Patents
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Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
10/2005
10/18/2005US6956134 Oxidation of methanol and/or dimethyl ether using supported molybdenum-containing heteropolyacid catalysts
10/18/2005US6956130 Direct esterification of acrylic acid with 2-ethylhexanol in the presence of sulfuric acid; acrylic acid being stabilized, and neutralization with a base occurs
10/18/2005CA2243514C Process for the preparation of polyglycol(meth)acrylates
10/13/2005WO2005095323A1 Procede de preparation de composes ester utilises comme activateurs de blanchiment
10/13/2005WO2005095322A1 PROCESS FOR PRODUCING 1,2-cis-2-FLUOROCYCLOPROPANE-1­CARBOXYLIC ESTER COMPOUND
10/13/2005WO2005095320A1 Preparation of acrylic acid derivatives from alpha or beta-hydroxy carboxylic acids
10/13/2005US20050228193 Reacting diesters such as dimethyl malonate in the presence of an aprotic solvent with a base and then with )-1,3-dichloro-1-propene
10/13/2005US20050228191 Method for preparing hydroxystyrenes and acetylated derivatives thereof
10/13/2005US20050227909 An Aldol condensation of an unsubstituted cycloalkanone with an aldehyde or ketone, to form a 2-(1-hydroxyalkyl)cycloalkanone or a 2-(1-hydroxyaryl)cycloalkanone; chemical intermediates for pharmaceuticals and perfumes
10/12/2005EP1583812A1 Process for controlling the fatty acid chain composition of triglycerides and use thereof
10/12/2005EP1583738A1 Indenoncarboxylic acids derivatives and their use for the treatment of and preventing diabetes and dyslipidaemia
10/12/2005EP1583733A1 Improved method for the continuous production of alkyl(meth)acrylates with multiple catalyst recycling
10/12/2005EP1583731A1 Method for the rectificative separation of fluids containing (meth)acrylic monomers
10/12/2005EP1583730A1 Novel process for preparing a 5-hydroxy-3-oxo-hexanoic acid derivative
10/12/2005EP1397206B1 Tin promoted platinum catalyst for carbonylation of lower alkyl alcohols
10/12/2005EP1180092B1 Method for producing vinyl acetate monomer from ethane or ethylene oxidation
10/12/2005EP1109798B1 Geranic acid derivatives
10/12/2005CN1682501A System for efficient recovery of node-B buffered data following MAC layer reset
10/12/2005CN1681767A Method for manufacturing 2-(hydroxymethyl) cyclopropane carboxylic acid compound
10/12/2005CN1681592A 钯催化剂组合物 Palladium catalyst composition
10/12/2005CN1681591A A catalyst system
10/12/2005CN1680347A Synthesis of 3, 6-dialkyl-5, 6-dihydro-4-hydroxy-pyran-2-ketone
10/12/2005CN1680271A Preparation of 4-[4-(1-oxethylacyl-1-ethyl methyl benzene)]-4-ketobutyric acid
10/12/2005CN1680269A Process for producing a fluorine-containing compound by liquid phase fluorination
10/12/2005CN1680267A Production of high purity ritalin from waste liquid or gas containing it
10/12/2005CN1680028A Solid superstrong acid catalyst of esterification of preparation thereof
10/12/2005CN1679535A Composition comprising pravastatin
10/12/2005CN1222513C Siliver halide color photographic material, phenidone compounds used therefor, and process for preparing the same
10/12/2005CN1222503C Method for esterifying (meth) acrylic acid with alkanol
10/12/2005CN1222502C Carrier of catalyst for producing lower aliphatic carboxylic acid ester, the catalyst and method for producing the catalyst and the carboxylic acid ester
10/12/2005CN1222353C Apparatus and method for heat exchange with fluid bed
10/06/2005WO2005093015A1 Method for producing biofuels, transforming triglycerides into at least two biofuel families: fatty acid monoesters and ethers and/or soluble glycerol acetals
10/06/2005WO2005092829A1 Utilization of acetic acid reaction heat in other process plants
10/06/2005WO2005092828A1 Processes for producing 3-methyl-2-butenyl acetate
10/06/2005US20050222458 Catalytic dehydration and amidation of alpha or beta hydroxycarboxylic acids; efficient, simple, mild reaction conditions; water tolerance
10/06/2005US20050222455 Method for producing 3-hydroxy-2-methylbenzoic acid
10/06/2005US20050222452 Process for preparing dioxy-functionalized propane compounds
10/06/2005US20050222379 Method and apparatus for synthesis of lactide
10/06/2005US20050221457 Methods of manufacturing derivatives of beta-hydroxycarboxylic acids
10/06/2005US20050221389 Organic reactions with CO generating materials
10/06/2005US20050219564 Image forming device, pattern formation method and storage medium storing its program
10/06/2005US20050218532 higher reactivity with an electrophile; lithium chloride complexes; using organometallic R1(MgX).LiY, a fast exchange reaction occurs leading to Grignard reagents in high yields under mild conditions; ether solvent; phenyl-(4-cyanophenyl)methanol from benzaldehyde, 4-bromobenzonitrile and i-PrMgCl.LiCl
10/06/2005US20050218294 Image sensor
10/06/2005DE102004013967A1 Kühlung und Reinigung von Gasströmen Cooling and cleaning of gas streams
10/05/2005EP1582523A1 Method of preparing organomagnesium compounds
10/05/2005EP1582513A1 Process for reductive dehalogenation
10/05/2005EP1582257A1 Novel solid acid catalyst
10/05/2005EP1581473A2 Continuous method for preparing ethyl lactate
10/05/2005EP1581467A2 Ligands for metals and improved metal-catalyzed processes based thereon
