| Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144) |
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| 11/07/2001 | CN1320592A Process and equipment for preparing sodium diacetate |
| 11/07/2001 | CN1074407C Recovery of highly fluorinated carboxylic acids from gaseous phase |
| 11/07/2001 | CN1074406C Process for producing carboxylic acids by carbonylation of olefines |
| 11/06/2001 | US6313364 Chemical intermediate used to prepare enzyme inhibitor for aids treatment |
| 11/06/2001 | US6313340 Process for the preparation of methyl p-vinylbenzoate and p-vinyl benzoic acid, and their use in latex compositions |
| 11/06/2001 | US6313337 Method of making benzoyl halides and nitriles |
| 11/06/2001 | US6313330 Processes of selectively separating and purifying eicosapentaenoic and docoshexaenoic acids or their esters |
| 11/06/2001 | US6313170 For therapy of nutritional iron-deficiency anemia, blood loss anemia and hemolytic anemia in humans |
| 11/06/2001 | US6312582 Pre-acidifying an aqueous solution of an alkali metal salt of an aromatic polycarboxylic acid to bring the ph into a sub-precipitation ph range; acidifying solution in an anode compartment of an electrolysis cell to precipitate the acid |
| 11/01/2001 | WO2001081290A2 Methods for preparing cla isomers |
| 11/01/2001 | WO2001081289A1 Improved process for the preparation of 3,4-dihydroxybutanoic acid and salts and lactones derived therefrom |
| 11/01/2001 | WO2001030736A3 Aromatic di-keto derivatives as glucose-6-phosphate translocase inhibitors |
| 11/01/2001 | US20010037025 Benzopyran, benzothiopyran or benzoquinone derivatives are useful in the treatment of ailments and disorders where a reduction of blood glucose is benefical, such as diabetes |
| 11/01/2001 | CA2523096A1 Improved process for the preparation of 3,4-dihydroxybutanoic acid |
| 10/31/2001 | EP1149822A1 Ferrous salt of D-gluconic acid dihydrate substantially free of Ba2+ and SO4 2- ions |
| 10/31/2001 | EP1149821A1 Process for drying an alkali metal aryloxide |
| 10/31/2001 | EP1014807B1 Impregnated salts, a method for producing said salts, and the use of the same |
| 10/31/2001 | EP0912485B1 Pentenoic acid hydroxycarbonylation method |
| 10/31/2001 | EP0898554B1 Process for the manufacture of surfactants containing branch chain alkyl groups |
| 10/31/2001 | EP0894082B1 Synthesis of solid, powdery rare earth carboxylates by a precipitation method |
| 10/31/2001 | EP0889871B1 Method for preparing acetic acid and/or methyl acetate by isomerisation and carbonylation |
| 10/31/2001 | EP0782399B1 Hydroxycitric acid concentrate and method of making |
| 10/31/2001 | DE10010769C1 Nichtkatalytisches Verfahren zur Herstellung aliphatischer Carbonsäuren durch Oxidation in mindestens zwei Stufen von Aldehyden Non-catalytic process for the preparation of aliphatic carboxylic acids by oxidation in at least two stages of aldehydes |
| 10/31/2001 | CN1320111A Method for preparing p-hydroxymandelic compounds optically substituted |
| 10/31/2001 | CN1319595A Method for producing optically active 3-hydroxy-gamna-butyrolactone |
| 10/31/2001 | CN1319584A Process for preparing 3,5-di-tert-butyl salicylic acid |
| 10/31/2001 | CN1319583A Synthesis process for trans-4-isopropyl hexahydrobenzoic acid |
| 10/31/2001 | CN1319451A Catalyst for oxidizing reaction |
| 10/31/2001 | CN1073981C Method for purifying adipic acid water |
| 10/31/2001 | CN1073980C Iridium-catalysed carbonylation process for prodn. |
| 10/30/2001 | US6310241 Also oxidizing alpha,beta-unsaturated aldehydes to form unsaturated acids and oxidizing olefins to for acids. |
