Patents
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
07/2006
07/26/2006CN1266104C Process for preparing (z)-3'-hydroxy-3,4,4',5-tetranetgixy diphenyl ethylene
07/26/2006CN1266103C Method of producing reduced coenzyme Q10
07/26/2006CN1266102C Method of reduced coenzyme Q sb 10 /sb crystallizing in aqueous solution
07/26/2006CN1266101C Method of producing reduced coenzyme Q10 crystals with excellent handling properties
07/26/2006CN1266099C 1-aryl-2 perluoro or polyfluoro phenyl ethylene and its derivative, its synthesis and application
07/20/2006WO2006076324A2 Synthesis of fluorinated ethers
07/20/2006WO2006076023A2 Method of generating hydrocarbon reagents from diesel, natural gas and other logistical fuels
07/20/2006WO2006075954A1 Water and solvent free process for alkoxylation
07/20/2006WO2006075596A1 Method for producing 2-allylcarboxylic acid compound
07/20/2006US20060160982 Process for the production of bifunctional phenylene ether oligomers
07/20/2006DE102005001076A1 Gleichgewichtsreaktion und Gas/Flüssigreaktion im Schlaufenreaktor Equilibrium reaction and gas / liquid reaction in the loop reactor
07/19/2006EP1680382A1 Diastereoselective method of preparing olefins by means of the horner-wadsworth-emmons reaction using a particular phosphonate which improves diastereoselectivity at all temperatures including at ambient temperature
07/19/2006EP1451133A4 P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions
07/19/2006CN1805688A Treatment of cancer with active vitamin D compounds in combination with radiotherapeutic agents and treatments
07/19/2006CN1803748A Process for preparing dimethyl ether
07/18/2006US7078570 Substituted cyclohexenes
07/18/2006US7078465 Reacting paraformaldehyde with hydrogen bromide to form bis-bromomethyl ether as chemical intermediates; reacting biphenyl to form 4,4'-bis-(bromomethyl)-biphenyl, futher reacting with triethylphosphite to form 4,4'-bis-(diethylphosphonomethyl)-biphenyl; less hazardous, two stage processes
07/18/2006CA2218232C Process for preparing o-alkylfluorobenzenes
07/13/2006WO2006073124A1 Process for producing aromatic iodine compound
07/13/2006US20060155152 Equilibrium reaction and gas/liquid reaction in a loop reactor
07/13/2006US20060155151 Continuous process and system of producing polyether polyols
07/13/2006US20060151310 via low boiling and high boiling fractions
07/12/2006CN1802340A Method for the distilling separation of a mixture containing vinyl ether and alcohol
07/12/2006CN1802338A Method of removing hexafluoropropylene dimers
07/12/2006CN1800131A 2,3,4,5-tetramethoxyl toluene synthesis method
07/12/2006CN1800130A Beta-asaricin refining method
07/12/2006CN1800129A 2-alkoxy propone synthesis process
07/12/2006CN1800128A Para-(2-methoxyl) ethylphenol synthesis method
07/12/2006CN1263721C Synthesis method of long carbon chain alkyl diphenyl ether/long carbon chain alkyl substituted diphenyl ether
07/12/2006CN1263719C Method for production of aryl alkyl ethers
07/12/2006CN1263447C Stable solution of reduced coenzyme Q
07/11/2006US7074972 Secondary C10-C18 surfactant alcohols
07/11/2006US7074971 Recovery of ethylene and propylene from a methanol to olefin reaction system
07/11/2006US7074970 Process for producing vinyl ether compounds
07/11/2006US7074969 by acid catalyzed polycondensation of a diol (1,3-propanediol), purification, neutralization with a water-insoluble base (calcium hydroxide) and contacting with filter aid (diatomite, perlite and cellulose); avoids hydrolysis and yet provides product substantially free of catalyst derived end groups
07/11/2006US7074968 Continuous process for the preparation of polytrimethylene ether glycol
07/08/2006CA2529107A1 Equilibrium reaction and gas/liquid reaction in a loop reactor
07/06/2006WO2006069533A1 Desmosdumotins, their manufactures and use as antitumor and anti-aids agent
07/06/2006US20060148664 Alkoxylate mixture and its use as a cleaning agent for hard surfaces
07/05/2006EP1583729A4 Method of purifying reduced coenzyme q
07/05/2006CN1798722A Method for producing fluoroalkyl ether
07/04/2006US7071272 Method for preparing unsaturated compound by pyrolysis reaction
07/04/2006CA2197109C Hydrogenation of aromatic compounds in which at least one hydroxyl group is bonded to an aromatic ring
06/2006
06/29/2006WO2006066436A1 Cyclopropanation process
06/29/2006US20060142543 polymerizing tetrahydrofuran in the presence of at least one telogen (acetic anhydride) and/or comonomer and of an acidic heterogeneous catalyst based on activated sheet silicates or mixed metal oxides in a fluidized bed; high space-time yield with simple catalyst removal
06/29/2006US20060142252 Tubulin binding agents and corresponding prodrug constructs
06/28/2006CN1795157A Separation of a diacetal of glyoxal by means of counter-current liquid-liquid extraction
06/28/2006CN1795156A Selective dimethylether recovery and recycle in a methanol-to-olefin process
06/28/2006CN1793097A Process for preparing polymeric formal
06/28/2006CN1792446A Catalyst for oxo-synthesis of dimethyl ether to produce methylal, prepn. method and application thereof
