| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 02/06/2002 | CN1078876C Process for production of alkyl ether of phenol and catalyst used therein |
| 01/31/2002 | WO2002008166A1 Separation of glycol dialkyl ethers from monoalkyl ether |
| 01/31/2002 | WO2002008164A1 Secondary c10-18 surfactant alcohols |
| 01/31/2002 | US20020013235 Comprises a cyclodextrin or a branched cyclodextrin and a vanillyl alcohol derivative, such as vanillyl-n butyl ether |
| 01/31/2002 | DE10124392A1 Katalysator für die Alkylenoxid-Additionsreaktion Catalyst for the alkylene oxide addition reaction |
| 01/31/2002 | DE10035617A1 Sekundäre C¶1¶¶0¶-C¶1¶¶8¶-Tensidalkohole Secondary C¶1¶¶0¶-C¶1¶¶8¶-surfactant alcohols |
| 01/31/2002 | CA2415715A1 Secondary c10-c18 surfactant alcohols |
| 01/30/2002 | EP1176132A1 Process and apparatus for the etherification of olefins in a hydrocarbon charge and their use |
| 01/30/2002 | EP1175382A1 Method for the dihydroxylation of olefins using transition-metal catalysts |
| 01/30/2002 | EP1175380A1 Preparation of selected fluoroolefins |
| 01/30/2002 | EP1175379A1 Method for the asymmetric dihydroxylation of olefins, using osmium catalysts |
| 01/30/2002 | CN1333742A Process for preparation of 1,4-diaryl-2-fluoro-1,3-butadiene and 1,4-diaryl-2-fluoro-2-butene compounds |
| 01/30/2002 | CN1333741A 1,4-diaryl-2-fluoro-1-buten-3-ol compounds and their use in the preparation of 1,4-diaryl-2-fluoro-1,3-butadiene and 1,4-diaryl-2-fluoro-2-butene compounds |
| 01/30/2002 | CN1078581C Process for preparing acetic acid |
| 01/29/2002 | US6342641 Purified bisphenol a ethoxylates and processes of purifying thereof |
| 01/24/2002 | US20020010378 Vapor phase catalytic oxidation of ethylene; hydrolysis toethylene glycol |
| 01/24/2002 | US20020010374 Continuous process for the preparation of polytrimethylene ether glycol |
| 01/24/2002 | US20020010350 Vapor, liquid fixed bed |
| 01/24/2002 | DE10033958A1 Reactive distillation apparatus for production of ethers from hydrocarbon fractions comprises simultaneous hydrogenation, etherification and distillative separation |
| 01/23/2002 | EP1174408A1 Catalyst for the preparation of dimethyl ether, method of producing catalyst and method of producing dimethyl ether |
| 01/23/2002 | EP1174406A1 Process for continuously producing dialkyl carbonate and diol |
| 01/23/2002 | EP1173397A1 Stereospecific method for preparing 4-hydoxyalk-1-ene compounds |
| 01/23/2002 | EP0970028B1 Method for synthesising aromatically substituted olefins |
| 01/23/2002 | CN1332780A Process for recovery of low molecular weight phenols, furfural, furfuryl alcohol and/or cellulose or cellulose-rich residues |
| 01/23/2002 | CN1332713A Process for making butyl ethers of glycols |
| 01/23/2002 | CN1332141A Direct dimethyl ether synthesizing process with synthetic gas |
| 01/23/2002 | CN1332139A Efficient ring-opening method for ternary nitrogenous or oxygenous small-ring compound |
| 01/23/2002 | CN1078196C Production process for (poly) alkylene glycol monoalkyl ether |
| 01/17/2002 | US20020007090 Ring opening of (R)-propylene oxide with aryltrimethylsilyl ether in the presence of an optically active catalyst; reacting with an alcohol in the presence of an acid; reacting the regioisomeric mixture with a triarylmethyl halile; |
| 01/17/2002 | US20020007089 Heating the feedstream of methanol and formaldehyde with heterogeneous acidic catalyst to form an effluent of condensation comprising water, methanol, methylal and one or polyoxyethylene dimethyl ethers (n=1-10); ion exchanging |
| 01/17/2002 | US20020007043 Production of polytrimethylene ether glycol and copolymers thereof |
| 01/17/2002 | US20020005503 Mixtures; one step |
