Patents
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
04/2004
04/08/2004WO2003062172B1 Integrated process for synthesizing alcohols, ethers, and olefins from alkanes
04/08/2004US20040068146 Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide
04/07/2004EP1405840A1 Solvents containing cycloalkyl alkyl ethers and process for production of the ethers
04/07/2004EP1404779A1 Liquid crystal compounds
04/07/2004EP1404636A1 Integrated process for synthesizing alcohols and ethers from alkanes
04/07/2004EP1131270B1 Process for converting an alcohol to the corresponding fluoride
04/06/2004US6717019 Glycidyl ether-capped acetylenic diol ethoxylate surfactants
04/06/2004US6717001 Process for operating the epoxidation of ethylene
04/01/2004WO2004026939A1 Method for the production of polyetherols
04/01/2004WO2004020378A3 Method of producing glycol ethers
04/01/2004WO2003104168A3 Process and apparatus for catalytic distillations
04/01/2004US20040064002 Method for preparing dimethylether using a membrane reactor for separation and reaction
04/01/2004US20040063985 Bis(alkylthio)carbenium salts
04/01/2004DE10243366A1 Production of alkoxylates useful as emulsifiers, foam regulators or wetting agents comprises using a defined inert gas and ethylene oxide pressure in the induction phase
04/01/2004DE10243362A1 Production of alkoxylates useful as emulsifiers, foam regulators or wetting agents comprises using a binary metal cyanide catalyst and a defined reaction temperature
04/01/2004DE10243361A1 Alkoxylate mixture used in laundry and cleaning detergents for washing and cleaning textiles contains alkoxylates of alkanols with different chain lengths with ethylene oxide and optionally other alkylene oxide(s)
04/01/2004DE10243360A1 New and known 2-propyl-heptan-1-ol alkoxylates, used e.g. in cleaning, coating, adhesive, textile treatment, cosmetic, pharmaceutical or plant protection formulations, contain ethylene oxide and other alkylene oxide groups
03/2004
03/31/2004EP1140741B1 Method for producing surfactant alcohols and surfactant alcohol ethers, the resulting products and their use
03/31/2004EP0958267B1 Highly branched primary alcohol compositions, and biodegradable detergents made therefrom
03/31/2004EP0835858B1 Process for the purification of fluoromethyl-1,1,1,3,3,3-hexafluoroisopropyl ether
03/31/2004CN1486295A Processes for producing fluorinated ester, fluorinated acyl fluoride, and fluorinated vinyl ether
03/31/2004CN1485306A Process for synthesizing methyl catechol by hydrolyzing o-methoxyaniline diazonium salt
03/30/2004US6713656 Reacting from 40 to 75% by weight aqueous glyoxal with monohydric alcohols in the presence of an acid catalyst
03/30/2004US6713655 Integrated process for synthesizing alcohols, ethers, aldehydes, and olefins from alkanes
03/30/2004CA2106769C Process for conducting chemical reactions with formaldehyde
03/25/2004WO2004024323A1 Palladium catalyst composition
03/25/2004US20040059170 Reacting 1,3-butadiene with a telogen such as methanol, using a telomerization catalyst to form a telomer, partially hydrogenating the telomer to form a 1-substituted 2-octene and dissociating it to give 1-octene
03/25/2004US20040059137 Method for producing compounds having a cf2o bridge
03/24/2004CN1142899C Process for preparing citral
03/24/2004CN1142820C Reaction of mixture solution
03/23/2004CA2123693C New thermoplastic fluorocopolymers and the fluoromonomers used for their preparation
03/18/2004WO2004022514A1 Process for preparation of spirofluorenols
03/18/2004DE10242399A1 Catalytic metal oxide preparation of polyetherols, useful as fuel additives, surfactants, in paints, as emulsifying and dispersing agents and in polyurethane synthesis, by reaction of alkylene oxide with starter compound
03/17/2004EP1397413A1 Methods of synthesizing substantially monodispersed mixtures of polymers having polyethylene glycol moieties
03/17/2004CN1142021C Catalyst for preparing dimethyl ether
03/16/2004US6706930 Acylation of a halogenated benzene compound, etherification of etherification of the acylated compound with a halogenated phenol, oxidation of the etherified compound
03/16/2004US6706929 Reacting phenol with dimethyl carbonate in presence of 1,4-diazabicyclo(2.2.2)octane catalyst
03/11/2004WO2004020378A2 Method of producing glycol ethers
03/11/2004US20040049085 DDQ mediated one step dimerisation of beta-asarone or beta-asarone rich acorus calamus oil in the formation of novel neolignan
03/11/2004US20040048936 Minimized size of synthesis gas production reactor
03/10/2004EP1396483A1 Process for producing dimethyl ether
03/10/2004EP1395539A1 A method for isolating phenolic substances or juvabiones from wood comprising knotwood
03/10/2004EP1230200B1 C13 alcohol mixture and functionalised c13 alcohol mixture
03/10/2004CN1481278A Process of preparing fluid rare earth alkoxylation catalyst
03/10/2004CN1480437A Method of low polymerizing isobutene in hydrocarbon stream contg n-butene
03/10/2004CN1141284C Liquid alicylic olefin compound containing ether bond and its peparing process
03/04/2004WO2004018553A2 Methods for preparing ethers, halogenated ethers, fluoroethers as well as uses of the latter in fire extinguishing systems.
