| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 05/23/2002 | US20020062043 Process for preparing optionally substituted biphenylcarbonyl chlorides |
| 05/23/2002 | US20020062042 Promoted multi-metal oxide catalyst |
| 05/23/2002 | US20020062041 Reacting benzyl chlorides with carbon monoxide water or an alcohol in a dipolar aprotic solvent in the presence of a transition metal catalyst of subgroup VIII |
| 05/23/2002 | US20020062040 Production method of citalopram, intermmediate therefor and production method of the intermediate |
| 05/23/2002 | US20020062038 Ir and/or Sm promoted multi-metal oxide catalyst |
| 05/23/2002 | US20020061917 Efficient process for the preparation of a factor Xa inhibitor |
| 05/23/2002 | DE10122027A1 Production of acrolein or acrylic acid involves absorption of propane and propene from a gas mixture followed by desorption and oxidation, with no catalytic dehydrogenation of propane and no added oxygen |
| 05/23/2002 | DE10057888A1 Production of butanetetracarboxylic acid derivatives useful as intermediates for e.g. plant protectants, dyes, complexing agents, polymers by cathodic reduction of maleate or fumarate esters and producing co-product at anode |
| 05/23/2002 | DE10057262A1 Verfahren zur Herstellung von Phenylessigsäurederivaten Process for the preparation of phenylacetic acid derivatives |
| 05/23/2002 | DE10055810A1 Acetic acid production in high selectivity and yield, by oxidation of ethane with molecular oxygen in a fluidized bed of catalyst particles with specific gas bubble diameter and/or catalyst particle diameter |
| 05/23/2002 | DE10055498A1 Verfahren zur Herstellung von ggfs. substituierten Biphenyl-carbonsäurechlorid Process for the preparation of optionally. Substituted biphenyl-carboxylic acid chloride |
| 05/22/2002 | EP1207148A1 Process for preparing phenyl acetic acid derivatives |
| 05/22/2002 | EP1206481A2 Birch bark processing and the isolation of natural products from birch bark |
| 05/22/2002 | EP1206435A1 Process for the recovery of organic acids |
| 05/22/2002 | EP1206434A1 Vapor phase carbonylation process using promoted iridium catalyst |
| 05/22/2002 | EP1206433A1 Vapor phase carbonylation process using promoted iridium catalyst |
| 05/22/2002 | EP1206432A1 Oxidative carbonylation of toluene catalyzed by rhodium and iridium |
| 05/22/2002 | EP1206431A1 Non-corrosive catalytic hydrolysis of fatty acid esters to fatty acids |
| 05/22/2002 | EP1084128A4 Powdery, solid rare earth carboxylates with improved solubility |
| 05/22/2002 | EP0968169B1 Method for isolating 3-[2-chloro-4-(trifluoromethyl)-phenoxy]-benzoic acid |
| 05/22/2002 | EP0902787B1 A catalyzed process for producing metal carboxylates for use as animal feed supplements |
| 05/22/2002 | CN1349992A Method for preparing 1,2,4,5-pyromellitic anhydride |
| 05/22/2002 | CN1349971A Olfination method of itaconic acid and succinic acid derivatives |
| 05/22/2002 | CN1349970A Prepn of 2-(3-benzoylphenyl) propionic acid enantiomer |
| 05/22/2002 | CN1349969A Prepn of 3-chloropropionyl chloride |
| 05/22/2002 | CN1349968A Ligand Rh catalyst for quaternarized copolymer and its prepn |
| 05/22/2002 | CN1349967A Copolymer ligand Rh catalyst for methanol carbonylation to synthesize acetic acid and ethyl anhydride and its prepn |
| 05/22/2002 | CN1349966A Extraction and purification process of general rhubarb anthraquinone and its application in preparing kidney hypofuction-treating medicine |
| 05/22/2002 | CN1349855A Bimetallic catalyst for homogeneous methanol carbonylation and its prepn |
| 05/22/2002 | CN1085195C Process for preparing free 'alpha'-hydroxy acids from ammonium salts thereof |
| 05/22/2002 | CN1085194C Process for producing acrylic acid |
| 05/21/2002 | US6392093 Using oxidation catalyst |
| 05/21/2002 | US6392092 Oxidation of 4-hydroxy-4-methyl-2-pentanone; batch processing; traumatic therapy; nitrogen retention and muscle building in humans; immune response |
| 05/21/2002 | US6392091 Process of purifying and producing high purity aromatic polycarboxylic acids |
| 05/21/2002 | US6392090 Reacting phenol with alkali metal compound; salt formation; reacting with carbon dioxide |
| 05/21/2002 | US6392086 Intermediates and process for producing fluorine-containing amino acid compound by using the same |
| 05/21/2002 | US6392084 Method for production of organic fluorine compound |
| 05/21/2002 | US6392075 Free-flowing; stability |
| 05/21/2002 | US6392074 Method for preparing sebacic acid and octanol-2 |
| 05/21/2002 | US6392073 Intermediates and processes for the preparation of optically active octanoic acid derivatives |
| 05/21/2002 | US6392070 Supercritical fluid extraction |
| 05/21/2002 | US6391823 Separation process |
| 05/21/2002 | US6391598 Preparation of fatty acid metal salts and enzymes from ruminal fluid |
| 05/21/2002 | CA2022694C Coating compositions |
| 05/16/2002 | WO2002038527A1 Method for producing poly- or monomethylol alkanoic acids |
| 05/16/2002 | WO2002038526A1 Method for producing acetic acid |
| 05/16/2002 | WO2001046093A3 Process for producing a fluoride compound |
| 05/16/2002 | US20020058836 Promoted multi-metal oxide catalyst |
