Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
12/2006
12/27/2006CN1883805A Thiazole sulfonate co-catalytic oxo-synthesis homogeneous rhodium catalyst and use thereof
12/27/2006CN1292072C Long chain normal dibasic acid production method
12/27/2006CN1291967C Process for preparing 1,2,4-benzenetriacid
12/27/2006CN1291966C Synthesis of 5(6)-caproleic acid
12/27/2006CN1291965C Method for preparing hexane diacid by nitric acid catalyzed oxidation of cyclohexane oxidized liquid acid washing water
12/27/2006CN1291786C Modified heteropoly compound catalyst, its preparation method and application
12/27/2006CN1291781C Multi tubular reactor of solid bed and using method thereof
12/26/2006US7154003 Process for preparing phthaloyl chloride
12/26/2006US7153999 Reacting trimethylolalkane and formaldehyde to prepare a protected cyclic formal, oxidizing with nitric acid to prepare cyclic carboxylic acid which is cleaved to deprotect
12/26/2006US7153998 Recrystallizing an amine salt of crude 2,6-naphthalene dicarboxylic acid using as a protic polar solvent an alcohol and/or water and an acetate and deaminating the salt; product has excellent purity and color
12/26/2006US7153809 For use as catalysts in asymmetric reactions, such as, hydrogenation, hydride transfer, allylic alkylation, hydrosilylation, hydroboration, hydrovinylation, hydroformylation, olefin metathesis, hydrocarboxylation
12/26/2006US7153806 Atoms of cobalt and manganese encapsulated in micro and mesoporous porous solids for oxidation of aromatic alkyl groups
12/26/2006US7153480 Apparatus for and method of producing aromatic carboxylic acids
12/26/2006US7153394 System to isolate dianhydrides
12/21/2006WO2006134852A1 PROCESS FOR PRODUCING α, β-UNSATURATED CARBOXYLIC ACID
12/21/2006WO2006134474A2 Method for the use of [11c] carbon monoxide in labeling synthesis of 11c-labelled acids by photo-induced free radical carbonylation under mild conditions using sulfoxides
12/21/2006WO2006134424A2 Method for the use of [11c] carbon monoxide in labeling synthesis of 11c-labelled acids by photo-induced free radical carbonylation
12/21/2006WO2006108717A3 New method for the preparation of 6-(3-(1-adamantyl)-4-methoxphenyl)-2-naphthoic acid
12/21/2006WO2006050002A3 Compositions for controlled delivery of pharmaceutically active compounds
12/21/2006US20060287553 Method of stabilizing 1,4-dihydroxy-2-naphthoic acid
12/21/2006US20060287552 Optimized liquid-phase oxidation
12/21/2006US20060287548 Radical interceptors as stabilizers of polymerizable compounds
12/21/2006US20060287541 Subjecting a 4-substituted tetrahydropyran-4-carboxylic acid compound to to decarboxylation in the presence of a metal catalyst for producing 4-substituted tetrahydropyran
12/21/2006US20060286647 Esters of conjugated unsaturated acids (conjugated acid esters), corresponding methods and use
12/20/2006EP1734031A1 Novel 2-(alpha-n-pentanonyl)benzoetes, their preparation and use
12/20/2006EP1734029A1 Process for producing aromatic carboxylic acid
12/20/2006EP1734028A1 Process for producing acrolein and/or acrylic acid
12/20/2006EP1733003A1 Propylene hydroformylation
12/20/2006EP1732875A1 Process for isolation of hepatoprotective agent "oleanolic acid" from lantana camara
12/20/2006EP1732874A1 Preparation of acrylic acid derivatives from alpha or beta-hydroxy carboxylic acids
12/20/2006EP1732871A2 Process for hydroformylation of propylene
12/20/2006EP1732686A1 Palladium, tungsten and zirconium-based catalyst for production of oxygen-containing compound, production process of the catalyst, and production process of oxygen-containing compound using the catalyst
12/20/2006EP1732681A2 Catalyst composition for the selective conversion of alkanes to unsaturated carboxylic acids, method of making and method of using thereof
12/20/2006CN1290813C Process for the preparation of non-steroidal glucocorticoid receptor modulators
12/20/2006CN1290811C Liquid vegetable unsaturated alcohol and process for producing the same
12/20/2006CN1290612C Supported mixed metal oxide catalyst
12/19/2006US7151194 Introducing an acrylic acid-containing gas obtaining by a reaction of catalytic gas phase oxidation of raw material of acrylic acid into an absorption column; distilling the acrylic acid-containing solution without using an azeotropic solvent; melt crystallizing
12/19/2006US7151192 reacting a dimer or trimer derived from predominantly 2-butene with carbon monoxide in the presence of a strong acid catalyst which is BF3/H3PO4 or trifluoromethanesulfonic acid; use making "soft" vinyl esters or glycidyl esters
12/19/2006US7151184 Preparation of phthalic anhydride
12/19/2006US7150831 Method of purifying fischer-tropsch derived water
12/19/2006US7150809 Separation of gaseous and liquid stream; mixture containing (meth) acrylic acid ; mixture containing polymerization inhibition; spraying to remove shadow zones
12/14/2006WO2006132107A1 Niobium 2-ethylhexanoate derivative, process for producing the derivative, organic acid metal salt composition containing the derivative, and process for producing thin film from the composition
12/14/2006WO2006131480A1 Method for preforming oxidation catalysts
12/14/2006WO2006131040A1 A method for preparation of glyoxalic acid by oxidating glyoxal with ozonide of maleic acid
