| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 07/19/2001 | WO2001051447A2 Co-production of carboxylic acids and/or their esters |
| 07/19/2001 | WO2001051446A2 Co-production of carboxylic acids and/or their esters |
| 07/19/2001 | WO2001051445A2 Co-production of carboxylic acids and/or their esters |
| 07/19/2001 | WO2001051444A2 Co-production of carboxylic acids and/or their esters |
| 07/19/2001 | WO2001051443A2 Method for increasing oxidation reactor production capacity |
| 07/19/2001 | WO2001051442A2 Improved process for producing carboxylic acids |
| 07/19/2001 | WO2001051434A1 Reaction of carbonyl compounds with organometallic reagents |
| 07/19/2001 | WO2001051200A2 Method for catalytic gas phase oxidation to produce phthalic acid anhydride |
| 07/19/2001 | WO2000047658A8 Process for recycling polyesters |
| 07/19/2001 | US20010008948 Preparing salts of aliphatic carboxylic acid compound via contacting primary alcohol with a catalyst in alkaline medium; animal feeds |
| 07/19/2001 | US20010008623 Mixed oxide catalyst |
| 07/19/2001 | DE10001317A1 Reaction of carbonyl compound with organometallic reagent, e.g. preparation of biotin intermediate or 4-(4-(trans-4-pentylcyclohexyl) -1-cyclohexen-1-yl)-1-trifluoromethoxybenzene, uses mini- or microreactor |
| 07/19/2001 | CA2397296A1 Process and intermediates for preparing a cyclohexylnitrile |
| 07/19/2001 | CA2397248A1 Synthesis and use of dimethyl-1,5-naphthalenedicarboxylates and intermediates therefrom |
| 07/19/2001 | CA2396574A1 Methods for manufacturing betulinic acid |
| 07/18/2001 | EP1116709A1 Method for producing acrylic acid |
| 07/18/2001 | EP1115687A1 5,6-dihydronaphthalenyl derivatives having retinoid-like activity |
| 07/18/2001 | EP1115686A1 Method for manufacturing alkali metal or alkaline-earth metal formate |
| 07/18/2001 | EP1115685A1 Method of producing an aliphatic diacid and nitrous oxide |
| 07/18/2001 | EP1115684A1 Process for the manufacture of quaternary carboxylic acids |
| 07/18/2001 | EP1115683A1 Method for pressureless production of alpha,alpha-dimethylphenyl acetic acid from alpha,alpha-dimethyl benzyl cyanide |
| 07/18/2001 | CN1304336A Method for producing shell catalysts for catalytic vapor-phase oxidation of aromatic hydrocarbons and catalysts obtained in such manner |
| 07/18/2001 | CN1303844A Method for preparing chiral dichlorochrysanthemic acid |
| 07/18/2001 | CN1303815A Vanadium-phosphorus-oxygen process for synthetic catalyst |
| 07/18/2001 | CN1068579C Method for separating (methyl) propenoic acid from low-grade aldehyde including mixture by using rectification method |
| 07/18/2001 | CN1068578C Process for separation by rectification of unsaturated carboxylic acids from solvents |
| 07/18/2001 | CN1068577C Industrial process to manufacture aromatic carboxylic acids |
| 07/18/2001 | CN1068576C Process for carbonylation of alkyl alcohols and/or reactive derivatives thereof |
| 07/17/2001 | US6262313 Thermal conversion of fatty acid salts to ketones |
| 07/17/2001 | US6262300 Reacting the corresponding lactone with phospgene in presence of urea |
| 07/17/2001 | US6262001 Unsulfurized, alkali meta-free, additive for lubricating oils |
| 07/17/2001 | US6261988 Drying, roasting; oxidation catalyst for hydrocarbons |
| 07/17/2001 | US6261731 Containing as charge control agent a trivalent chromium salt of salicylic acid/derivatives prepared by adding solution of alkali metal salt of salicylic acid/derivatives to chromium (iii) halide; electrophotography, electrostatics |
