Patents
Patents for C07C 51 - Preparation of carboxylic acids or their salts, halides, or anhydrides (43,144)
03/2010
03/31/2010CN101687756A Process for forming alpha, beta-unsaturated carbonyl halides
03/31/2010CN101687755A Process for converting levulinic acid into pentanoic acid
03/31/2010CN101687754A Process for producing aromatic carboxylic acid
03/31/2010CN101687753A Method for the production of ketoacids and their derivatives
03/31/2010CN101687185A Process for the carbonylation of dimethyl ether
03/31/2010CN101684072A Optimised liquid-phase oxidation
03/31/2010CN101684071A Method for splitting DL-p-hydroxymandelic acid
03/31/2010CN101684070A 4-Method for synthesizing 4-Methyloctanoic Acid
03/30/2010USRE41184 Process for producing a fluorine atom-containing sulfonyl fluoride compound
03/30/2010US7687425 Three-layered or four-layered catalyst systems for producing phthalic anhydride
03/30/2010CA2378855C Titanium derived compounds, preparation and use thereof
03/30/2010CA2343231C Microbial process for the preparation of acetic acid as well as solvent for its extraction from the fermentation broth
03/25/2010WO2010032665A1 Fixed bed reactor and method for producing acrylic acid using the same
03/25/2010WO2010032129A1 Method for producing adamantyl compounds
03/25/2010WO2010031949A1 Method for producing bio-resourced polymer-grade acrylic acid from glycerol
03/25/2010WO2010010291A3 Production of vinyl propionate from renewable materials, vinyl propionate obtained, and uses thereof
03/25/2010WO2010008735A9 Solid states of o-desmethylvenlaf axine salts
03/25/2010WO2010007253A3 Novel method for preparing functionalized benzocyclobutenes, and use in the synthesis of ivabradine and of addition salts thereof with a pharmaceutically acceptable acid
03/25/2010US20100076219 Method for preparation of 6-[3(1-adamantyl) -4-methoxyphenyl]-2-naphtoic acid
03/25/2010US20100076080 Synthesis of Cyclohexane Derivatives Useful as Sensates in Consumer Products
03/24/2010EP2165998A1 Method for selective esterification of free fatty acids in triglycerides
03/24/2010CN201427047Y Chlorine gas distributor
03/24/2010CN101679199A Method of distilling liquid containing easily polymerizable compound
03/24/2010CN101679189A Novel reaction with a gold catalyst
03/24/2010CN101679186A Method and apparatus for making acetic acid with improved light ends column productivity
03/24/2010CN101679185A Improved process for the recovery of terephthalic acid
03/24/2010CN101679184A Process for producing a solution of diacid/diamine salts
03/24/2010CN101679183A Process for converting levulinic acid into pentanoic acid
03/24/2010CN101679182A Method for starting a heterogeneously catalyzed partial gas phase oxidation of acrolein into acrylic acid or of methacrolein into methacrylic acid
03/24/2010CN101679181A Process for the catalytic cleavage of vegetable oils
03/24/2010CN101679180A Process for producing methacrylic acid
03/24/2010CN101679179A Method for the conversion, under mild conditions and in aqueous medium, of gaseous and liquid alkanes into carboxylic acids
03/24/2010CN101679178A Process for the synthesis of intermediates of renin inhibitors such as aliskiren
03/24/2010CN101678327A Improved mixed metal oxide catalysts and process for (amm) oxidation of lower alkane hydrocarbons
03/24/2010CN101678326A Mixed metal oxide catalysts and catalytic conversions of lower alkane hydrocarbons
03/24/2010CN101678325A Catalyst for producing of acrylic acid, method for producing acrylic acid using the catalyst and method for producing water-absorbent resin using the acrylic acid
03/24/2010CN101678243A Crystallizer and its operation method
03/24/2010CN100594978C Process for preparing catalyst Pd/TiO2 for hydrogenation of p-carboxybenzaldehyde
03/24/2010CN100594972C PX oxidizing reactor for producing terephthalic acid
03/23/2010US7683213 Oxidation of propane to give acrylic acid using catalysts in a mixture of crystalline phases
03/23/2010US7683212 continuously reacting methanol with carbon monoxide in presence of rhodium catalyst which is a rhodium complex soluble in reaction mixture under reaction conditions or can form rhodium complex, an iodide salt, methyl iodide, methyl acetate, and water, keeping acetaldehyde content to 500 ppm or less
03/23/2010US7683210 Optimized liquid-phase oxidation
03/23/2010CA2610821C Organic salts of .beta.-alanine
03/23/2010CA2499138C Conjugated linoleic acid compositions
03/23/2010CA2435918C Purification of crude terephthalic acid and catalysts comprising carbon fibers which are suitable for this purpose
03/23/2010CA2420574C Process for producing fluorinated ketone
03/18/2010WO2010030617A1 A method of recovering levulinic acid
03/18/2010WO2010030320A1 Preparation of acetic acid
03/18/2010WO2010028991A1 Method for producing geometric catalyst moulded bodies
03/18/2010WO2010028977A1 Method for producing geometric catalyst moulded bodies
03/18/2010WO2010028730A1 Method and system for obtaining solid reaction products from solutions
03/18/2010WO2010010309A3 Method for the synthesis of bioresourced acrylic acid esters
03/18/2010WO2010006834A3 Thermal salt-splitting of ammonium salts of hydroxycarboxylates
03/18/2010WO2009143531A3 Catalyst systems for the production of acids