| 10/30/2001 | US6310240 Vapor phase oxidation of acrolein to acrylic acid |
| 10/30/2001 | US6310239 From alkali weight reduction waste water; separating dialkali terephthalic acid from impurities by adsorbing the reduction waste water onto a filling material; neutralizing to produce terephthalic acid; crystallizing to enlarge particle size |
| 10/30/2001 | US6310219 Recovering a hydrocarbon left unreacted in a reactor, and then returning the hydrocarbon thus recovered to the reactor where it is then subjected to catalytic oxidation under specific reaction conditions. |
| 10/30/2001 | US6310001 Substantially light-insensitive thermographic recording materials with improved stability |
| 10/25/2001 | WO2001079148A2 Method of making benzoyl halides and nitriles |
| 10/25/2001 | WO2001041924A3 Oxidative reactions using membranes that selectively conduct oxygen |
| 10/25/2001 | WO2001023061A3 Recovery process for volatile compounds from solids in aqueous solution |
| 10/25/2001 | WO2001016082A3 Purification of aromatic diacids |
| 10/25/2001 | WO2001016081A3 A process for improving yields in a disproportionation reaction (high yield henkel) |
| 10/25/2001 | US20010034461 Dimerizating alpha-olefins forming branched-chain hydrophobic feedstocks for detersive surfactants |
| 10/25/2001 | US20010034459 Process for preparing 4'-trifluoromethyl-2-methylbiphenyl and 4'-trifluoromethyl-biphenyl-2-carboxylic acid from o-tolylmetallates |
| 10/24/2001 | EP1148042A2 Method for producing optically and chemically pure (R)- and (S)-hydroxycarboxylic acids |
| 10/24/2001 | EP1147167A1 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 |
| 10/24/2001 | EP1147073A1 Method for expoxidizing or dihydroxilating unsaturated fatty acids |
| 10/24/2001 | EP0986434B1 Process for producing a vanadium phosphorus oxide catalyst |
| 10/24/2001 | EP0883614B1 Additives usable in preparation of alkenyl succinic anhydride |
| 10/24/2001 | CN1319084A Process for producing terephthalic acid and/or dimethyl terephthalate |
| 10/24/2001 | CN1319083A 5,6-Dihydronaphthalenyl derivatives haivng retionoid-like activity |
| 10/24/2001 | CN1319082A Process for the manufacture of quaternary carboxylic acids |
| 10/24/2001 | CN1319081A Method for pressureless production of alpha, alpha-dimethylphenyl acetic acid from alpha, alpha-dimethyl benzyl cyanide |
| 10/24/2001 | CN1318543A Pre-rectification treatment of crude chlorobenzoic anhydride and chlorophthalic acid product |
| 10/24/2001 | CN1318537A Preparation of S-Ibuprofen |
| 10/24/2001 | CN1318533A Production method and refinishing equipment of polymerizable matter |
| 10/24/2001 | CN1073544C Liquid phthalic anhydride recovery process uisng rectifying tower |
| 10/24/2001 | CN1073543C Process for recovery of carbonylation product |
| 10/23/2001 | US6307100 Catalytic oxidation of hydrocarbons |
| 10/23/2001 | US6307099 Production of terephthalic acid |
| 10/23/2001 | US6307094 Process for substituted 3-hydroxybutyrate esters |
| 10/23/2001 | US6307093 Organic compounds and processes for their manufacture |
| 10/23/2001 | US6307080 Water-soluble zinc pyruvates or their hydrates, method for the product ion thereof and their use |
| 10/23/2001 | US6307072 Oxidizing an olefin, an alcohol, or an aldehyde in the presence of a catalyst formed of a polyoxo metalate substituted with a divalent transition metal cation. |
| 10/23/2001 | US6307011 Recovering polar organic solvent from recycle mixture |
| 10/23/2001 | US6306571 Photothermographic recording material coatable from an aqueous medium |
| 10/23/2001 | CA2222365C Process for treating mixtures arising from oxidation of cyclohexane |