| 07/17/2001 | CA2043108C Method for producing ibuprofen |
| 07/12/2001 | WO2001049648A1 Preparing method of 2-phenylalkanoic acid derivatives |
| 07/12/2001 | WO2001049647A1 Process for the recovery of purified terephthalic acid (pta) |
| 07/12/2001 | WO2001049646A1 Method for producing diamine and carboxylic diacid salt |
| 07/12/2001 | WO2001049645A1 Method and device for cooling a hot reactor gas, for example in the production of phthalic anhydride |
| 07/12/2001 | WO2001049644A1 Process for the carbonylation of formaldehyde |
| 07/12/2001 | WO2001049642A1 Method for producing diarylketones and acid halides |
| 07/12/2001 | US20010007912 Introducing methyl acetate and/or dimethyl ether to a carbonylation reactor containing rhodium catalyst, alkyl iodide cocatalyst, iodide salt as promoter, contacting with carbon monoxide, introducing formic acid or methyl formate |
| 07/12/2001 | US20010007910 Catalytic liquid phase oxidation of para-xylene in acetic acid solvent including water in presence of oxygen, where the uptake of oxygen is limited to less than 50% in first zone, then feeding the reaction product to second oxidation zone |
| 07/12/2001 | US20010007908 Acylation of butilin to form butilin-3-acetate, alcoholyzing the intermediate to form second intermediate, oxidizing the second intermediate to form a betulinic acid-3-acetate protected compound, deprotecting to form betulinic acid |
| 07/12/2001 | DE10000584A1 Verfahren zur katalytischen Gasphasenoxidation zu Maleinsäureanhydrid A process for the catalytic gas phase oxidation to maleic anhydride |
| 07/12/2001 | CA2395533A1 Process for the recovery of purified terephthalic acid (pta) |
| 07/11/2001 | EP1114814A2 Method for the reduction of iodine compounds from a process stream |
| 07/11/2001 | EP1114813A2 Method of stabilizing N-oxyl compounds in vinyl compounds |
| 07/11/2001 | EP1114812A1 Processes for the preparation of fluorinated benzoic acids |
| 07/11/2001 | EP1114811A1 Process for the production of acetic acid |
| 07/11/2001 | EP1114704A2 Waterproofing/preservative compositions |
| 07/11/2001 | EP1114119A1 Vinyl monomer polymerization inhibition using hindered hydroxylamines |
| 07/11/2001 | EP1114023A1 Process for preparing carboxylic acids |
| 07/11/2001 | EP1114019A1 Method for separating and purifying carboxylic acid derived from the direct oxidation of a hydrocarbon |
| 07/11/2001 | EP1114018A1 Method for crystallising carboxylic acid |
| 07/11/2001 | EP1114016A2 Process for making aromatic aldehydes |
| 07/11/2001 | EP1113877A1 Wells-dawson type heteropolyacids, their preparation and use as oxidation catalysts |
| 07/11/2001 | EP0912484B1 Method for purifying adipic acid in water |
| 07/11/2001 | EP0876322B1 Improved metal-ligand complex catalyzed processes |
| 07/11/2001 | EP0827493B1 Preparation of aralkanoic acids and esters using mixed ligand catalyst |
| 07/11/2001 | CN1303385A Stable concentrated rare earth carboxylate liquids |
| 07/11/2001 | CN1303363A Method for recovering fluorinated alkanoic acids from waste water |
| 07/11/2001 | CN1303356A Method for recovering fluorinated alkanoic aoids from waste water |
| 07/11/2001 | CN1303320A Catalyst and process for oxidation of ethane and/or ethylene |
| 07/11/2001 | CN1302794A Aromatic diamine/aromatic dicarboxylate and method for preparing same |
| 07/11/2001 | CN1302792A Method of reducing iodide in industrial product stream |
| 07/11/2001 | CN1302688A Method and preparation of modified carrier, complex oxide catalyst and acrylic acid |