06/28/2006CN1261398C Fluorinated diene compound containing fluoropolymer, and methods for their production
06/28/2006CN1261397C Preparation of diacetal of glyoxal
06/27/2006US7067690 contacting a liquid mixture of specific diastereoisomers containing two asymmetric carbon atoms with a Lewis acid compound in an amount that is not enough to co-ordinate the total isomer content to form a coordinated reaction product that can be separated from the liquid
06/22/2006WO2006064897A1 Process for producing 2-alkoxyethyl bromide
06/22/2006US20060135824 Forming alkoxylated alcohols using organometallic catalyst complex; forming polyurethane foam
06/22/2006US20060135823 Process for preparing dimethylether from methanol
06/22/2006DE102004059334A1 Verfahren zur Herstellung von Acetalen A process for preparing acetals
06/21/2006EP1396483B1 Process for producing dimethyl ether
06/21/2006EP0784648B1 Continuous bromination process and products thereof
06/21/2006CN1260272C Process for purification of crude polyether and adsorbent
06/21/2006CN1260190C Method for producing 1-olefins using palladium-carbene compounds
06/20/2006US7064238 passing an alkane gas over fixed bed containing higher valence bromide salt to produce alkyl bromide, hydrobromic acid, and lower valence bromide salt, then passing over second fixed bed containing transition metal oxide
06/20/2006US7064226 Acid catalysts, cation exchangers
06/20/2006CA2259183C Fluorous reaction and separation systems
06/20/2006CA2135480C Trisubstituted phenyl derivatives as phosphodiesterase inhibitors and processes for their preparation
06/15/2006WO2006061231A1 Method for the production of acetals
06/15/2006US20060128915 Process for producing fluorinated alkyl ether
06/15/2006US20060124443 Control and monitoring of non-resonant radiation-induced nucleation, crystallization, and polymorph formation
06/14/2006EP1187798B1 PRODUCTION OF OPTICALLY ACTIVE $g(a)-HYDROXYACETALS
06/14/2006CN1785519A Preparation method of catalyst used for synthesizing dimethylether by biomass base synthetic gas one step method
06/14/2006CN1259297C Process of producing dimethyl ether liquefied gas by methanol
06/14/2006CN1259296C Method for directly preparing dimethyl ether from synthesis gas
06/13/2006US7060865 Recovery of C4 olefins from a product stream comprising C4 olefins, dimethyl ether and C5+ hydrocarbons
06/08/2006US20060122444 Oligomerizing the isobutenic C4 streams over an acidic catalyst to give butene oligomers, etherifying the remaining isobutene with an alcohol under acidic catalysis to give tert-butyl ethers
06/08/2006US20060122437 Process for the preparation of alkylene glycols
06/08/2006US20060122398 Novel nickel-carbene, palladium-carbene and platinum-carbene complexes, their produciton and use in catalytic reactions
06/08/2006US20060120953 Method for preparing synthesis gas, method for preparing dimethyl ether using synthesis gas, and furnace for preparing synthesis gas
06/07/2006EP1666445A1 Reduced coenzyme q sb 10 /sb crystal excelling in stability and composition containing reduced coenzyme q10 crystal
06/07/2006EP1663929A2 Process for the synthesis of 3-(3-fluoro-4-hydroxyphenyl)-7-hydroxynaphthonitrile
06/07/2006EP1663928A1 Preparation of an alkoxylate composition
06/07/2006EP1663922A2 Method of removing hexafluoropropylene dimers
06/07/2006EP1663914A2 Method for forming a carbon-carbon or carbon-heteroatom bond
06/07/2006EP1663483A1 Catalyst for dimethyl ether synthesis and its preparation methods
06/07/2006EP1358142B1 Process for alkoxylation with a boron-containing catalyst
06/07/2006CN1258508C Aldehyde acetal preparation method
06/07/2006CN1258507C C10-alkanolalkoxylate mixtures and the use thereof
06/06/2006US7057082 Process for the telomerization of a conjugated diene, catalyst and bidentate ligand useful therein
06/06/2006US7057055 Process for preparing a deuterated or tritiated compound
06/01/2006US20060116534 Process for manufacture of an allyl ether
05/2006
05/31/2006EP1661918A1 Method for producing compound having acid-labile group
05/31/2006EP1660426A1 Method for processing compositions containing 1,1,2,2-tetramethoxyethane and glyoxal dimethyl acetal
05/31/2006EP1660419A1 Method and apparatus for synthesizing olefins, alcohols, ethers, and aldehydes
05/31/2006CN1780804A Continuous method for producing methyl vinyl ether
05/31/2006CN1780803A Method of synthesizing etbe with hydrous ethanol
05/31/2006CN1780680A Processes for recovering oligomers of glycols and polymerization catalyst from waste streams
05/31/2006CN1778783A Production of 4,4'-di(2-methoxyl-styrene) biphenyl
05/31/2006CN1257873C Method for synthesizing linear alkyl diphenyl ether
05/31/2006CN1257870C Method for producing toluol derivatives
05/30/2006US7053237 Process for producing a fluorinated ester, a fluorinated acyl fluoride and a fluorinated vinyl ether
05/26/2006WO2006055749A1 Process for production of 1,2,2,2-tetrafluoro ethyl difluoro methyl ether
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