Patents
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
09/2007
09/13/2007DE102006010923A1 Verfahren zur Herstellung von Chlor-1,4-dimethoxybenzol Process for the preparation of chloro-1,4-dimethoxybenzene
09/12/2007EP1832617A2 Polyfunctional phenylene ether oligomer, derivative thereof, resin composition containing the same, and use thereof
09/12/2007EP1832570A2 Novel Phase Change solvents
09/12/2007EP1832568A1 Method for manufacturing chlor-1,4-dimethoxybenzene
09/12/2007EP1663928B1 Preparation of an alkoxylate composition
09/12/2007EP1514861B1 Process for producing allyl ether
09/12/2007EP1259503B1 Producing liquid crystals with cf2o bond
09/12/2007CN101035751A Extract of: pholidota chinesis lindl, the preparation method and its use in preparing pharmaceutical
09/12/2007CN101033427A Dimethyl ether prepared from marsh gas and preparing method for the same
09/12/2007CN101033292A Method for manufacturing long chain polyalkylenglycol diethers
09/12/2007CN101033177A Method of synthesizing 2-ethoxy-phenol
09/12/2007CN101033176A Method of synthesizing phenetole
09/12/2007CN101033170A Process for dewatering of ethanol
09/12/2007CN101033164A Method of directly preparing alkane iodide by one-pot method
09/12/2007CN100336589C Catalyst for preparing dimethyl ether from synthetic gas by one step
09/11/2007US7268260 Fluorine-containing bisphenols, their preparation, their precursors and intermediates, and use of the fluorine-containing bisphenols
09/11/2007US7268252 For the optical resolution of amino acids or amino alcohols and for the optical transformation of D, L-forms of amino acids using the same
09/11/2007US7268233 Nickel-carbene, palladium-carbene and platinum-carbene complexes, their production and use in catalytic reactions
09/07/2007WO2007100080A1 Method of deuterizing benzyl-position in -o-benzyl group
09/06/2007DE102005062699A1 Verfahren zur Feinreinigung von 1-Buten-haltigen Strömen Process for fine purification of 1-butene containing streams
09/05/2007EP1828099A1 Synthetic process for aminocyclohexyl ether compounds
09/05/2007EP1828087A1 Cyclopropanation process
09/05/2007EP1827678A1 Method and apparatus for performing micro-scale chemical reactions
09/05/2007EP1562883B1 Purification of methyl tertiary butyl ether
09/05/2007CN100335454C Dphenylacetylene derivative and its preparation method and uses
09/05/2007CN100335453C Preparation process for polycinnamic alcohol
08/2007
08/30/2007WO2007097719A1 Cyclisation process of forming a multiple ring compound
08/30/2007WO2007096367A2 Process of forming a polyol
08/30/2007WO2007096317A1 Process of forming a polyol
08/30/2007US20070203369 Process for preparing ethyl tert-butyl ether from technical mixtures of c4 hydrocarbons
08/30/2007US20070203368 Preparing perfluorovinyl ethers, such as trifluoromethyl trifluorovinyl ether by fluorination of tetrachloromethylene;dechlorination of symetrical perfluorovinyletherstetrachlorodifluoroethane; reacting witha hypofluorite to obtain trifluoromethyl trichlorotrifluoro ether;dechlorination; efficiency
08/30/2007US20070203367 Polyetherpolyol having stereoregularity and method of preparing the same
08/29/2007EP1826196A2 Vinyl ether compounds
08/29/2007EP1826193A1 Process for dewatering of ethanol
08/29/2007EP1824953A1 Alkoxy surfactants having increased cloud points and methods of making the same
08/29/2007EP1824807A1 Method for the production of acetals
08/29/2007CN101024601A Novel method for producing industrially batyl alcohol
08/29/2007CN101024191A Acetal gas-phase decomposition catalyst and preparing method
08/29/2007CN101024165A Novel gamma aluminium oxide catalyst and producing technology
08/29/2007CN100334074C Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives
08/29/2007CN100334055C Novel norbornane and norbornene derivatives, use thereof and perfumed products containing same
08/29/2007CN100334054C 2-alkoxy propone synthesis process
08/29/2007CN100334053C Continuous method for producing methyl vinyl ether
08/28/2007US7262315 For silylation, hydrosilylation, amination, aldol condensations, and cyclization
08/23/2007WO2007094313A1 Process for production of 2-(substituted phenyl)-3,3,3-trifluoropropene compound
08/23/2007WO2007094211A1 Process for production of carboxylic acid ester or ether compound
08/23/2007WO2007094159A1 Liquid-crystalline styryl derivative, process for producing the same, and liquid-crystalline semiconductor element employing the same
08/23/2007US20070194468 Method of preparing organomagnesium compounds
08/22/2007CN1332916C Process of removing contaminants from an olefin stream using extractive distillation
08/22/2007CN101020624A Isopropyl ether recovering system
