C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups

Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
12/1999
12/08/1999	CN1237579A Alkylcyclohexanolalkyleneoxide adduct and preparation process thereof
12/08/1999	CN1047105C Metallic zeolite catalyst for reaction of covnerting synthetic gas into dimethyl ether
12/07/1999	US5998675 Reacting an isoolefin with alcohol in presence of a catalyst; ertherification; distillation
12/07/1999	US5998674 Brominating an unsaturated bond; heat generated by reaction is used to vaporize solvent
12/07/1999	US5998327 Zinc/metal hexacyanocobaltate complex compounds, a process for their preparation, and their use in a process for the production of polyether polyols
12/07/1999	CA2184252C Process for making monoacetals of hydroquinone
12/02/1999	DE19824019A1 Production of symmetrical dialkyl or dialkenyl ethers useful as cosmetic oils by acid-catalyzed alcohol condensation
12/01/1999	EP0960090A1 Co-production of perfluoromethyl perfluorovinyl ether and perfluoroethyl perfluorovinyl ether
12/01/1999	CN1237150A Process for producing alkoxybutenes
12/01/1999	CN1046933C Method of purifying fluoromethyl-1, 1, 1, 3, 3, 3-hexafluoroisopropyl ether
12/01/1999	CN1046932C Method of purifying fluoromethyl-1, 1, 1, 3, 3, 3-hexafluoroisopropyl ether
11/1999
11/30/1999	US5994601 Process for preparing butene oligomers from Fischer-Tropsch olefins
11/30/1999	US5994595 Production process for (poly)alkylene glycol monoalkyl ether
11/30/1999	US5994594 Process for producing an alpha olefin, a tertiary olefin and/or an ether from an unsaturated hydrocarbon cut
11/30/1999	US5994370 Indene compounds having activity as SERMS
11/25/1999	WO1999059947A1 Process for preparing ethers and esters
11/25/1999	WO1999059941A1 Method for orthometalation of a carbocyclic aromatic derivative bearing at least an electron donor group
11/25/1999	WO1999059718A1 Method and catalyst for the oxidative carbonylation of dienes
11/24/1999	EP0958269A1 Method of preparing monofluoromethyl ethers
11/24/1999	EP0958267A1 Highly branched primary alcohol compositions, and biodegradable detergents made therefrom
11/24/1999	CN1235947A Preparation of olefins
11/23/1999	US5990361 Process for producing ethyl tertiary butyl ether by catalytic distillation
11/23/1999	US5990360 Deetherification in presence of an aluminium silicate catalyst
11/23/1999	US5990359 Process for the production of fluoromethylhexafluoroisopropylether
11/18/1999	DE19822165A1 Process for drying a gas, esp. natural gas
11/18/1999	DE19822035A1 Oxidative carbonylation of diene compounds, useful for production of unsaturated acid esters from butadiene etc.
11/17/1999	EP0907629A4 Method for the preparation of dialkyl ethers
11/17/1999	EP0898555A4 Process for making alkyl ether glycerols
11/17/1999	CN1235149A Synthesis of glycol ethers
11/17/1999	CN1235141A Process for preparing organic compound
11/17/1999	CN1046497C Preparation of tetraglycol
11/17/1999	CN1046428C 化学反应器进料控制 Chemical reactor feed control
11/16/1999	US5986148 Di-isopropyl ether synthesis and dry product recovery
11/16/1999	US5986137 Catalytic allylation of aromatic alcohols or amines
11/16/1999	US5986122 Treatment of polyethers prior to hydrosilylation
11/16/1999	US5985100 Separating high purity butanol and dibutyl ether from mixtures containing butanol, water and dibutyl ether in simple, economical manner
11/10/1999	CN1046260C Glycols having higher primary hydroxyl content
11/09/1999	US5981789 Chlorodenitrating aromatic compounds using less chlorinating agent and lower temperatures, then recycling the product mixture to increase the yield
11/09/1999	US5981754 4-aryl-1-phenylalkyl-1,2,3,6-tetrahydropyridines having neurotrophic and neuroprotective activity
11/04/1999	WO1999055784A1 Novel sizing compounds
11/04/1999	WO1999055652A1 Method for preparing bis(difluoromethyl) ether and trifluoromethane
11/04/1999	WO1999031036A3 O-derivatives of halogenated diphenyl ether compounds
11/03/1999	CN1233622A Polyvinyl ether compound and lubricating oil
11/03/1999	CN1233621A Polyvinyl ether compound and lubricating oil
11/03/1999	CN1233620A Polyvinyl ether compound and lubricating oil
10/1999
10/27/1999	EP0952138A1 Synthesis of glycol ethers
10/27/1999	CN1045952C Method for producing di (fluoro-methyl) ether and difluoromethane
10/26/1999	US5973190 Process and intermediate compounds for the preparation of pesticidal fluoroolefin compounds
10/26/1999	US5973183 Phosphine ligand promoted synthesis of tetraaryloxyalkane
10/26/1999	CA2165888C Process for preparing aromatic olefins
