| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
|---|
| 08/26/2000 | CA2299587A1 Process for producing vinyl esters from butene oligomers |
| 08/24/2000 | WO2000048983A1 Soluble double metal salt of group ia and iia of (-) hydroxycitric acid |
| 08/24/2000 | WO2000048982A1 Process for the preparation of (2r)-2-propyloctanoic acid |
| 08/24/2000 | WO2000048981A1 Methods of extracting catalyst in solution in the manufacture of adipic acid |
| 08/24/2000 | WO2000048980A1 Catalytic oxidation of hydrocarbons |
| 08/24/2000 | WO2000048979A1 Catalyst having solid and vaporous component for the carbonylation of lower alkyl alcohols |
| 08/24/2000 | WO2000048978A1 Method for carbonylation of lower aliphatic alcohols |
| 08/24/2000 | WO2000048977A1 Method for carbonylation of lower alkyl alcohols |
| 08/24/2000 | WO2000048976A1 Iridium catalyst for carbonylation of lower aliphatic alcohols |
| 08/24/2000 | WO2000048972A1 Oxidation method |
| 08/24/2000 | CA2363033A1 Methods of extracting catalyst in solution in the manufacture of adipic acid |
| 08/23/2000 | EP1029846A1 Resolution of alpha-arylpropionic acids |
| 08/23/2000 | EP1029591A2 Catalyst for gas phase partial oxidation |
| 08/23/2000 | EP1029572A2 Method for distilling polymerizable compound or liquid containing polymerisable compound |
| 08/23/2000 | EP1028801A1 A method of performing a chemical reaction |
| 08/23/2000 | EP0824653B1 Effluent gas treatment |
| 08/23/2000 | EP0824511B1 Method for manufacture of products containing disalts of formic acid |
| 08/23/2000 | EP0821662B1 Recovery of acetic acid from dilute aqueous streams formed during a carbonylation process |
| 08/23/2000 | EP0805795B1 Novel aromatic amides, method for preparing and compositions containing same, and use thereof as pesticides |
| 08/23/2000 | CN1264360A Improved process for recovering hydrogen in producing pure terephthalic acid |
| 08/23/2000 | CN1264359A Water separation process |
| 08/23/2000 | CN1264358A Method for producing 3-hydroxy-2-methylbenzoic acid |
| 08/23/2000 | CN1263885A Method for preparing malonate |
| 08/23/2000 | CN1263794A Gas-phase partial oxidation catalytic agent |
| 08/23/2000 | CN1263786A Method for distilling polymericable compound and liquid containing polymericable compound |
| 08/23/2000 | CN1055677C Method of preparing caesium salts from caesium aluminium alum |
| 08/22/2000 | US6107525 Process for the manufacture of hydroxycarbonyl compounds |
| 08/22/2000 | US6107522 Prepared from butyrolactone |
| 08/22/2000 | US6107516 Production of aromatic hydroxycarboxylic acids |
| 08/22/2000 | US6107234 Phosphorus/vanadium maleic anhydride catalyst preparation |
| 08/22/2000 | US6107024 Using 1,2-dioxetane derivative substrate in enzyme-linked assay where enzyme is linked to antigen, antibody, hapten or nucleic acid; forms aryloxide intermediate when triggered, then releases energy to form light and two carbonyl compounds |
| 08/22/2000 | CA2299744A1 Manufacture of cycloalkenylpolyene esters |
| 08/22/2000 | CA2298943A1 Preparation of substituted olefins |
| 08/17/2000 | WO2000047658A1 Process for recycling polyesters |
| 08/17/2000 | WO2000047543A1 Process for the shaping of alkaline (earth) metal benzoate particles |
| 08/17/2000 | WO2000031014A8 Process of purifying and producing high purity aromatic polycarboxylic acids and derivatives thereof |
| 08/17/2000 | DE19923389A1 Process for the storage and/or transportation of pure acrylic acid comprises an acrylic acid concentration of 5 wt.% and less than 2 wt.% impurities |
| 08/16/2000 | EP1028105A1 Process for the preparation of Cyanoacetic esters |
| 08/16/2000 | EP1027320A1 Recovery of 2,6-naphthalene dicarboxylic acid from polyesters |