08/22/2007CN101020623A Electrically catalyzed process of preparing green fuel dimethyl ether with coarse ethanol product in hydrated proton reactor
08/22/2007CN101020622A Phrcess of coproducing methyl tert-butyl ether and tert-butyl alcohol
08/16/2007WO2007092407A2 Process for preparing polyglycerol and mixed ethers
08/16/2007WO2007076392A3 A method for reusing rhenium from a donor spent epoxidation catalyst
08/16/2007WO2007076390A3 A process for preparing a rejuvenated epoxidation catalyst
08/16/2007US20070191646 Reacting n-butyl aldehyde and formaldehyde in the presence of a basic catalyst to obtain a reaction product solution, extracting solution with an organic extractant to obtain an extract, distilling extract to separate trimethylolpropane as a distillate, adding solvent, single crystallization
08/16/2007DE102006060352A1 Verfahren zur Herstellung eines Olefinoxids oder einer Chemikalie, die von einem Olefinoxid ableitbar ist A process for preparing an olefin oxide or a chemical that is derivable from a olefin oxide
08/15/2007EP1818323A2 Process for the preparation of unsymmetric alkoxylated mixed ethers
08/15/2007CN1331834C 3,3'-dimethoxy-4,4'-dibromo-6,6'-diiodobiphenyl and its synthesis method
08/15/2007CN1331833C Process for preparing dimethyl ether
08/15/2007CN1331832C Production method of non-convertible combined methanol and dimethyl ether from coke oven gas
08/15/2007CN101018754A Method for the production of 2,7-octadienyl derivatives
08/15/2007CN101016377A Method of synthesizing polyethylene glycol perfluoroolefin ether
08/15/2007CN101016376A Method of synthesizing polyethylene glycol perfluoroolefin methyl ether
08/15/2007CN101016232A Synthetic method for bipentaerythritol
08/15/2007CN101016231A Method for preparing dimethyl ether by dehydration of methanol
08/14/2007US7256317 subjecting olefin mixture to metathesis, separating olefins, dimerizing, derivatizing (via hydroformylation) after fractionation, then alkoxylating;
08/09/2007WO2007089025A1 Method for producing optically active alcohol compound
08/09/2007WO2007089022A1 Method for producing optically active alcohol compound
08/09/2007WO2007069266A3 A novel process for the synthesis of bisodprolol and its intermediate
08/09/2007US20070185355 Method for producing fluorine-containing halide
08/09/2007US20070185353 Method for producing alkylene glycol diethers
08/08/2007EP1816115A2 Method for producing glycidiyl ether
08/08/2007CN1330621C Method for preparing high purity raffinute II and methyl tert-butyl ether
08/08/2007CN1330620C Process for synthesizing 2-alkoxy propylene
08/08/2007CN101014559A Method for the telomerization of non-cyclic olefins
08/08/2007CN101014556A Zone reactor
08/08/2007CN101012159A Method of preparing alpha-asarone
08/08/2007CN101012158A Method of preparing alkenyl ether by gas phase decomposing acetal or ketal
08/08/2007CN101012157A Method of preparing p-bromophenyl ether
08/08/2007CN101012156A Process of preparing dipentaerythritol and/or tripentaerythritol
08/02/2007WO2007086496A1 METHOD FOR PRODUCING α,β-UNSATURATED ETHER
08/02/2007WO2007086471A1 Process for production of lasofoxifene or analogue thereof
08/02/2007WO2007085321A1 Method for the elimination of metal complex catalysts from telomerization mixtures
08/02/2007CA2640338A1 Process for separating metal complex catalysts from telomerization mixtures
08/01/2007EP1813588A1 Process for the preparation of ethyl tert-butyl ether from C4-hydrocarbon cuts
08/01/2007EP1812368A2 Method for the preparation of sevoflurane
08/01/2007EP1812367A1 Process for production of 1,2,2,2-tetrafluoro ethyl difluoro methyl ether
08/01/2007EP1301168B1 Storage-stable compositions of glycerol monoalkyl ethers
08/01/2007CN2928846Y Single tube baffle type methanol dewatering reactor with air split box
08/01/2007CN1329365C Indanes and indanones and their use in perfumery
08/01/2007CN1329359C Ether compounds, compositions, and uses thereof
08/01/2007CN1329026C Pharmaceutical composition comprising (-)-secoisolariciresinol
08/01/2007CN101010275A Method for the telomerization of non-cyclic olefins
08/01/2007CN101010274A Polyglycerol monoethers and process for producing the same
08/01/2007CN101007758A Crystallized mother liquor recovery process during anti-oxidant production process
08/01/2007CN101007754A Homotriptycene analog compound and its preparing process
08/01/2007CN101007753A Clean production method for clorafin combined production of chloromethyl ether
07/2007
07/31/2007US7250528 From an alpha-substituted cinnamic aldehyde derivative such as an acetal or an acylal, promoted by strong mineral acids, sulfonic acids, acidic zeolites or Lewis acids; use as perfume
07/31/2007CA2152511C Method for purifying a glycol solution
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