10/25/1999	CA2269950A1 Synthesis of glycol ethers
10/21/1999	WO1999052846A2 Retinyl ethers, derivatives and analogues and inhibition of breast carcinogenesis
10/21/1999	WO1999052840A1 Asymmetric synthesis of 2-aryl-1-substituted butan-2,3-diols
10/21/1999	CA2328727A1 Asymmetric synthesis of 2-aryl-1-substituted butan-2,3-diols
10/20/1999	EP0950649A1 A process for preparing oxyalkylene derivatives in the presence of phosphine oxides
10/20/1999	EP0644175B1 Polyvinyl ether compound and lubricating oil
10/20/1999	CN1232444A Process for producing n-butylalkyl ethers
10/20/1999	CN1232013A Process for preparing 3-methoxy-1-propanol
10/19/1999	US5969193 Reacting liquid mixture of chloromethyl hexafluoroisopropyl ether, hydrogen fluoride, amine, water
10/19/1999	US5969189 Thermal conversion of volatile fatty acid salts to ketones
10/14/1999	WO1999051561A1 New processes for the preparation of 3-bromoanisole and 3-bromonitrobenzene
10/14/1999	WO1999051557A1 Process for the preparation of peroxidation products from a mixed olefin and paraffin feedstock
10/14/1999	DE19815634A1 Verfahren zur Herstellung von 3-Methoxy-1-propanol Process for the preparation of 3-methoxy-1-propanol
10/14/1999	DE19811451C1 Verfahren zur Acetalisierung bzw. Ketalisierung A method for acetalization or ketalization
10/13/1999	EP0949235A2 Process for the preparation of 3-methoxy-1-propanol
10/13/1999	EP0949234A1 Perfluoropropylvinylether purification
10/13/1999	CN1045586C Process for producing chloro-ether
10/13/1999	CN1045585C Production of a high purity ether product
10/13/1999	CN1045516C Pesticide compositions containing neoether
10/12/1999	US5965766 Nucleophilic substitution reactions on triflyl-substitued benzenes carried out in the presence of catalysts; hydroxy-,alkanoyloxy-, formyloxy-, alkoxybenzoic acids as well as hydroxy- and alkoxybenzonitriles
10/07/1999	WO1999050317A1 A solid support based on selenium useful in solid phase synthesis
10/07/1999	WO1999050213A1 Method for producing dialkyl ethers
10/07/1999	WO1999050210A1 Vinylene and ethyl compounds
10/07/1999	DE19814550A1 Vinylen- und Ethylverbindungen Vinylene and ethyl compounds
10/07/1999	DE19814066A1 Verfahren zur Herstellung von Dialkylethern Process for the preparation of dialkyl ethers
10/07/1999	CA2268226A1 Process for preparing 3-methoxy-1-propanol
10/06/1999	EP0946504A1 Compounds useful for perhalogenoalkylation, reagent for implementing these compounds and synthesis method for obtaining these compounds
10/06/1999	EP0946482A1 Method for preparing a 4-hydroxybenzaldehyde and derivatives
10/06/1999	CN1230949A Stabilised monomer composition
10/06/1999	CN1230535A Synthesis process of ethylene glycol monotert-butyl ether
10/06/1999	CN1230534A Refining process of ethylene glycol monotert-butyl ether
10/06/1999	CN1230533A External circulation process to synthesize methyl tert-butyl ether
10/06/1999	CN1045430C Process for refining methyl t-butyl ether
10/05/1999	US5962760 Motor fuel alkylation
10/05/1999	US5962750 Process that involves the optimum etherification of a hydrocarbon fraction that contains olefins that have 6 carbon atoms per molecule
10/05/1999	US5962492 Antiasthma agents; antiinflammatory agents
10/05/1999	US5962483 Antiasthma agents; antiinflammatory agents
09/1999
09/30/1999	DE19813720A1 Verfahren zur Herstellung von Olefinen A process for the production of olefins
09/30/1999	DE19813402A1 Production of vinyl naphthalene derivatives by reacting naphthalene derivative with olefin in presence of palladium complex catalyst
09/30/1999	CA2252298A1 New fluoromonomers and methods of production, and new fluoropolymers produced therefrom
09/29/1999	EP0945421A1 Alkylcyclohexanol-alkylene oxide adduct and preparation process thereof
09/29/1999	EP0945415A1 Process for the preparation of olefins
09/29/1999	EP0944569A1 Polymerizable biaryls, method for the production and use thereof
09/29/1999	EP0944568A1 Method of preparing nonafluoroisobutyl methyl ether
09/29/1999	CN1045285C Combined distillation and permeation process for separation of oxygenated compounds from hydrocarbons
09/28/1999	US5959157 Process for making hydroxy-substituted ethynylated biphenyl compounds
09/28/1999	US5959156 Preparation of polyoxymethylene dimethyl ethers by catalytic conversion of dimethyl ether with formaldehyde formed by oxy-dehydrogenation of dimethyl ether
09/27/1999	CA2264305A1 Preparation of olefins
09/23/1999	WO1999047484A1 Method for carrying out a balanced reaction
09/23/1999	WO1999047480A1 Catalytic process for making hydrofluoroethers

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