Patents
Patents for C07C 53 - Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen (9,125)
11/2001
11/28/2001CN1324341A Carbonylation of methanol in the presence of a rhodium/iridium/iodide ion catalytic system
11/28/2001CN1324340A Process and the manufacture of alpha, alpha-branched carboxylic acids
11/28/2001CN1323778A Prepn. of trichloro-acetic chloride
11/28/2001CN1134397C Carbonylation of methanol in the presence of a rhodium/iridium/iodide ion catalytic system
11/27/2001US6323364 Reacting methanol with carbon monoxide in a liquid reaction medium containing rhodium, water, acetic acid, soluble salt, iodide as co-promoter, methyl acetate, methyl iodide; recovering acetic acid
11/22/2001WO2001087815A2 Process for the production of carboxylic acids
11/22/2001US20010044550 Process for the branching of saturated and/or unsaturated fatty acids and/or alkyl esters thereof
11/22/2001US20010043895 Method for the preparation of rhodium containing solutions
11/21/2001EP1155677A2 Methods and compositions for inhibiting free radical polymerization in skin and hair
11/21/2001EP1155138A2 Method for preparing optically active 3,3,3-trifluoromethyl-2-alkyl propionic acid derivatives
11/21/2001EP1154845A1 Use of ethoxylated glyceride mixtures as emulsifiers for producing paraffin hydrocarbon emulsions
11/21/2001EP0915821B1 Selective preparation process of acetic acid and catalysts therefor
11/21/2001CN1322524A Use of pentanoate derivant
11/20/2001US6320080 Dimerizing alpha olefins, isomerizing, reacting with carbon monoxide and hydrogen under oxo conditions using cobalt-carbonyl-phosphine catalyst, recovering branched alcohols, oxidizing, recovering branched alkyl carboxylates
11/20/2001US6320075 Oxidizing in gas phase saturated and/or unsaturated hydrocarbon with oxygen-containing gas and water vapor in presence of catalyst, reducing acid concentration in recirculated portion of outlet gas using countercurrent scrub
11/20/2001US6319952 Exposing the membrane to branched fatty acids or their salts, esters or amides which improve and enable the penetration and absorption of active ingredients through biomembranes
11/20/2001CA2089850C Catalyst for dehalogenation of alpha-halogenated carboxylic acids and its use for the purification of monochloracetic acid
11/15/2001WO2001085681A2 3-methoxybenzyl thiourea derivatives and improved lipid compositions containing same
11/15/2001WO2001085330A2 Tubular reactor with gas injector for gas phase catalytic reactions
11/15/2001DE10023256A1 (+)-und(-)-2-Cyclododecylpropanol und (+)-und(-)-2-Cyclododecylpropionsäure sowie deren Herstellung und Verwendung (+) - And (-) - 2-cyclododecylpropanol and (+) - and (-) - 2-cyclododecylpropionic as well as their preparation and use
11/14/2001EP1153911A1 (+)- and (-)-2-cyclododecylpropanol and (+)- and (-)-2-cyclododecylpropionic acid and the preparation and use of same
11/14/2001EP1153009A1 Method for carbonylation of lower aliphatic alcohols
11/14/2001EP1153008A1 Method for carbonylation of lower alkyl alcohols
11/14/2001EP1153007A1 Iridium catalyst for carbonylation of lower aliphatic alcohols
11/14/2001EP0891318B1 Azeotropic distillation process
11/14/2001CN1074761C Process for separating and concentrating formic acid with phosphorus-contained extractant
11/13/2001US6316643 Unsaturated fatty acids or derivatives is contacted with a salt or mixture of salts in liquid form to obtain branched fatty acids and oligomerized fatty acids
11/08/2001WO2001083103A2 Catalysts for the oxidation of ethane to acetic acid and ethylene, methods of making and using the same
11/07/2001CN1074407C Recovery of highly fluorinated carboxylic acids from gaseous phase
11/07/2001CN1074406C Process for producing carboxylic acids by carbonylation of olefines
10/2001
10/31/2001EP0894082B1 Synthesis of solid, powdery rare earth carboxylates by a precipitation method
10/31/2001EP0889871B1 Method for preparing acetic acid and/or methyl acetate by isomerisation and carbonylation
10/31/2001DE10010769C1 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
10/31/2001CN1319579A Use of 1,1-di(4-chlorophenyl-2,2,2-trichloroalcohol adduct
10/31/2001CN1319578A Use of 1,1-di (4-chlorophenyl)-2,2,2-trichloroalcohol adduct
10/31/2001CN1073980C Iridium-catalysed carbonylation process for prodn.