| 10/23/2001 | CA2173709C Cristallyed bead made from a supercooled product, and process for obtaining same |
| 10/23/2001 | CA2004471C Direct fluorination process for making perfluorinated organic substances |
| 10/18/2001 | WO2001077059A2 Carbonylation of lower alkyl alcohols and their derivatives using metals supported on carbonized polysulfonated divinylbenzene-styrene copolymers |
| 10/18/2001 | WO2001077056A1 Method for the purification of a crude acrylic acid melt |
| 10/18/2001 | WO2001077055A2 Specific salt forms of triphenylethylene derivatives as selective estrogen receptor modulators |
| 10/18/2001 | WO2001077054A2 Process and catalyst for dehydrogenating primary alcohols to make carboxylic acid salts |
| 10/18/2001 | WO2001077053A2 Carbonylation catalyst supported on a carbonized polysulfonated divinylbenzene-styrene copolymer |
| 10/18/2001 | WO2001077047A1 Method for preparing a hydrofluoroalkane and catalyst |
| 10/18/2001 | WO2001032594B1 Methanol plant retrofit for manufacture of acetic acid |
| 10/18/2001 | US20010031852 Synthesis and use of dimethyl 1,5-naphthalenedicarboxylates and intermediates therefrom |
| 10/18/2001 | US20010030120 Distilaltion; tray on support ring |
| 10/18/2001 | DE10017903A1 Purification of acrylic acid, used as acid, salt or ester in polymer production, involves cooling crude melt in presence of water and washing crystal suspension with purified crystal melt in column with forced transport of crystals |
| 10/18/2001 | CA2403263A1 Specific salt forms of triphenylethylene derivatives as selective estrogen receptor modulators |
| 10/17/2001 | EP1144382A2 Process for preparing 1,5-diaryl-3-substituted pyrazoles |
| 10/17/2001 | EP1144354A1 Anhydride stabilization |
| 10/17/2001 | EP1144353A2 Method for stabilizing chemical compounds containing at least one ethylenically unsaturated bond in order to prevent undesirable radical polymerization |
| 10/17/2001 | EP1144352A2 Method for producing acrolein by heterogeneous catalytic gas-phase partial oxidation of propene |
| 10/17/2001 | CN1318047A Process for preparing carboxylic acids |
| 10/17/2001 | CN1317478A Pure beta-hydroxyethoxyacetic acid salt, pure 2-p-dioxaneone, and prodn. method thereof |
| 10/17/2001 | CN1317477A Process for preparing high-purity alpha-linolenic acid |
| 10/17/2001 | CN1317476A Prodn. process of propenoic acid |
| 10/17/2001 | CN1317369A Formed catalyst |
| 10/17/2001 | CN1073080C Process for mfg. mixed anhydrides |
| 10/17/2001 | CN1073079C Indium catalysed carbonylation process for prodn. of carboxylic acid |
| 10/17/2001 | CN1073078C Process for producing carboxylic acid |
| 10/17/2001 | CN1073064C Carbonylation of olefins |
| 10/17/2001 | CN1073051C Method for mfg. vanadium-phosphorus oxide |
| 10/17/2001 | CA2344004A1 Process for the preparation of optically and chemically highly pure (r)- or (s)-a-hydroxycarboxylic acids |
| 10/16/2001 | US6303836 Reacting cyclododecene with propionic acid or a derivatives in the presence of a free-radical initiator and hydrogenating the 2-cyclododecylpropionic acid which is formed, or the corresponding derivative |
| 10/16/2001 | US6303827 Process for making aromatic aldehydes |
| 10/16/2001 | US6303813 Rhodium/inorganic iodide catalyst system for methanol carbonylation process with improved impurity profile |
| 10/16/2001 | US6303808 Direct synthesis of tin (II) carboxylates and tin(IV) carboxylates from elemental tin or tin oxides |
| 10/16/2001 | CA2015470C Fluorinated arachidonic acid derivatives |
| 10/11/2001 | WO2001074828A1 Water soluble chiral diphosphines |
| 10/11/2001 | WO2001074487A1 Method of separating imide compound |