Patents
Patents for C07C 67 - Preparation of carboxylic acid esters (66,429)
12/2004
12/08/2004EP1483273A2 Ligands for asymmetric reactions
12/08/2004EP1200187B1 Method for producing catalysts by acid activation
12/08/2004EP1171410B1 Process for the preparation of a diol
12/08/2004EP1144355B1 Alpha-halogenated acid esters with polyvalent alcohols as atom transfer radical polymerization initiators
12/08/2004EP1114040B1 PROCESS FOR OBTAINING HMG-CoA REDUCTASE INHIBITORS OF HIGH PURITY
12/08/2004EP1085942B1 Preparation of a vinyl acetate catalyst comprising metallic palladium, copper and gold
12/08/2004EP0966420B1 2-arylcyclopentane-1,3-diones
12/08/2004CN1553889A Method for producing (meth)acrylic acid esters
12/08/2004CN1553888A Biphenylene compounds
12/08/2004CN1552690A Benzyl ethylene quininate derivatives, their preparations and uses
12/08/2004CN1552688A Process for production of (meth)acrylic compounds
12/08/2004CN1178894C Agricultural chemical intermediate and method for preparing same
12/08/2004CN1178893C Process for inhibiting polymerizatino of easy polymerized compounds
12/08/2004CN1178891C Refining method for (methyl) propenoic acid and/or its ester
12/08/2004CN1178748C Catalyst for production of vinyl acetate by using fluidized bed
12/07/2004US6828466 Reacting arene with borane; oxidation, hydrogenation phenylboronic acid
12/07/2004US6828368 Bis(cis-3,3,5-trimethylcyclohexyl) phthalate, process for producing the same, and thermoplastic resin composition
12/02/2004WO2004104050A1 Method for the production, treatment and further processing of polymerisable compounds
12/02/2004WO2004103950A1 Novel partially protected trisphenols and process for the preparation thereof
12/02/2004WO2004103948A1 Process for the carbonylation of a conjugated diene
12/02/2004WO2004103947A1 Process for producing bromomethyl-substituted aromatic carboxylic ester compound
12/02/2004WO2004103560A1 Catalytic composition and process for asymmetric hydrogenation
12/02/2004WO2004103559A2 Coordination complex system comprising building blocks and use thereof as a catalyst
12/02/2004US20040242924 makes possible the preparation of anhydrous carboxylic acids and thus allows the handling of less corrosive media and the use of less expensive materials of construction and also offers increasing safety as a result of the reduced corrosion
12/02/2004US20040242917 Catalyst for ester production and process for producing ester
12/02/2004US20040242916 Process for preparation of 7-amino syn 3,5-dihydroxy heptanoic acid derivatives, intermediates thereof and methods for their preparation
12/02/2004US20040242909 Method for producing conjugated fatty acid esters
12/02/2004US20040242826 Stability; mixing in multiple chemical reactor; supplying to purification vessel
12/02/2004US20040238787 Using pure alcohol; plasticizer for plastics; hydraulic fluids; lubricantd
12/02/2004CA2526497A1 Catalytic composition and process for asymmetric hydrogenation
12/02/2004CA2526348A1 Process for the carbonylation of a conjugated diene
12/01/2004EP1481958A1 Production of organic compounds which are low in fluoride
12/01/2004EP1481724A1 Reaction method using microreactor
12/01/2004EP1481674A1 Process for recovering statin compounds from a fermentation broth
12/01/2004EP1480938A1 Process for the production of an alkenyl carboxylate or an alkyl carboxylate
12/01/2004EP1480928A1 Alkene separation process
12/01/2004EP1192120B1 Processes for conducting equilibrium-limited reactions
12/01/2004CN1551800A Isolation of trifluoroethanol
12/01/2004CN1551791A Method for removing acid
12/01/2004CN1550489A Method for producing (meth)acrylic acid ester
12/01/2004CN1550488A Method for washing and removing easy polymerizing compounds
12/01/2004CN1550487A Method for distilling (meth)acrylic acid
12/01/2004CN1550486A Method for stopping running of distillation tower
12/01/2004CN1550485A Method for distilling (meth)acrylic acid
12/01/2004CN1550483A Method for distilling (meth)acrylic acid and/or the ester thereof
12/01/2004CN1550480A Method for manufacturing polymeriable substance
12/01/2004CN1177796C Process for carbonylation of conjugated dienes
12/01/2004CN1177795C Process for the production and purification of N-butyl Acrylate
12/01/2004CN1177794C Single-phase process for prodn. of fatty acid methyl esters from mixtures of triglycerides and fatty acids
12/01/2004CN1177793C Microbial process for preparing pravastatin
12/01/2004CN1177779C Fluorination
11/2004
11/30/2004US6825379 Method for recovering and producing C4-C6 dicarboxylate from alkaline waste solution generated in caprolactam preparation process
11/30/2004US6825375 Intermediate and process for producing fluorinated carboxylic acid derivative from the same
11/30/2004US6825374 Waterproofing, heat resistance, optics; diel-alder reactions
11/30/2004US6825149 Highly selective shell impregnated catalyst of improved space time yield for production of vinyl acetate
11/25/2004WO2004101488A1 Carbonylation process using metal-tridentate ligand catalysts