03/18/2010US20100069666 Improved method for the production of unsaturated carboxylic acid anhydrides
03/18/2010US20100069661 Process for carbonylating phenylalkyl derivatives by means of carbon monoxide
03/18/2010US20100069594 Production by distillation of acetone cyanhydrin and method for producing methacrylic ester and subsequent products
03/18/2010US20100069583 Process for producing acrylic acid, apparatus for producing acrylic acid, and composition for producing acrylic acid
03/17/2010EP2163536A1 Process for production of perfluorodiacyl fluorides
03/17/2010EP1572615B1 Process for the synthesis of peptides containing a 4-hydorxy-proline substructure
03/17/2010EP1527038B1 Process for the carbonylation of ethylenically unsaturated compouds
03/17/2010CN101675023A Ionic liquids comprising polyethercarboxylates as anions, production and use thereof
03/17/2010CN101675022A Method for the recovery of maleic anhydride by distillation
03/17/2010CN101675021A Process for production of ether carboxylates
03/17/2010CN101671596A A detergent
03/17/2010CN101671495A Calcium carbonate modifier and preparation method thereof
03/17/2010CN101671247A Novel technology for separating and refining positron medicine of <11>C-sodium acetate
03/17/2010CN101671246A Method for producing sodium acetate trihydrate and anhydrous sodium acetate as byproducts
03/17/2010CN101671233A Method for producing sodium formate
03/17/2010CN101671232A Method for catalyzing and depolymerizing polyethylene glycol terephthalate under microwave environment
03/17/2010CN101670229A Pumping and filtering device
03/16/2010US7678940 Process for producing carboxylic acid
03/16/2010US7678932 contacting unsaturated fat and aliphatic monoalcohol, polyalcohol, under metathesis conditions, with excess of ethylene in presence of catalyst and non-aqueous ionic liquid; distillation
03/16/2010US7678925 Processes of producing glutamic acid compounds and production intermediates therefore and novel intermediate for the processes
03/16/2010CA2472172C Integrated process for producing carbonylation acetic acid, acetic anhydride, or coproduction of each from a methyl acetate by-product stream
03/16/2010CA2323704C Procedure for purifying organic products by fractional crystallization at a variable circulation rate
03/11/2010WO2010027732A1 Process for producing acrolein and/or acrylic acid from propane
03/11/2010WO2010027103A1 Process for preparing fluorocarboxylic acid
03/11/2010US20100063320 Method for producing formic acid
03/11/2010US20100063319 carbonylating methanol to form reaction mixture comprising catalyst, catalyst stabilizer, acetic acid, methanol, methyl iodide, methyl acetate, water, and carbon monoxide, distilling in column; eliminates use of flash tank
03/11/2010US20100063233 Method for producing acrylic acid
03/11/2010US20100062970 Synthesis of propyl phenoxy ethers and use as delivery agents
03/11/2010US20100060894 Nanostructured metal-polyaniline composites and applications thereof
03/10/2010EP2161075A1 Process and device for manufacturing organometallic complexes in powder form
03/10/2010EP1286945B2 Integrated process for the production of vinyl acetate
03/10/2010CN101668729A Improved process for preparing substituted carboxylic anhydrides
03/09/2010US7674745 Formed by heating vanadium pentoxide suspended in liquid with solution of silver salt, and isolating the product; spray drying; filtering; drying; for production of catalysts for gas-phase partial oxidation of aromatic hydrocarbons
03/09/2010CA2418073C Method and apparatus for sequestering entrained and volatile catalyst species in a carbonylation process
03/04/2010WO2010024762A1 PREPARATION OF β-PHENYL-ISOSERINE DERIVATIVES
03/04/2010WO2010023053A2 Use of foam bodies in oxidation reactors for preparing unsaturated aldehydes or carboxylic acids
03/04/2010WO2010022830A2 Catalyst for the catalytic gas phase oxidation of aromatic hydrocarbons to form aldehydes, carboxylic acids and/or carboxylic acid anhydrides, in particular phthalic acid anhydride, and method for producing said type of catalyst
03/04/2010US20100056824 Method for preparation of 1,2,3,4-benzenetetracarboxylic acid
03/04/2010US20100056750 Process for the synthesis of halogenated aromatic diacids
03/04/2010US20100055516 Nickel substrates
03/04/2010US20100055291 Process for preparing 2-hydroxy-4-methylselenobutyric acid, alone or as a mixture with its sulphur-containing analogue, and uses thereof in nutrition, in particular animal nutrition
03/04/2010DE102008044946A1 Einsatz von Schaumkörpern in Oxidations-Reaktoren zur Herstellung ungesättigter Aldehyde oder Carbonsäuren Use of foam bodies in oxidation reactors for the production of unsaturated aldehydes or carboxylic acids
03/04/2010DE102008038273A1 Producing acrylic acid, useful as superabsorbent, comprises dehydrating glycerol in presence of dehydration catalysts to obtain gaseous acrolein phase and oxidizing acrolein in presence of oxidation catalyst to gaseous acrylic acid phase
03/03/2010EP2159213A1 Method for Producing Acrylic Acid
03/03/2010EP2158954A1 Evaporation apparatus, method of evaporation and process for producing methacrolein or (meth)acrylic acid
03/03/2010EP1670741B1 Process for the preparation of a gas phase oxidation catalyst with defined vanadium oxide particle size distribution