10/25/2001US20010034464 Reduction of carbonyl compounds by a silane in the presence of a zinc catalyst
10/25/2001US20010034461 Dimerizating alpha-olefins forming branched-chain hydrophobic feedstocks for detersive surfactants
10/24/2001EP0897417B1 Aqueous potassium formate/ potassium carbonate solution
10/24/2001CN1319082A Process for the manufacture of quaternary carboxylic acids
10/24/2001CN1073543C Process for recovery of carbonylation product
10/23/2001US6307093 Organic compounds and processes for their manufacture
10/23/2001US6307044 Process for the preparation of macrocyclic metalloprotease inhibitors
10/23/2001US6307011 Recovering polar organic solvent from recycle mixture
10/23/2001US6306366 Microparticles that contain gas, galactose and a saturated fatty acid
10/23/2001CA2173709C Cristallyed bead made from a supercooled product, and process for obtaining same
10/23/2001CA2004471C Direct fluorination process for making perfluorinated organic substances
10/18/2001WO2001077059A2 Carbonylation of lower alkyl alcohols and their derivatives using metals supported on carbonized polysulfonated divinylbenzene-styrene copolymers
10/18/2001WO2001077053A2 Carbonylation catalyst supported on a carbonized polysulfonated divinylbenzene-styrene copolymer
10/18/2001WO2001077047A1 Method for preparing a hydrofluoroalkane and catalyst
10/18/2001WO2001032594B1 Methanol plant retrofit for manufacture of acetic acid
10/17/2001EP0935486B1 Aqueous film-forming foam compositions
10/17/2001EP0641330B1 Gaba and l-glutamic acid analogs for antiseizure treatment
10/17/2001CN1318047A Process for preparing carboxylic acids
10/17/2001CN1073079C Indium catalysed carbonylation process for prodn. of carboxylic acid
10/17/2001CN1073064C Carbonylation of olefins
10/16/2001US6303813 Rhodium/inorganic iodide catalyst system for methanol carbonylation process with improved impurity profile
10/16/2001US6303808 Direct synthesis of tin (II) carboxylates and tin(IV) carboxylates from elemental tin or tin oxides
10/11/2001WO2001074486A1 Catalytic composition for carbonylation including iridium and pyridine polymers
10/10/2001EP1140815A1 Novel thio-aminotetralin compounds useful in pain management
10/10/2001EP1140790A1 Novel oxo-aminotetralin compounds useful in pain management
10/10/2001EP1140767A1 Method for preparing formic acid
10/10/2001EP1140763A1 Process control method in acetic acid production
10/10/2001EP1140349A1 Reactor for carrying out gas-liquid, liquid-liquid or gas-liquid-solid chemical reactions
10/10/2001CN1316987A Microbial processf or preparation of acetic acid as well as solvent for its extraction from fermentation liquid
10/10/2001CN1316984A Process for production of acetic acid
10/09/2001US6300495 Process for the preparation of a metal salt of clavulanic acid
10/09/2001US6300373 Antiproliferative and neurotrophic molecules
10/04/2001WO2001072422A2 Method of removing organic iodides from organic media
10/04/2001WO2001034545A3 Method for production of formic acid
10/04/2001EP1137615A1 Selective hydrodehalogenation method
10/03/2001CN1072202C Recovery method for highly fluorinated carboxylic acids from gas phase
09/2001
09/26/2001EP1135356A1 Method of producing acid fluorides from acid chlorides
09/26/2001CN1071733C Process for preparking pure antimer of phenylpropionic compounds
09/25/2001US6294691 Reacting branched olefin, or precursor, in batch reactor or plug flow reactor with carbon monoxide and water, in presence of acid ion exchanger and solvent selected from sulfolane, carboxylic acids and esters, recovering branched acid
09/25/2001US6294056 Uniformly distributing a supply liquid in a distillation tower over horizontal cross sectional area area in distillation tower to prevent polymerization in distillation tower for distillating (meth)acrylic acid or esters
09/20/2001US20010023240 Compounds and compositions for delivering active agents
09/19/2001EP0744961B1 Gas-containing microparticles, agents containing them, their use in medical diagnosis by ultrasonic techniques and methods of producing said particles and agents
09/19/2001CN1313282A Process for treating waste water containing furaldehyde and recovering furaldehyde and acetic acid
09/19/2001CN1071303C Phosgenation under pressure of acids and/or anhydrides for production of acid chlorides
09/19/2001CN1071291C Production of hydrocarbon partial oxidation products
09/13/2001WO2001066516A1 Process for the preparation of triflic anhydride
09/13/2001WO2001066507A2 Process for the branching of saturated and/or unsaturated fatty acids and/or alkyl esters thereof
09/13/2001WO2001066505A1 Method for producing aliphatic carboxylic acids from aldehydes
09/13/2001WO2001066504A2 Method for the synthesis of aliphatic carboxylic acids from aldehydes
09/13/2001WO2001066503A2 Method for the synthesis of straight-chain aliphatic carboxylic acids from aldehydes
09/13/2001DE10010770C1 Non-catalytic production of linear, aliphatic carboxylic acids comprises oxidation of corresponding linear aldehyde with oxygen in presence of branched aldehyde
09/12/2001CN1312795A New 3-aryl propionic acid derivatives and analogs
09/12/2001CN1070841C Carboxylic acid derivatives, their preparation and their use
09/12/2001CN1070837C Preparation of carboxylic acids or related esters by carbonylation in the presence of inidium
09/12/2001CN1070734C Process for producing iridium solution and use of same as catalyst
09/07/2001WO2001064613A1 Method for producing chlorocarboxylic acid chlorides
09/06/2001US20010020040 Hyperforin derivatives, use thereof and formulations containing them
09/06/2001DE10010594A1 Production of chloroalkanoyl chlorides, used in synthesis of active pharmaceutical and agrochemical compounds, involves adding boron compound in catalytic chlorination of lactone
09/05/2001CN1311765A Method for oxidizing hydrocarbons
09/04/2001US6284904 Purification of organic acids using anion exchange chromatography
08/2001
08/30/2001US20010018170 Reacting silver salt with an aliphatic alkali metal salt
08/29/2001EP1127042A1 Method for preparing acetic acid and/or methyl acetate in the presence of iridium and platinum
08/29/2001CN1070168C Carbonylation of olefins
08/28/2001US6281385 Process for preparing acetic acid by gas-phase oxidation of saturated C4-hydrocarbons and their mixtures with unsaturated C4-hydrocarbons
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