| 01/16/2002 | EP1171419A1 Biphenyl derivatives as antagonists of the neurokinine-1 receptor |
| 01/16/2002 | EP1171406A1 Method of producing biaryls |
| 01/16/2002 | EP1171212A2 Solvent extraction process |
| 01/16/2002 | CN1331664A Method for producing surfactant alcohols and surfactant alcohol ethers, resulting products and their use |
| 01/16/2002 | CN1331069A Method for preparing alkyl or aryloxy group aldehyde |
| 01/16/2002 | CN1331068A Process for directly synthesizing 2-(4-p-tert-buty/penoxyl) cyclohexanol from epoxy cyclohexane component in light oil as by-product of oxidining cyclohexane |
| 01/16/2002 | CN1077873C Process for preparing tertiary alkyl ethers |
| 01/16/2002 | CN1077809C Catalyst for preparing dimethyl ether from gas containing carbon monoxide and hydrogen and its use |
| 01/15/2002 | US6339176 By reacting 2,3,5,6-tetrafluoro-1,4-benzenedimethanol with an inorganic base in water, adding dimethyl sulfate and a water immiscible organic solvent of either hydrocarbons or ethers to the reaction mixture; insecticides; monomethylation |
| 01/10/2002 | WO2002002493A1 Process for producing tertiary alcohol having adamantane skeleton |
| 01/10/2002 | WO2002002487A1 Process for the preparation of (r)-2-alkyl-3-phenyl-1-propanols |
| 01/10/2002 | WO2002002464A2 Chemical extraction process |
| 01/10/2002 | WO2001036368A3 Metathesis syntheses of pheromones or their components |
| 01/10/2002 | US20020004605 Reacting an alcohol with epichlorohydrin with alkali metal hydroxide and phase transfer catalyst |
| 01/10/2002 | US20020004534 Process for the manufacture in pure form of 1-pentene or an alpha-olefin lower than 1-pentene |
| 01/10/2002 | DE10031755A1 Preparation of enol ethers, useful in e.g. pharmaceutical, agrochemical or cosmetics synthesis or as monomer for polymer, uses alkali alcoholate in polar aprotic solvent in reaction of alcohol with alkyne and/or alkadiene |
| 01/09/2002 | EP1170278A2 Process for the preparation of alkyl- or aryloxyacetaledhydes |
| 01/09/2002 | EP1170275A2 Omega-hydrofluoroalkyl ethers, precursor carboxylic acids and derivatives thereof, and their preparation and application |
| 01/09/2002 | EP1169288A1 Process for the etherification of olefins |
| 01/09/2002 | CN1330058A Method and device for preparing aldehyde acetal and ketal |
| 01/08/2002 | CA2019490C Process for the preparation of phenols |
| 01/05/2002 | CA2352402A1 Process for preparing alkyl- or aryloxyacetaldehydes |
| 01/03/2002 | WO2002000580A1 Alcohol mixtures having 13 and 15 carbon atoms and the use thereof in the preparation of surface-active substances |
| 01/03/2002 | WO2002000574A2 Catalysis using phosphine oxide and sulfoxide compounds |
| 01/03/2002 | WO2001044150A3 Continuous process for the preparation of polytrimethylene ether glycol |
| 01/03/2002 | US20020002317 Flexible preparation of propene and hexene |
| 01/03/2002 | US20020002311 Catalytic etherification of phenol or naphthol compound with ethylene carbonate |
| 01/03/2002 | US20020000366 Stream of liquid stripping component (water), heat from reboiler vaporizes stream, removing vapor stream containing impurities overhead, then removing purified organic product |
| 01/02/2002 | EP1167435A2 Inclusion compounds of vanillyl alcohol derivative in cyclodextrin and compositions containing the same |
| 01/02/2002 | EP1167333A2 Process and manufacturing equipment for preparing acetals and ketals |
| 01/02/2002 | EP1165478A1 Method for synthesizing sevoflurane and an intermediate thereof |
| 01/02/2002 | EP1165477A1 Method for producing alkapolyenyl compounds using certain cocatalysts |
| 01/02/2002 | EP1165467A1 Impurities separation by distillation |
| 01/02/2002 | EP1087922A4 Production of mibk using catalytic distillation technology |
