C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides

Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
11/2006
11/30/2006	WO2006127839A2 Process for production of esters from olefin-containing hydrocarbon streams and vegetable or animal oils
11/30/2006	WO2006126626A1 Method for producing glycolic acid
11/30/2006	WO2006125964A1 A process for the dynamic resolution of (substituted) (r) - or (s) -mandelic acid
11/30/2006	WO2006125801A1 Process for the preparation of adipic acid from n-pentenoic acid
11/30/2006	WO2006125628A1 Process for the preparation of iridium acetate
11/30/2006	WO2006125468A1 Multi-layered catalyst for producing phthalic anhydride
11/30/2006	WO2006125467A1 Catalyst and method for producing phthalic anhydride
11/30/2006	US20060270866 Processes for production of esters from olefin-containing hydrocarbon streams and vegetable or animal oils
11/30/2006	US20060270851 Production process of optically pure 2-(4- hydroxyphenoxy)-propionic acid compounds
11/30/2006	DE102005033732A1 Trennung stereoisomerer N,N-Dialkylamino-2-alkyl-3-hydroxy-3-phenyl-alkane Separation of stereoisomeric N, N-dialkylamino-2-alkyl-3-hydroxy-3-phenyl-alkanes
11/30/2006	DE102005024116A1 Preparation of iridium precipitate comprises reacting iridium compound with an alkaline compound in a solvent under iridium-containing precipitate in the presence of compound such as oxalic acid and formic acid
11/30/2006	CA2621007A1 Process for production of esters from olefin-containing hydrocarbon streams and vegetable or animal oils
11/30/2006	CA2608388A1 A process for the dynamic resolution of (substituted) (r) - or (s) -mandelic acid
11/29/2006	EP1726578A1 Process for purifying (meth)acrylic acid and process for producing (meth)acrylic esters
11/29/2006	EP1726356A1 Slurry discharging method
11/29/2006	EP1725514A1 Utilization of acetic acid reaction heat in other process plants
11/29/2006	EP1651589A4 Process for production of acetyl anhydrides and optionally acetic acid from methane and carbon dioxide
11/29/2006	EP1615869B1 Thermal rectification method, and rectifying column
11/29/2006	EP1465968B1 Methods for treating deodorizer distillate
11/29/2006	EP1289919B1 Method for producing acrolein and/or acrylic acid
11/29/2006	EP1268061B1 Carbonylation catalyst supported on a carbonized polysulfonated divinylbenzene-styrene copolymer
11/29/2006	EP1187805B1 Process for preparing r-(-)-carnitine from s-(-)-chlorosuccinic acid or from a derivative thereof
11/29/2006	CN1871201A Method of producing unsaturated aldehyde and/or unsaturated fatty acid
11/29/2006	CN1871189A Method of producing unsaturated acid in fixed-bed catalytic partial oxidation reactor with enhanced heat control system
11/29/2006	CN1871064A Catalyst composition and use thereof in ethane oxidation
11/29/2006	CN1868995A Separation method of o-chlorobenzoic acid and p-chlorobenzoic acid mixture
11/29/2006	CN1868994A Preparation method of sodium danshensu
11/29/2006	CN1868596A Catalyst system used in low pressure methanol carbonyl synthesizing acetic acid
11/29/2006	CN1286795C Process for manufacturing high purity methacrylic acid
11/29/2006	CN1286794C Method for producing acrylic acid from propane in the absence of molecular oxygen
11/29/2006	CN1286793C Process for production of crystals of glycolic acid
11/29/2006	CN1286788C Process for preparation of 2,2,2-trifluoroethanol
11/28/2006	US7141686 For enhancing flavors, aromas and somatosensory effects in foods, beverages, skin care products, oral care products, and medicin
11/28/2006	US7141530 Catalyst support with intersecting channel network, catalysis reactor comprising same and method for making same
11/23/2006	WO2006125199A2 A process to produce a post catalyst removal composition
11/23/2006	WO2006125158A2 An enrichment process using compounds useful in a polyester process
11/23/2006	WO2006125156A1 A process to produce an enriched composition through the use of a catalyst removal zone and an enrichment zone
11/23/2006	WO2006125116A2 Esterification of an enriched composition
11/23/2006	WO2006125114A1 A process to produce an enrichment feed
11/23/2006	WO2006125113A2 A process to produce an enriched composition
11/23/2006	WO2006124633A1 Production of lactic acid
11/23/2006	WO2006123150A1 Process for the conversion of synthesis gas to oxygenates
11/23/2006	WO2006123146A2 Process for the conversion of synthesis gas to oxygenate
11/23/2006	WO2006122948A1 Inert material for use in exothermic reactions
11/23/2006	WO2006122563A1 A process for continuous carbonylation by supported ionic liquid-phase catalysis
11/23/2006	WO2006102336A3 Process and apparatus for manufacturing pure forms of aromatic carboxylic acids
11/23/2006	WO2006086376A3 Method of controlling acetic acid process
11/23/2006	US20060264673 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
11/23/2006	US20060264670 Precipitating and isolating parahydroxybenzoic acid in an aqueous solvent at a temperature equal to or above the transition temperature of parahydroxybenzoic acid; requires smaller amount of heat in the drying step; relatively large crystal size
11/23/2006	US20060264668 Method for producing methacrylic acid
11/23/2006	US20060264667 Adamantanetricarboxylic acid derivatives