| 07/11/2001 | CN1134403C Method for recovering fluorinated alkanoic acid from waste water |
| 07/11/2001 | CN1068305C Process for preparing S(-)-2-(4-isobutyl-phenyl) with antimer of purity more than 90% |
| 07/11/2001 | CN1068304C Process for refining methacylic acid |
| 07/11/2001 | CN1068303C Improved process for purification of aromatic polycarboxylic acids |
| 07/11/2001 | CN1068302C Method for preparing carboxylic acids by carbonylation in presence of iridium |
| 07/11/2001 | CN1068236C Desorption process and apparatus |
| 07/10/2001 | US6258992 Using metal oxide oxidation catalyst |
| 07/10/2001 | US6258981 Forming adipic acid from cyclohexane |
| 07/10/2001 | US6258980 Production of metal salts |
| 07/10/2001 | US6258975 Process for producing optically active 2-hydroxy-4-arylbutyric acid or its ester |
| 07/10/2001 | CA2017583C Process for the continuous preparation of glyoxylic acid |
| 07/05/2001 | WO2001047857A1 Preparation method of methacrylic acid |
| 07/05/2001 | WO2001047856A1 Process for the recovery and recycle of d-tartaric acid |
| 07/05/2001 | WO2001047837A2 Carbonylation process |
| 07/05/2001 | US20010007043 Continuous recovery of (meth)acrylic acid |
| 07/05/2001 | US20010006102 Shell and tube type heat exchanger |
| 07/05/2001 | DE19963869A1 Verfahren zur Kühlung eines heißen Reaktionsgases Method for cooling a hot reaction gas |
| 07/05/2001 | DE19963563A1 Preparation of 4'-trifluoromethylbiphenyl-2-carboxylic acid comprises reacting an o-carboxyphenyl boronic acid (anhydride) with a trifluoromethylbenzene derivative |
| 07/05/2001 | DE19963562A1 Verfahren zur Herstellung von 4'-Trifluormethyl-2-methylbiphenyl und 4'-Trifluormethylbiphenyl-2-carbonsäure aus o-Tolylmetallaten Process for the preparation of 4'-trifluoromethyl-2-methylbiphenyl and 4'-trifluoromethylbiphenyl-2-carboxylic acid from o-Tolylmetallaten |
| 07/05/2001 | DE19958758A1 Production of o-chloromethylbenzoyl chlorides from benzo-condensed lactone, useful as intermediates for e.g. pesticides, uses boron compound and quaternary ammonium compound as catalysts |
| 07/05/2001 | CA2395768A1 Carbonylation process |
| 07/04/2001 | EP1113238A2 Shell and tube type heat exchanger |
| 07/04/2001 | EP1112991A2 Process for the preparation of 4'-trifluoromethyl-2-methylbiphenyl and 4'-trifluoromethylbiphenyl-2-carboxylic acid from o-tolylmetallates |
| 07/04/2001 | EP1112777A1 Method for production of oxygen-containing organic compound |
| 07/04/2001 | EP1112776A1 Pd-Re catalyst for hydrogenating dicarboxylic acids |
| 07/04/2001 | EP1112246A1 Microbial process for the preparation of acetic acid as well as solvents for its extraction from the fermentation broth |
| 07/04/2001 | EP1112244A1 Process for making aromatic aldehydes using ionic liquids |
| 07/04/2001 | EP0748326B1 Optically active diphosphines and method for preparing same by resolution of the racemic mixture |
| 07/04/2001 | CN1302294A Method for producing phthalic anhydride by means of catalytic vapor-phase oxidation of o-xylol/naphthalene mixtures |
| 07/04/2001 | CN1302284A Method for producing hexanediol-1,6 |
| 07/04/2001 | CN1301690A Method for stabilizing N-oxyl compound in vinyl compound |
| 07/04/2001 | CN1301689A Device and method for producing (methyl) propenoic acid |
| 07/04/2001 | CN1067977C Process for productioj of terephthalic acid |
| 07/04/2001 | CN1067975C Catalyst recovery in carbonylation of chlorobutenes to pentenoyl chloride |