Patents
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
06/2002
06/12/2002CN1353684A Ether compounds, compositions, and uses thereof
06/12/2002CN1353683A Method for producing alkapolyenyl compounds using certain cocatalysts
06/11/2002US6403843 Reduction of 3,4-dimethoxyacetophenone with hydrogen under aqueous conditions using a raney nickel catalyst; high yield; product crystals can be easily filtered
06/11/2002US6403842 Processes for producing poly(alkylene ether) glycol
06/11/2002US6403841 Oxidation of methanol in the presence of an antimony-rhenium oxide catalyst; high selectivity for dimethoxymethane
06/11/2002US6403840 Process for synthesizing olefin oxides
06/11/2002US6403802 Use of catalyst system comprising nickel, palladium, or platinum and imidazoline-2-ylidene or imidazolidine-2-ylidene in amination reactions
06/06/2002WO2002044119A2 Synthesis of 2-aryl-1-naphthol derivatives via a tandem palladium catalyzed arylation and dehydrogenation
06/06/2002WO2002044118A1 Process for producing acetal
06/06/2002WO2002043861A1 Novel antimony catalyst compositions
06/06/2002WO2002002464A3 Chemical extraction process
06/06/2002DE10054462A1 Preparation of polyalcoholates (polyether alcoholates) useful in the preparation of polyurethanes comprises a series of processes
06/05/2002CN1351987A One-step cooling condensation and separation process for preparing dimethyl ether from synthetic raw material gas
06/05/2002CN1351986A Absorption process for directly preparing dimethyl ether and methanol water solution from synthetic raw material gas
06/04/2002US6399835 Process for electrophilic aromatic substitution
06/04/2002US6399767 Intermediates for the synthesis of vitamin D and steroid derivatives and process for preparation thereof
05/2002
05/30/2002WO2002042356A1 Method for processing polyether alcohols
05/30/2002WO2002022537A3 Method for producing benzyl derivatives of 2-butene-1,4 diols
05/30/2002US20020065438 Process for making butyl ethers of glycols
05/29/2002EP1209154A1 Preparation of monofluoroalkenes
05/29/2002EP1209142A1 Preparation of new layered double hydroxides exchanged with osmate for asymmetric dihydroxylation of olefins to vicinal diols
05/29/2002EP1208070A1 Diolefin/hydroxyaryl condensates and catalyst therefor
05/29/2002EP0964857B1 Process for the manufacture of epoxy compounds
05/29/2002CN1351002A Preparation of 3-L-mentha oxygen propane-1,2-diol
05/29/2002CN1085648C Light hydrocarbon etherifying technology
05/29/2002CN1085647C Preparation of fuel grade dimethyl ether
05/28/2002US6395939 Catalytic etherification and condensation with copper catalysts
05/28/2002US6395920 Obtaining 2-substituted and 2,2- disubstituted acetals of malondialdehyde from ortho formates and substituted vinyl ethers in the presence of an acidic catalyst
05/28/2002US6395916 Amine, phosphine ligands
05/28/2002US6395914 Process for preparing acetals of malondialdehyde
05/28/2002US6395910 Useful as chemical intermediate for citalopram which is an antidepressant; pollution control
05/28/2002US6395689 Terpene ethers and their use
05/23/2002WO2002040459A1 Preparation of monofluoroalkenes
05/23/2002WO2002040102A2 Fire extinguishing methods utilizing hydrofluoroethers
05/23/2002WO2001042179A9 Compounds which mimic the chemical and biological properties of discodermolide
05/23/2002US20020062049 Process and intermediate compounds for the preparation of pesticidal fluoroolefin compounds
05/23/2002US20020062046 Alkylation and acylation reactions
05/23/2002US20020062027 Catalysts for asymmetric addition reactions, for example of hydrogen, to prochiral unsaturated organic compounds.