| 08/16/2000 | EP1027319A1 Forming terephthalic acid by electrochemical acidification of a sodium terephthalate solution |
| 08/16/2000 | EP0859753B1 Process for dicarboxylating dihydric phenols |
| 08/16/2000 | EP0779883B1 Method for preparing a substituted 4-hydroxybenzaldehyde |
| 08/16/2000 | EP0768295B1 Process for producing acetic acid |
| 08/16/2000 | EP0584108B1 Pharmaceutical composition comprising ibuprofen salt |
| 08/16/2000 | CN2391876Y Forced circulation evaporation installation for prodn. of calcium lactate |
| 08/16/2000 | CN1263521A Process for production of methyl methacrylate |
| 08/16/2000 | CN1263464A Pharmaceutical preparations containing hydrosoluble ketoprofen salts and their application |
| 08/16/2000 | CN1263082A Method for preparing oxalic acid by using diethyl oxalate |
| 08/16/2000 | CN1055461C Aryl acetic acid derivatives and use as germicide |
| 08/16/2000 | CN1055457C Refining method of para-tert-butyl benzoic acid |
| 08/15/2000 | US6103935 Isomerization of maleic acid at high conversions which comprises heating maleic acid in the presence of phosphoric acid |
| 08/15/2000 | US6103934 Manufacturing and process control methods |
| 08/15/2000 | US6103933 Methods for controlling the oxidation rate of a hydrocarbon by adjusting the ratio of the hydrocarbon to a rate-modulator |
| 08/15/2000 | US6103931 Starting from phenylalanine, sodium nitrite and concentrated hydrobromic acid in a mixture of an aqueous solvent and a solvent selected from halogenated hydrocarbons and aromatic hydrocarbons |
| 08/15/2000 | US6103930 Recovery of 2,6-naphthalene dicarboxylic acid from polyesters |
| 08/15/2000 | US6103919 Catalytic system and method for coupling of aromatic compounds |
| 08/10/2000 | WO2000046235A1 Novel betulinic acid derivatives, processes for preparing such derivatives and its use as cancer growth inhibitors |
| 08/10/2000 | WO2000046174A1 A method of preparing cyclohexanecaraboxylic acid using [2+4] diels-alder reaction |
| 08/10/2000 | WO2000046173A1 Method for producing overbased zinc soaps |
| 08/10/2000 | WO2000046172A1 Oxidation of hydrocarbons to acids in the presence of fluoro compounds |
| 08/10/2000 | WO2000045928A1 Method and device for purifying substances by means of crystallisation |
| 08/10/2000 | DE19922156A1 Multimetal oxide composition, useful as oxidation catalyst, especially for gas phase production of (meth)acrylic acid, is based on crystallites of constant composition |
| 08/10/2000 | DE19922113A1 Multimetal oxide composition, useful as oxidation catalyst, especially for gas phase production of (meth)acrylic acid, comprises crystallites of constant composition |
| 08/10/2000 | DE19904820A1 Verfahren und Vorrichtung zur Reinigung von Stoffen mittels Kristallisation Method and apparatus for the purification of substances by means of crystallization |
| 08/10/2000 | DE19904139A1 Verfahren zur Herstellung überbasischer Zinkseifen Process for preparing overbased zinc soaps |
| 08/10/2000 | CA2361709A1 Oxidation of hydrocarbons to acids in the presence of fluoro compounds |
| 08/10/2000 | CA2361682A1 A method of preparing cyclohexanecaraboxylic acid using ¬2+4| diels-alder reaction |
| 08/09/2000 | EP1026146A2 A method for producing purified phenylenedioxydiacetic acids |
| 08/09/2000 | EP1026145A2 Method for purifying acrylic acid |
| 08/09/2000 | EP1025076A1 Method for producing (meth)acrylic acid |
| 08/09/2000 | EP1025075A1 Method for selectively producing acetic acid through the catalytic oxidation of ethane |
| 08/09/2000 | EP1025074A1 Recovery and recycle of catalyst components used in palladium-catalyzed preparation of arylcarboxylic acids |