11/23/2006	US20060264666 Enriched terephthalic acid composition
11/23/2006	US20060264665 3-Carboxybenzaldehyde, m-toluic acid, and at least two of terephthalic acid, benzenetricarboxylic acid isomers, 3,3'-dicarboxybiphenyl, phthalic acid, 3-hydroxybenzoic acid, 3-hydroxymethylbenzoic acid, and benzoic acid; for removing catalyst from a cooled carboxylic acid composition
11/23/2006	US20060264664 Esterification of an exchange solvent enriched composition
11/23/2006	US20060264663 For removing catalyst from a carboxylic acids; isomers of carboxybenzaldehyde, toluic acid, phthalic acid, benzene-tricarboxylic acid, dicarboxybiphenyl , phthalic acid, hydroxybenzoic acid, benzoic acid
11/23/2006	US20060264662 Esterification of an enriched composition
11/23/2006	US20060264661 Process to produce an enrichment feed
11/23/2006	US20060264660 oxidizing aromatic feedstock comprising paraxylene, crystallizing slurry, forming cooled carboxylic acid composition (via terephthalic acid process), wash feed comprising water and/or acetic acid in catalyst removal zone, and catalyst rich liquor comprising cobalt, acetic acid and water
11/23/2006	US20060264659 Process to produce an enriched composition through the use of a catalyst removal zone and an enrichment zone
11/23/2006	US20060264658 Process to produce an enriched composition
11/23/2006	US20060264657 Process to enrich a carboxylic acid composition
11/23/2006	US20060264656 Enrichment process using compounds useful in a polyester process
11/23/2006	DE102005023975A1 Verfahren zur Herstellung von Alkyl(meth)acrylaten Acrylates process for preparing alkyl (meth)
11/23/2006	CA2608909A1 A process for continuous carbonylation by supported ionic liquid-phase catalysis
11/23/2006	CA2607156A1 A process to produce a post catalyst removal composition
11/23/2006	CA2607141A1 An enrichment process using compounds useful in a polyester process
11/23/2006	CA2607136A1 A process to produce an enriched composition through the use of a catalyst removal zone and an enrichment zone
11/23/2006	CA2607130A1 A process to produce an enrichment feed
11/23/2006	CA2607126A1 A process to produce an enriched carboxylic acid composition
11/22/2006	EP1723095A1 Process for producing acetic acid
11/22/2006	EP1723091A2 Synthesis of carbon-labeled perfluoroalkyl compounds
11/22/2006	CN1867546A Novel compound and its uses in medicine, its preparation method and its pharmaceutical composition comprising same
11/22/2006	CN1867537A System and method for acetic acid recovery during terephthalic acid production
11/22/2006	CN1867536A Process
11/22/2006	CN1867535A Crystallization of adipic acid from its solution in aqueous nitric acid
11/22/2006	CN1865220A Two-step method high temperature acidolysis process for citric acid
11/22/2006	CN1865218A Method for making 6-bromocaproic acid
11/22/2006	CN1865217A Method for manufacturing monochloroacetic acid based on continuous catalytic chlorination process
11/22/2006	CN1865216A Process for crylic acid azeotropism refining and recovering acetic acid
11/22/2006	CN1865215A Purification method for acetic acid synthesized by low pressure methanol carbonylation
11/22/2006	CN1865214A Method for producing aromatic carboxylic acid using nitrogen oxide as catalytic additive
11/22/2006	CN1865213A Low pressure device for synthesizing acetic acid by methanol carbonylation
11/22/2006	CN1864856A Method for preparing Co-Mn-Br composite liquid catalyst
11/22/2006	CN1864842A Fixed bed reactor for gas-phase catalytic oxidation and processes for producing acrolein or acrylic acid
11/22/2006	CN1285561C Alpha, beta-unsaturated ketone compound and its preparation process and GST-Pi inhibiting activity
11/22/2006	CN1285560C Method for preparing hyperpure acetic acid and equipment
11/22/2006	CN1285559C Method of industrial-scale purification of lactic acid
11/22/2006	CN1285402C Reaction system of organic substance employing supercritical fluid or sub-critical fluid
11/21/2006	US7138545 Metal salts
11/21/2006	US7138544 Process for preparing aliphatic straight-chain and beta-alkyl-branched carboxylic acids
11/21/2006	CA2171408C Recovery of highly fluorinated carboxylic acids from the gas phase
11/19/2006	CA2609300A1 A process to enrich a carboxylic acid composition
11/16/2006	WO2006121584A2 Production of biodiesel using expanded gas solvents
11/16/2006	WO2006121100A1 Method for preparing catalyst for production of methacrylic acid
11/16/2006	WO2006120233A1 Method for the production of at least one final product by partial oxidation and/or ammoxidation of propylene
11/16/2006	WO2006119939A1 Process for the production of trimellitic acid
11/16/2006	WO2006039872A8 The mehod of chemical recycling of polyethylene terephthalate waste
11/16/2006	WO2005011862A8 Catalyst for gas phase oxidations
11/16/2006	US20060258876 Carbonylation of 3-pentenenitrile to 5-cyanovaleric acid or its corresponding esters
11/16/2006	US20060258872 reacting an acyl group donor ( fatty acid, triglyceride or fatty ester) with an acyl group receptor ( glycerol), and separating unreacted material and byproducts by distillation for use as a part of the starting material in the subsequent cycle of production of diglyceride rich fat and vegetable oil

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