03/04/2004WO2004018096A1 Preparation of earth phosphate catalysts from carbonate salts and their use in alkoxylation reactions
03/04/2004WO2003062172A3 Integrated process for synthesizing alcohols, ethers, and olefins from alkanes
03/04/2004WO2003040261A3 Fischer tropsch composition and process
03/04/2004US20040044253 Method of producing glycol ethers
03/04/2004US20040044233 Nucleophilic kinetic resolution of cyclic substrates using silyl azides
03/04/2004US20040044232 Using phthalancarbonitrile compound
03/04/2004US20040043969 Tubulin binding agents and corresponding prodrug constructs
03/04/2004CA2495996A1 Preparation of earth phosphate catalysts from carbonate salts and their use in alkoxylation reactions
03/04/2004CA2489650A1 Methods for preparing ethers, ether compositions, fluoroether fire extinguishing systems, mixtures and methods
03/03/2004EP1394141A1 Preparation of aryl olefins
03/03/2004EP1392631A2 Process for removal of dimethyl ether in the synthesis of sevoflurane
03/03/2004EP1112243B1 Method for the preparation of fatty alcohol alkoxylates
03/03/2004CN1479703A Method for producing compounds having CF2O bridge
03/03/2004CN1140491C Ortho ester-based surfactant, and its preparation and use
03/03/2004CN1140490C Process for preparing halogeno-hydroxyl compound
03/03/2004CN1140489C Single-step method for producing glycol monoethers from olefine
03/03/2004CN1140488C Method of preparing fluoromethyl ethers
03/02/2004US6699511 Isolation of inositol from carob extracts; obtain carob, expose to chhromatographic column, recover inositol
02/2004
02/26/2004WO2003031381A3 Synthesis of (z)-3,5,4'-trimethoxystilbene, and use thereof
02/26/2004US20040039235 Hydrophobic and hydrophilic parts are connected by ortho ester linkages to the molecule; suitable for use as emulsifiers or dispersants
02/26/2004US20040039076 Reacting rare earth carbonates with a source of phosphate; increased activity for alkoxylation of organic compounds
02/26/2004US20040035293 Melt point is < 100 degrees c; provides distinct selectivities and reactivities because they are made of ions rather than molecules
02/26/2004US20040035251 Chemical process
02/26/2004DE10236918A1 Production of alkyl phenyl carbinol for use in perfumery involves hydrogenation of alkyl phenyl ketone in presence of a nickel catalyst and a basic additive
02/25/2004EP1390340A1 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds
02/25/2004EP1390332A1 Uncatalysed addition reactions
02/25/2004EP0873301B1 Indane compounds with smooth muscle relaxing and/or mast cell stabilising and/or anti-inflammatory activity
02/25/2004CN1477090A Method for synthesizing dimethyl ether by adopting biomass indirect liquification one-step process
02/25/2004CN1139565C Process for producing halogeno-o-hydroxydiphenyl compounds
02/25/2004CN1139418C Apparatus and method for forming mixed multiple component steam
02/19/2004WO2004014550A2 Novel nickel-carbene, palladium-carbene and platinum-carbene complexes, their production and use in catalytic reactions
02/19/2004WO2002036534A3 Processes for preparing linear polyglycerols and polyglycerol esters
02/19/2004US20040034260 Oxidative halogenation of aromatic compound
02/19/2004US20040034255 Process for producing dimethyl ether
02/18/2004EP1087921B1 Anti-aging agent for glycols or glycol ethers
02/18/2004CN1475471A 1-aryl-2 perluoro or polyfluoro phenyl ethylene and its derirative, its synthesis and application
02/18/2004CN1138741C Synthesis of glycol ethers
02/18/2004CN1138740C Process for preparation of poly alkylidenje dialcohol mono alkyl ether
02/18/2004CN1138739C Method for etherifying between molecules
02/18/2004CN1138735C Process and intermediate compounds for preparation of pesticidal fluoroolefin compounds
02/17/2004US6693210 Triphenylphosphine derivative, production process therefor, palladium complex thereof, and process for producing biaryl derivative
02/12/2004WO2004013076A1 Process for preparing aryl allyl ethers
02/12/2004WO2002100803A3 Method for telomerizing non-cyclic olefins
02/12/2004US20040030200 Alcohol mixtures having 13 and 15 carbon atoms and the use thereof in the preparation of surface-active substances
02/12/2004US20040030197 Process for the synthesis of phenols from arenes
02/12/2004US20040030193 Production of 3-alkylcycloalkanols
02/12/2004US20040030146 Fluorination an olefin
02/11/2004EP1388554A2 Hydrofluoroethers having at least one hydrogenated -OCFX'CH3 end group wherein X'=F, CF3 and their preparation process
02/11/2004EP1388531A1 Process for preparing fluorohalogenethers
02/11/2004EP1388528A1 Process for the oligomerisation of isobutene contained in hydrocarbon streams containing n-butene
02/11/2004EP1019349B1 Preparation of polyoxyalkylene ether surfactant compositions
02/11/2004CN1473809A Di-ether usedin preparation of Ziegler-Natta catalyst
02/10/2004US6689920 Bifunctional biphenyl and process for producing bifunctional phenylene ether oligomer compound using the same
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