preparing high water absorption resin |
| 09/15/2004 | CN1528729A Process for preparing ether carboxylate |
| 09/15/2004 | CN1166782C Continuous process for preparing optically pure (S)-3,4-dihydroxybutyric acid derivatives |
| 09/15/2004 | CN1166781C Continous process for preparing optically pure (S)-3-hydroxy-gamma-butyrolactone |
| 09/15/2004 | CN1166699C Recovery of modifier compounds and polar organic compounds from a poly (arylene sulfide) |
| 09/15/2004 | CN1166675C Extractant, extraction process and analysis method of high-activity ginkgo leaf extractive |
| 09/15/2004 | CN1166617C Intelligent control method for reaction temp in liquid-phase oxidizing reactor of p-xylene |
| 09/15/2004 | CN1166616C Process and apparatus for purifying raw lactic acid |
| 09/15/2004 | CN1166615C Process for preparing carboxylic acid |
| 09/15/2004 | CN1166564C Process for producing aninoic clays using magnesium acetate |
| 09/14/2004 | US6790991 Fomesafen produced by nitrating 3-(2-chloro-a,a,a-trifluoro-4-tolyloxy)-benzoic acid to form acifluorfen, converting to its acid chloride, and then reaction with methanesulfonamide |
| 09/14/2004 | US6790988 Useful for vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for vapor phase ammoxidation of an alkane or alkane alkene mixture to an unsaturated nitrile |
| 09/14/2004 | US6790987 To produce carboxylic acids without hydroxyl group; group 8 metal compound and an organic phosphine fixed to a support as catalyst; 2-ethylheptanoic acid by hydrogenation and cleavage of 2-ethylidene-6-hepten-5-olide |
| 09/14/2004 | US6790983 Oxidation of ethane to acetic acid and ethylene with high selectivity using mixed metal oxide catalyst, then esterification |
| 09/14/2004 | US6790982 Process for producing a fluorine atom-containing sulfonyl fluoride compound |
| 09/14/2004 | US6790342 Process to produce a dilute ethylene stream and a dilute propylene stream |
| 09/10/2004 | WO2004076404A1 Processes for the production of optically active compounds having substituents at the 2-position |
| 09/10/2004 | WO2004076399A1 Method for preparing oxydiphthalic anhydrides using guanidinium salt as catalyst |
| 09/10/2004 | WO2004076398A1 Process for preparing 3-hydroxycarboxylic acids |
| 09/10/2004 | WO2004076397A1 Process for producing carboxylated and/or hydroxylated arenes from arenes and formic acid in one pot |
| 09/10/2004 | WO2004076053A2 Chemical process for the preparation of intermediates to obtain n-formyl hydroxylamine compounds |
| 09/10/2004 | WO2004065358A3 Method of reducing toxicity of retinoids |
| 09/10/2004 | WO2004039498A3 Recovery process |
| 09/10/2004 | WO2004013071A3 Method for refining 2,6-naphthalene dicarboxylic acid |
| 09/10/2004 | WO2003007871A3 Process for the preparation of acitretin |
| 09/10/2004 | CA2516913A1 Process for preparing 3-hydroxycarboxylic acids |
| 09/10/2004 | CA2516465A1 Chemical process for the preparation of intermediates to obtain n-formyl hydroxylamine compounds |
| 09/09/2004 | US20040176641 catalyst is excellent in activity, selectivity, and catalyst life time and displays stable performances for a long time |
| 09/09/2004 | US20040176635 Mixing dicarboxylic acid and diol with condensation slurrying then filtering to form filter cake |
| 09/09/2004 | US20040176618 high stereoselectivity; mannitol and tartaric acid starting materials, hydrogenation of ketones, imines, and olefins; 1,2((2,2',5,5'-tetramethyl, 3,3',4,4'-tetrahydroxy) bisphospholane)benzene. |
| 09/09/2004 | US20040176432 simplified manner using considerably less process steps and with considerably improved yield and diastereoselectivity |
| 09/09/2004 | US20040176244 vapor phase oxidation or ammoxidation of alkanes to form unsaturated acids or nitriles using a mixed metal catalyst consisting of the orthorhombic phase of the calcined product of salts of V, Mo or W, and another metal |
| 09/08/2004 | EP1454913A1 Method for the synthesis of O-acylated derivatives of glucose |
| 09/08/2004 | EP1454894A1 Process for the continuous recovery of free tartaric acid from a raw material containing potassium hydrogentartrate |
| 09/08/2004 | EP1454892A1 Process for producing (meth)acrolein or (meth)acrylic acid |
| 09/08/2004 | EP1454891A1 Process for preparation of 4-(4-phenoxyphenoxy) benzoic acid by oxidation of 1-(4-methylphenoxy)-4-phenoxybenzene |
| 09/08/2004 | EP1453791A1 Acetyl l-carnitine salt with a dicarboxilic organic acid and process for preparing same |
| 09/08/2004 | EP1453785A2 Method for producing acrylic acid from propane in the absence of molecular oxygen |
| 09/08/2004 | EP1453784A1 Production of ammonium salts of aromatic carboxylic acids |