05/23/2002US20020061984 Process for the preparation of orthocarbonates
05/23/2002DE10057892A1 Verfahren zur Aufarbeitung von Polyethermonoolen Process for working up polyether monools
05/23/2002DE10057891A1 Working up polyether-polyol from ring-opening polymerization of epoxide on hydroxy starter in presence of heterogeneous catalyst involves removing the catalyst by a membrane separation process
05/23/2002DE10057198A1 Verfahren zur Herstellung von Orthokohlensäureester Process for the preparation of ortho-carbonic acid ester
05/23/2002CA2428820A1 Fire extinguishing methods utilizing hydrofluoroethers
05/22/2002EP1207147A1 Process for the preparation of orthocarbonate esters
05/22/2002EP1206318A1 Perfluorosulfonylmethide compounds; use thereof for carbon-carbon bond formation
05/22/2002CN1350512A Method of preparing surface-active alcohols and surface-active alcoholic ethers, products obtained by said method and their use
05/22/2002CN1349964A Method for preparing high purity raffinute II and methyl tert-butyl ether
05/21/2002US6392111 Reacting aromatic compound with olefin
05/21/2002US6392102 Preparation of polyoxymethylene dimethyl ethers by catalytic conversion of formaldehyde formed by oxidation of dimethyl ether
05/21/2002US6392064 Method of synthesizing glycidyl ether compounds in the absence of water and organic solvents
05/21/2002US6391820 Bi-metallic-cyanide catalysts used for preparing polyether polyols
05/16/2002WO2002038269A1 An alkoxylenation catalyst and a method to manufacture the alkoxylenation catalyst
05/16/2002WO2001046093A3 Process for producing a fluoride compound
05/16/2002US20020058781 Processes for preparing linear polyglycerols and polyglycerol esters
05/16/2002US20020058660 For control of insect and acarid pests
05/16/2002US20020056633 Preparation and use of ionic liquids in microwave-assisted chemical transformations
05/16/2002DE10054085A1 Preparation of hydroxyl-containing polyetherols used in polyurethane production comprises catalytically alkoxylating a hydroxyl-containing compound
05/15/2002EP1204627A1 Branched, largely unsaturated fatty alcohol polyglycolethers
05/15/2002EP1204626A1 Ether compounds, compositions, and uses thereof
05/15/2002CN1349484A Process for producing tetrafluoro benzenemethanols
05/15/2002CN1348946A Method of preparing P-hydroxy methylphenyl ether with P-amino methylphenyl ether
05/15/2002CN1348945A Ether product producing process
05/15/2002CN1348941A Combined technological and comprehensive utilizing method in C5 prodn. splitting process
05/14/2002US6388139 Production of perfluoro (alkyl vinyl) ethers
05/14/2002US6387033 Preparation of new layered double hydroxides exchanged with osmate for asymmetric dihydroxylation of olefins to vicinal diols
05/14/2002CA2057251C Alkoxylation process catalyzed by sodium- or potassium barium phosphate
05/10/2002WO2002036534A2 Processes for preparing linear polyglycerols and polyglycerol esters
05/10/2002WO2002036533A1 Monomers having electron-withdrawing groups and processes for preparing the same
05/10/2002CA2427854A1 Processes for preparing linear polyglycerols and polyglycerol esters
05/09/2002US20020055662 Fluorinating a substrate selected from unsubstituted aromatic compounds and aromatic compounds having electron withdrawing substituent(s) comprises contacting substrate with a tri(halo or trifluoromethyl) substituted N-fluorotriazinium salt
05/09/2002US20020055654 Method for producing benzyl derivitives of 2-butene-1,4 diols
05/08/2002EP1203759A1 Medium oil for slurry process and process for producing dimethyl ether
05/08/2002EP1202948A1 Processes for the preparation of 2-arylvinyl alkyl ether and 1,4-diaryl-2-fluoro-2-butene compounds
05/08/2002CN1347864A Synthesis of phenylate alcohol compounds
05/07/2002US6384273 Method for orthometalation of a carbocyclic aromatic derivative bearing at least an electron donor group
05/07/2002US6384216 Purification of alkenyl compounds
05/07/2002US6383970 Metal acid catalyst
05/02/2002WO2002000574A3 Catalysis using phosphine oxide and sulfoxide compounds
05/02/2002US20020052530 Such as 3-(N-1-indanylamino)-indan-1-one 3-(N-1-indanylamino) indan-1-one formed by reacting amino-indane compound with bromo-indanone compound in presence of triethyleneamine
05/02/2002EP1201655A2 Process for the preparation of non-steroidal glucocorticoid receptor modulators
05/02/2002EP1201635A1 Process for producing 3-l-menthoxypropane-1,2-diol
05/02/2002EP1201634A1 Process of telomerizing conjugated dienes
05/02/2002EP1201628A1 Electrophilic fluorination
05/02/2002EP1201627A1 Ring fluorination of non-activated aromatic compounds
05/02/2002DE10102082A1 Verfahren zur Herstellung von hochreinem Raffinat II und Methyl-tert.-butylether A process for the production of high purity raffinate II and methyl tert-butyl ether
04/2002
04/30/2002US6380440 Reacting nitrobenzene with bromine in oleum forming 3-bromonitrobenzene; phase transfer catalyst
04/30/2002US6380439 Using catalyst mixture containing molybdenum compound
04/30/2002US6379588 Stabilized monomer composition
04/30/2002US6379507 Catalytic reaction of methanol, formaldehyde and water, distillation
04/25/2002US20020049359 Production of alkylated aromatic compounds using dealuminated catalysts
04/25/2002DE10051316A1 Verfahren zur Herstellung von mono-, bi- oder polyfunktionellen Biarylen Process for the preparation of mono-, bi- or polyfunctional biaryls
04/24/2002EP1199296A1 Process for the preparation of highly pure raffinate II and methyl tert-butyl ether
04/24/2002EP1199292A1 Process for the production of mono-, bi- or polyfunctional biaryls
04/23/2002US6376721 Catalytic etherification; narroe molecular weight distribution
04/23/2002CA2358617A1 Process for producing 3-l-menthoxypropane-1,2-diol
04/19/2002CA2359442A1 Process for preparing highly pure raffinate ii and methyl tert-butyl ether
04/18/2002WO2002030852A1 Oxidative halogenation of aromatic compound
04/18/2002US20020045770 Production method of 5-phthalancarbonitrile compound, intermediate therefor and production method of the intermediate
04/18/2002CA2425063A1 Oxidative halogenation of aromatic compound
04/17/2002EP1197482A1 Process for the preparation of 3-alkoxypropanol
1 ... 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 ... 173