| 12/27/2001 | WO2001098244A1 Method for producing aryl trifluoromethyl ethers |
| 12/27/2001 | WO2001098243A1 Methods for etherifying glycerol, and catalysts for implementing said methods |
| 12/27/2001 | WO2001098241A2 Catalytic dehydroxylation of diols and polyols |
| 12/27/2001 | US20010056213 Reacting a fluorinated ether with amine and hydrogen fluoride |
| 12/27/2001 | US20010056212 Process for production of monoalkyl ethers |
| 12/27/2001 | US20010056194 Useful as chemical intermediate for citalopram which is an antidepressant; pollution control |
| 12/27/2001 | CA2407500A1 Catalytic dehydroxylation of diols and polyols |
| 12/26/2001 | CA2351124A1 Process and manufacturing equipment for preparing acetals and ketals |
| 12/25/2001 | US6333437 Method for purifying a bromine compound |
| 12/20/2001 | WO2001096324A2 Process for operating the epoxidation of ethylene |
| 12/20/2001 | WO2001096269A1 Process for the production of isopropenyl methyl ether |
| 12/20/2001 | WO2001096263A1 Processes for the production of fluorinated organic compounds and fluorinating agents |
| 12/20/2001 | WO2001042391A3 A new family of conducting liquid crystals |
| 12/20/2001 | WO2001041911A3 Process for preparing ether-capped poly(oxyalkylated) alcohol surfactants |
| 12/20/2001 | US20010053852 Process for preparing alkyl- or aryloxyacetaldehydes |
| 12/20/2001 | DE10030090A1 High yield production of aryltrifluoromethyl ethers from the corresponding phenol using specified Lewis acids (eg titanium tetrachloride) as catalysts |
| 12/20/2001 | DE10029599A1 Improved production of unsaturated ethers, especially isopropenylmethylether, by ketalization and ketal pyrolysis with combined extraction of the product streams |
| 12/20/2001 | DE10028638A1 Storage-stable composition useful in cosmetic and pharmaceutical compositions comprises combination of glycerol monoalkyl ether with antioxidant |
| 12/19/2001 | EP1163196A1 Method for producing alcohol surfactants and alcohol ether surfactants, the products obtained and their use |
| 12/13/2001 | WO2001094355A1 Cross-coupling reaction of organosilicon nucleophiles |
| 12/13/2001 | WO2001094286A1 Method for fluoromethylation of alcohols via halogenative decarboxylation |
| 12/13/2001 | WO2001094285A1 Process for preparing unsaturated compounds by pyrolysis |
| 12/13/2001 | WO2001093825A1 Storage-stable compositions of glycerol monoalkyl ethers |
| 12/13/2001 | US20010051753 Fluorovinyl ethers and polymers obtainable therefrom |
| 12/13/2001 | US20010051752 Purity, low alkylphenol or alkylphenol alkylene oxide adduct; hydrogenating alkylene oxide alkylphenol adduct; hydrogenating an alkyl phenol, reacting alkylcyclohexanol; solvent-free, water, and saturated hydrocarbon as solvents |
| 12/13/2001 | DE10028540A1 Re-usable transition metal-phosphine complex catalysts for carbon-carbon (especially Suzuki) bond-forming reactions, are obtained by fixing water-soluble chiral and achiral phosphine-metal complexes on mesoporous carriers |
| 12/13/2001 | CA2410428A1 Method for fluoromethylation of alcohols via halogenative decarboxylation |
| 12/12/2001 | EP0898556B1 A process for the production of hydrofluoroethers |
| 12/12/2001 | EP0748307B1 Skin lightening compositions |
| 12/12/2001 | CN1076013C Process for preparation and tractionation of mixture of dimethyl ether and chloromethane with methanol as extractant |
| 12/11/2001 | US6329555 Preparation of substituted butenes |
| 12/11/2001 | CA2061709C Foam slabstock polyether polyols with improved scorch characteristics |
| 12/06/2001 | WO2001092193A1 Synthetic method for fluoromethylation of halogenated alcohols |
| 12/06/2001 | WO2001092192A1 Synthetic method for the fluoromethylation of alcohols |