10/05/2005EP1516866A9 Natural compounds and derivatives thereof for the prevention and treatment of cardiovascular, hepatic and renal diseases and for cosmetic applications
10/05/2005EP1444241B1 Bidendate ligands for the carbonylation of unsaturated compounds
10/05/2005EP1320516B1 Process for the preparation of halogenated hydroxydiphenyl compounds
10/05/2005CN1678560A Process for preparing nitrooxyderivatives of naproxen
10/05/2005CN1678395A Novel nickel-carbene, palladium-carbene and platinum-carbene complexes, their production and use in catalytic reactions
10/05/2005CN1678012A Image sensor
10/05/2005CN1676591A Preparation of ester compound as bleaching activating agent
10/05/2005CN1676510A Method for preparing 4-chloracetyl ethyl acetate
10/05/2005CN1676509A Perfluorotanyl acid esterification method, and its straight chain content analyzing method
10/05/2005CN1676212A Use of zirconium inorganic salt and zirconium-oxygen inorganic salt as esterification catalyst
10/05/2005CN1221520C Bi(cis-3, 3, 5-trimethylcyclohexyl) phthalate, process for producing the same, and thermoplastic resin composition
10/05/2005CN1221516C Process for the carbonylation of a conjugated diene
10/05/2005CN1221515C Method for preparing long-chain dibasic acid esters
10/04/2005US6951957 Process for producing a fluorine-containing compound by liquid phase fluorination
10/04/2005US6951954 reacting preheated 1,3-propandiol and terephthalic acid; transesterification
09/2005
09/29/2005WO2005090280A1 Process for production of (1-alkenyl)cyclopropanes
09/29/2005WO2005090279A1 Process for producing (meth)acrylic ester
09/29/2005WO2005090277A1 Method of preventing clogging of apparatus for handling (meth)acrylic acid or ester thereof
09/29/2005WO2005090274A1 Process for regioselective preparation of glycerol, derivative and intermediate therefor
09/29/2005WO2005090272A1 Cyclone reactor and associated methods
09/29/2005WO2005090267A2 Methods to prepare carbon-isotope organohalides with high specific radioactivity from carbon-isotope monoxide
09/29/2005WO2005089905A1 Cooling and purification of gas streams
09/29/2005WO2005066109B1 A process for the preparation of 2-hydroxy carboxylic acids
09/29/2005US20050215836 Processes for producing fluorine-containing 2,4-diols and their derivatives
09/29/2005US20050215814 Hydroformylation of biscarboxylic esters of but-2-ene-1,4-diol; high temperature deacetoxylation in presence of organometallic heterogeneous catalyst, hydrogen, carbon monoxide and solvent; one step; esterification; chemical intermediates for vitamin A acetate and perfumes
09/29/2005US20050215813 Method for preventing clogging in apparatus for handling (meth)acrylic acid or esters thereof
09/29/2005US20050215804 Synthesizing method for compound, and catalyst for synthesis reaction
09/29/2005US20050215794 Group IB compounds used as condensation, amination, amidation or arylation catalysts; catalysis; efficiency; forming a carbon-carbon bond between a reactant comprising a nucleophilic carbon atom, e.g., enolate or malonate anion, and activated carbon of an aryl, heteroaryl, or vinyl halide or sulfonate
09/29/2005US20050215752 free-radical crosslinkers for polymers (superabsorbents); high hydrolysis stability; Acrylic Ester
09/29/2005US20050215426 Esterification catalyst and process therewith
09/29/2005US20050210738 Preparation of levulinic acid esters from alpha-angelica lactone and alcohols
09/29/2005DE19721347B9 Verfahren zur Herstellung von Esterweichmachern A process for preparing ester plasticizers
09/29/2005DE10393514T5 Stabilisierung von Produktmischungen aus der Olefinmetathese Stabilization of product mixtures of olefin metathesis
09/29/2005DE10064084B4 Verfahren zur Herstellung von Vinylacetat A process for the production of vinyl acetate
09/29/2005CA2559527A1 Cyclone reactor and associated methods
09/28/2005EP1578712A2 Hydrogenation catalyst, preparation thereof and hydrogenation processes using this catalyst
09/28/2005EP1399034B1 Taste modifiers comprising a chlorogenic acid
09/28/2005CN1675286A (meth)acrylic esters of polyalkoxylated glycerine
09/28/2005CN1675162A Method for separating an esterification catalyst
09/28/2005CN1675160A Process for the carbonylation of ethylenically unsaturated compouds
09/28/2005CN1674990A A phospha-adamantane (s) catalytic system
09/28/2005CN1674979A Method for monitoring the stability of vinylogous compounds
09/28/2005CN1673209A Active metabolic product of phencynonate and its medicinal use
09/28/2005CN1672678A Separation and extraction of natural active long-chain fatty acid component for preventing and treating prostatosis and the prepn and application of its medicine prepn
09/28/2005CN1220716C Polyester precursor purification process
09/28/2005CN1220672C Method for purifying hydroxyalkyl ester acrylate (methacrylate)
09/28/2005CN1220670C Method for purifying (meth) acrylic monomers by distillation
09/28/2005CN1220667C Organic compounds and processes for their manufacture
09/28/2005CN1220658C Alkene oligomerization process
09/27/2005US6949682 Unsaturated aldehydes such as 2,3-bis-(2-chlorobenzylidene)succinaldehyde, formed by dimerization and used as antimitotic, antiproliferative or antitumor agents
09/27/2005US6949673 Process for producing carboxylic acids
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