12/14/2006US20060281947 (Meth) acrylic acid composition and method for producing the same
12/14/2006US20060281946 Fluoroalkyl carboxylic acid derivative, method for producing fluorine-containing polymer, and aqueous dispersion of fluorine-containing polymer
12/14/2006US20060281944 Method of manufacturing acetic acid
12/14/2006US20060281942 Oxidation process for the production of carboxylic acids and alkenes
12/14/2006US20060281937 Stearate composition and method
12/14/2006US20060281815 Conjugated linolenic acids and methods of preparation and purification and uses thereof
12/14/2006US20060281814 Conjugated linolenic acids and methods for commerical preparation and purification
12/14/2006US20060281629 Catalyzing the oxidation, carbonylation, nitration, sulfonation reaction; catalyst selectivity; produce terephthalic acid from p-xylene or from p-toluic acid; produce pyromellitic acid from durene
12/14/2006US20060280721 Nutritional supplements and therapeutic compositions comprising (r)-3- hydroxybutyrate derivatives
12/13/2006EP1731557A1 Method of decomposing plastic
12/13/2006EP1731496A1 Process for producing (meth)acrylic acid derivative
12/13/2006EP1730092A2 Methods to prepare carbon-isotope organohalides with high specific radioactivity from carbon-isotope monoxide
12/13/2006EP1729851A2 Compositions comprising reverse isomers of conjugated linoleic acid
12/13/2006EP1399407B1 Process for production of aromatic carboxylic acids with improved water removal technique
12/13/2006EP1091922B1 Method of purifying aromatic dicarboxylic acids
12/13/2006CN1878853A Overbased metal carbonate/carboxylate microemulsions and halogen-containing polymers containing same
12/13/2006CN1878742A Method for the production of formic acid formates
12/13/2006CN1876239A Catalyst system for synthesizing acetic acid and acetic anhydride from carbonyl compound and its uses
12/13/2006CN1289459C Process for purifying organic acid
12/13/2006CN1289458C Long-chain binary acid composition and electrolyte made therefrom
12/13/2006CN1289457C Process for production of 3,3-dimethyl-2-formylcyclopropanecarboxylic acid derivatives
12/13/2006CN1289189C Tin promoted platinum catalyst for carbonylation of lower alkyl alcohols
12/13/2006CN1289178C Reactor filled with solid particle and gas phase catalytic oxidation using said reactor
12/13/2006CN1289172C Technique for recovering useful constituent from the tail gas arising from acetic acid synthesis process from carbonyl
12/12/2006US7148373 Process for purifying (meth)acrylic acid and process for producing (meth)acrylic esters
12/12/2006US7147048 Shell-and-tube type heat exchanger and method for production of (meth) acrylic acid by use of the exchange
12/12/2006CA2268311C A process for the recovery of lactic acid esters and amides from aqueous solutions of lactic acid and/or salts thereof
12/07/2006WO2006130288A1 Method for selectively oxidizing ethane to ethylene
12/07/2006WO2006128952A1 Process for the preparation of adamantane derivatives
12/07/2006WO2006109194A3 Chromium-fatty acid compounds and methods of making and using thereof
12/07/2006WO2006084892A3 Process for the preparation of a dicarboxylic acid
12/07/2006US20060276674 Method for purifying succinic acid from fermentation broth
12/07/2006US20060276665 Biodegradable surfactants
12/07/2006US20060276664 biodegradable surfactants
12/07/2006US20060276661 Three-layered or four-layered catalyst systems for producing phthalic anhydride
12/07/2006US20060276334 Coated catalyst support body
12/07/2006US20060275244 Alkyl-capped alkoxylated esters and compositions comprising same
12/07/2006CA2609410A1 Method for selectively oxidizing ethane to ethylene
12/06/2006EP1728779A1 Process for producing aliphatic dicarboxylic acid compound
12/06/2006EP1728778A1 Process for the production of trimellitic acid
12/06/2006EP1727777A1 Radiosynthesis of acid chlorides
12/06/2006CN1875046A Acyloxy acetic acid polymer and method for producing same
12/06/2006CN1874986A Long-life method for heterogeneously-catalysed gas phase partial oxidation of propene into acrylic acid
12/06/2006CN1874985A Method for long term operation of a multiphase catalysed gas phase partial oxidation of acrolein in order to form acrylic acid
12/06/2006CN1874984A Methof of producing unsaturated aldehyde and/or unsaturated acid
12/06/2006CN1874842A Process for producing catalyst for methacrylic acid production, catalyst for methacrylic acid production, and process for producing methacrylic acid
12/06/2006CN1872831A Method for preparing key intermediate of medication for anti AIDS
12/06/2006CN1872829A Method for preparing Adapalene
12/06/2006CN1288126C Method for purifying (meth)acrylic acid
12/06/2006CN1288125C Method of preparing calcium propionate using egg shell
12/06/2006CN1288124C Rhoaium/inorganic iodine compound catalyst system for reducing impurity in acetic acid production
12/05/2006US7145041 Method for producing saturated alcohols, ketones, aldehydes and carboxylic acids
12/05/2006US7145033 Oxidation process in fluidized bed reactor
12/05/2006US7144977 Lactic acid processing; methods; arrangements; and, products
12/05/2006US7144557 For improving life of a catalyst packed inside the reaction tubes and for preventing yield reduction of a target product
12/05/2006CA2225142C Iridium-catalysed carbonylation process for the production of acetic acid