11/25/2004WO2004101487A1 Carbonylation process using metal-polydentate ligand catalysts
11/25/2004US20040236143 Method for producing (meth)acrylic acid esters
11/25/2004US20040236142 Using a lactide; oligomerization
11/25/2004US20040236141 reacting oxy nitriles with solutions of inorganic acid in an alcohols, to form carbocyclic oxy esters and isomers, used as chemical intermediates for angiotensin converting enzyme inhibitors
11/25/2004US20040236131 from aqueous solution or vapor streams of wastes or by-products; contacting with electrophilic compound ; separation
11/25/2004US20040236127 Hydrogenation using transition metal hydrogenation catalyst
11/25/2004US20040236121 Catalyst for production of allyl acetate comprising palladium metal as the main catalyst, tin metal or a mixture of tin and additional metal(s) as the promoter, in combination with an alkali or alkaline earth metal compound, supported on outer surface of porous carrier
11/25/2004US20040235980 Polymerizable compound, polymerizable composition and cured product containing the compound
11/25/2004US20040235962 Conformationally restricted polyamine analogs as disease therapies
11/25/2004US20040233923 Method and system for transmitting data from a first data network into a second data network
11/25/2004US20040232082 Method for removing trifluoroethanol from liquids
11/25/2004US20040232081 contacting liquids, in particular esters of carbonic and carboxylic acids, phosphoric acid, phosphonic acid or phosphinic acid contaminated, for example, with the corresponding free acid, with an acid collector comprising a polyalklyeneimine applied on a support
11/25/2004US20040231722 Method for preventing clogging of apparatus for handling (meth) acrylic acid and esters thereof
11/25/2004DE10321107A1 Verfahren zur Herstellung eines Benzoesäureesters A method for producing a benzoic acid ester
11/25/2004DE10318697A1 Verfahren zur Hydrierung einer monoolefinisch ungesättigten Verbindung A process for the hydrogenation of a monoolefinically unsaturated compound
11/24/2004EP1479439A1 Coordination complex system comprising building blocks and use thereof as a catalyst
11/24/2004EP1478675A1 Hydrogenation of polyester oligomers containing terephthalic acid residues
11/24/2004EP1478640A1 Process for the manufacture of hmg-coa reductase inhibitory mevalonic acid derivatives
11/24/2004EP1478617A1 Polyol ester compounds useful in preparation of a catalyst for olefins polymerization, process for preparing the same and use thereof
11/24/2004EP1478616A1 Indanes and indanones and their use in perfumery
11/24/2004EP1478615A1 Brominated esters, methods for their preparation and use thereof as flame retardants
11/24/2004EP1478463A1 Process for the carbonylation of an ethylenically unsaturated compound and catalyst therefore
11/24/2004EP1478229A2 Improved synthesis of polyanhyrides
11/24/2004EP1091803B1 Preparation of a vinyl acetate catalyst comprising metallic palladium, copper and gold
11/24/2004CN1549806A Process for the production of acetic acid C4-esters
11/24/2004CN1176897C Sucrose fatty ester produced through one-step process and its use
11/23/2004USRE38659 Esters with musky odor and their use in perfumery
11/23/2004US6821922 Supported catalyst based on pyrogenically produced mixed oxide, which catalyst is in particular suitable for the production of vinyl acetate monomer
11/23/2004US6821783 Transition metal complexes as linkers
11/23/2004CA2316157C Process for the preparation of vitamin d analogues
11/18/2004WO2004099117A1 Method for producing a benzoate
11/18/2004WO2004099115A1 Process for extraction and catalytic esterification of fatty acids found in sewage scum
11/18/2004WO2004099113A1 Process for converting a hydrocarbon to an oxygenate or a nitrile
11/18/2004US20040230074 Method for distilling (meth)acrylic acid and/or the ester thereof
11/18/2004US20040230071 Process for the carbonylation of pentenenitrile
11/18/2004US20040230064 Novel labeled resiniferatoxin derivatives
11/18/2004US20040229846 P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions
11/18/2004US20040226812 apparatus has strainers installed on upstream side of pump for extracting a liquid of a vacuum distillation column which distills and refines easily polymerizable substance; switching strainers can be performed with no trouble during operation of the column
11/18/2004DE10319401A1 Citronensäureester Citric acid
11/18/2004DE10317204A1 Carbonsäureester auf Basis von 2-Hydroxymethylnorbornan Carboxylic acid esters based on 2-Hydroxymethylnorbornan
11/17/2004EP1477551A1 Method for the trans-esterification of triglycerides with monoalcohols having a low molecular weight in order to obtain light alcohol esters using mixed catalysts
11/17/2004EP1477549A1 Method of producing fatty acid alkyl ester for diesel fuel oil
11/17/2004EP1477488A1 Novel optically active compounds, method for kinetic optical resolution of carboxylic acid derivatives and catalysts therefor
11/17/2004EP1477471A1 Process for purifying pravastin sodium from a fermentation broth