| 08/09/2000 | EP1025073A1 Method of heterogeneous catalyzed vapor-phase oxidation of propane to acrolein and/or acrylic acid |
| 08/09/2000 | EP1024808A1 Pharmaceutical preparations containing hydrosoluble ketoprofen salts and their application |
| 08/08/2000 | US6100427 By subjecting the nitrile to catalytic distillation in the treatment zone in the presence of a hydration compound, to hydrate the nitrile to the corresponding amide and/or acid and withdrawing the amide and/or acid; efficiency |
| 08/08/2000 | US6100374 Method of purifying crude naphthalenedicarboxlic acid and process for preparing polyethylene naphthalate |
| 08/08/2000 | CA2197664C Two powder synthesis of hydrotalcite and hydrotalcite-like compounds |
| 08/03/2000 | WO2000044863A1 Method for obtaining an oil that is rich in hydroxyoctadecadienoic fatty acids (hode) or the esters thereof from a mixture containing linoleic acid or the esters thereof |
| 08/03/2000 | WO2000044704A1 Method for expoxidizing or dihydroxilating unsaturated fatty acids |
| 08/03/2000 | WO2000044494A1 Phosphorus/vanadium maleic anhydride catalyst preparation |
| 08/03/2000 | CA2325887A1 Method for obtaining an oil that is rich in hydroxyoctadecadienoic fatty acids (hode) or the esters thereof from a mixture containing linoleic acid or the esters thereof |
| 08/02/2000 | EP1023259A1 Process for the oxidation of di-, tri-, oligo- and polysaccharides into polyhydroxycarboxylic acids |
| 08/02/2000 | EP1023258A2 Lactic acid processing; methods; arrangements; and, products |
| 08/02/2000 | EP1023257A1 Process to prepare a pentenoic acid anhydride |
| 08/02/2000 | EP1023255A1 Method for producing aldehydes and carboxylic acids by oxidizing primary alcohols |
| 08/02/2000 | EP0620857B1 Synthesis of homochiral 2-hydroxy acids |
| 08/02/2000 | CN2389893Y Enforced circulation one-shot concentrating apparatus for production of lactic acid |
| 08/02/2000 | CN1055079C Extraction method for unsaturated fatty acid from fish oil |
| 08/01/2000 | US6096920 Large-scale production of certain aromatically-substituted aliphatic carboxylic acids and their acid derivatives |
| 08/01/2000 | US6096486 Thermographic recording material with improved image tone and/or stability upon thermal development |
| 08/01/2000 | CA2121571C Substituted phenoxy isobutyric acids and esters |
| 08/01/2000 | CA2019335C Phenylalkan (en)oic acids |
| 07/27/2000 | WO2000043341A2 Method for producing acrolein by heterogeneous catalytic gas-phase partial oxidation of propene |
| 07/27/2000 | DE19902562A1 Production of acrolein, useful as intermediate for glutardialdehyde, methionine, folic acid and acrylic acid, by catalytic oxidation of propene uses 2 consecutive reactors operating outside explosion range |
| 07/27/2000 | DE19833118C2 Verfahren zur Herstellung von orthoalkylierten Benzoesäurederivaten Process for the preparation of benzoic acid derivatives orthoalkylierten |
| 07/26/2000 | CN1261293A Process for preparing carboxylic acid salts and catalysts useful in such process |
| 07/26/2000 | CN1261069A Process for preparing sodium isooctoate |
| 07/25/2000 | US6093847 By carbonylation of p-isobutyl phenylethanol, halide source, protonic acid, and water using group 8 metal catalyst of given formula, containing a semilabile anionic organic chelating ligand, containing nitrogen and oxygen donors |
| 07/25/2000 | US6093846 Process for preparing optically active 2-hydroxy-methyl-3-phenylpropionic acid |
| 07/25/2000 | US6093835 Reacting hydrocarbon with oxygen in vapor phase in the presence of catalyst to yield reaction mixture gas containing maleic anhydride, bringing reaction mixture gas into contact with organic solvent, washing |