| 05/16/2002 | US20020058835 Halogen promoted multi-metal oxide catalyst |
| 05/16/2002 | US20020058826 Process for the synthesis of 2-carboxyanthraquinone by oxidation of 2-ethylanthraquinone with nitric acid |
| 05/16/2002 | US20020058704 Multicomponent compositions containing chitosan and methods of preparing same |
| 05/16/2002 | US20020058703 Finely crystalline calcium formate and additives are subjected to a compression and, if required, the compressed material is subjected to a comminution or fractionation or a combination of the two to set the particle size |
| 05/16/2002 | US20020058582 Method for reactivating catalyst for methacrylic acid preparation |
| 05/16/2002 | US20020058218 Method and apparatus for preparing grains of silver salt of organic acid and method for producing thermally processed image recording material |
| 05/15/2002 | EP1205466A1 Process for the synthesis of carboxy-2-anthraquinone by nitric oxidation of ethyl-2-anthraquinone |
| 05/15/2002 | EP1205465A1 Process for the preparation of optionally substituted biphenyl carboxylic acid chlorides |
| 05/15/2002 | EP1205464A2 Production method of 2-cyclohexyl-2-hydroxy-2-phenylacetic acid intermediate therefor and production method thereof |
| 05/15/2002 | EP1205462A1 Method for production of oxygen-containing aromatic compound |
| 05/15/2002 | EP1205241A1 Catalytic composition, method for manufacturing thereof and method for the purification of terephthalic acid |
| 05/15/2002 | EP1205238A2 Liquid phase oxidation reactors |
| 05/15/2002 | EP1204637A1 Process for the preparation of isotretinoin |
| 05/15/2002 | EP1204630A1 Branched, substantially unsaturated ester oils |
| 05/15/2002 | EP1204629A1 Processes for preparing oxygenates |
| 05/15/2002 | EP1204475A1 Immobilized photocatalyst |
| 05/15/2002 | EP1164122A9 Process for producing fluorine compound through liquid-phase fluorination |
| 05/15/2002 | EP1007206A4 Phosphorus/vanadium catalyst preparation |
| 05/15/2002 | CN1349488A Catalyst for production of acetic acid or acetic acid and ethyl acetate, process for production of same |
| 05/15/2002 | CN1084726C Process for producing high purity terephthalic acid |
| 05/14/2002 | US6388141 Hydroformylation with unmodified rhodium catalysts in supercritical carbon dioxide |
| 05/14/2002 | US6388129 Oxydehydrogenation; propene chemical intermediate |
| 05/14/2002 | US6387842 Solid catalyst for carbonylation of petroleum feedstocks |
| 05/14/2002 | US6387841 Oxidation catalyst support |
| 05/14/2002 | US6387280 Process for reducing the amount of nitrification-inhibiting sulfur compounds |
| 05/14/2002 | CA2062142C Process for the recovery of adipic acid |
| 05/10/2002 | WO2002036796A1 Method for obtaining 12-hydroxystearic acid |
| 05/10/2002 | WO2001083104A3 Catalysts for the oxidation of unsaturated aldehydes to produce carboxylic acids, methods of making and using the same |
| 05/10/2002 | WO2001051445A3 Co-production of carboxylic acids and/or their esters |
| 05/10/2002 | WO2001024924A8 Catalyst for acetic acid production, process for producing the same, and process for producing acetic acid with the same |
| 05/09/2002 | US20020055155 Process for the recovery of organic acids |
| 05/08/2002 | EP1203003A1 Process for purifying 2-keto-l-gulonic acid |
| 05/08/2002 | EP1202996A1 Titanium derived compounds, preparation and use thereof |
| 05/08/2002 | EP1202785A1 Column chromatography separation method |
| 05/08/2002 | DE10054480A1 Verfahren zur Gewinnung von 12-Hydroxystearinsäure Process for obtaining 12-hydroxystearic acid |
| 05/08/2002 | CN1348437A A method of preparing cyclohexanecaraboxylic acid using [2+4] Diels-Alder reaction |
| 05/08/2002 | CN1348435A Method for separating and purifying carboxylic acid derived from the direct oxidation of a hydrocarbon |
| 05/08/2002 | CN1347866A Recirculating process |
| 05/08/2002 | CN1347861A Process for producing carbonyl & hydroxy compound |
| 05/08/2002 | CN1347756A Cocatalyzing multi-metallic oxide catalyst |
| 05/08/2002 | CN1347755A Multi-metallic oxide catalyst accelerated with Zn and/or Ga |
| 05/08/2002 | CN1084323C Process for carbonylation of butadiene |
| 05/07/2002 | US6384276 Process for the preparation of lactic acid by evaporative crystallisation |
| 05/07/2002 | US6384274 Vapor phase two step catalytic oxidation of propylene in the presence of oxygen, diluent inert gasses and water vapor to produce acrolein which then oxidized to form acrylic acid with increased efficiency |
| 05/07/2002 | US6384273 Method for orthometalation of a carbocyclic aromatic derivative bearing at least an electron donor group |
| 05/07/2002 | US6384268 Treatment of formaldehyde-containing mixtures |
| 05/07/2002 | US6384253 Composite materials |
| 05/07/2002 | US6384242 Geranic acid derivatives |
| 05/07/2002 | US6384241 Purified salt of β-hydroxyethoxy acetic acid, purified 2-p-dioxanone, and manufacturing method therefor |
| 05/07/2002 | US6384233 Process for preparing 1,5-diaryl-3-substituted pyrazoles |
| 05/07/2002 | US6383978 Promoted multi-metal oxide catalyst |
| 05/07/2002 | US6383977 Catalysts for producing acetic acid from ethane oxidation, processes of making the same and methods of using same |