| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 05/28/2003 | CN1420805A Phosphorous-aluminium-mixed oxide catalyst, process for its preparation and use thereof |
| 05/27/2003 | US6570020 Reacting 2-(3,3,3-trifluoropropyl),2-hydroxy,4a-benzyl-7-carboxy-1,2,3,4,4a,9,10,10a -octahydrophenanthrene with 2-methyl-3-(aminomethyl)pyridine to form the corresponding pyridyl-substituted amide at position 7 |
| 05/27/2003 | US6570010 Inclusion compounds of vanillyl alcohol derivative in cyclodextrin and compositions containing the same |
| 05/22/2003 | WO2003042135A2 P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions |
| 05/22/2003 | US20030096996 Process for producing organotitanium compound and process for addition reaction |
| 05/22/2003 | CA2466449A1 P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions |
| 05/21/2003 | EP1027316B1 Synthesis of aryl ethers, methods and reagents related thereto |
| 05/21/2003 | EP1000005B1 Process for the preparation of 1-(3,4-dimethoxyphenyl)ethanol |
| 05/21/2003 | EP0994838B1 Method for etherifying a benzyl alcohol, resulting products and applications |
| 05/21/2003 | CN1109011C Composite acidic process dewatering and catalyzing process to produce dimethyl ether |
| 05/20/2003 | US6566571 Method of producing biaryls |
| 05/20/2003 | US6566566 Dimerization of a C6-12 olefin mixture in which the hexene isomer fraction has less than 30% by weight of linear isomers in the presence of a nickel catalyst; derivatization to give primary alcohols, and optional subsequent alkoxylation |
| 05/20/2003 | US6566559 Pyrolyzing ketal/acetal containing mixture (dimethoxypropane) in presence of a carboxylic acid; for making vitamins |
| 05/20/2003 | US6566471 Formed from an iodine-terminated unsaturated fluoroalkylene monomer that may contain ether oxygen atoms; chain transfer |
| 05/15/2003 | WO2003040261A2 Fischer tropsch composition and process |
| 05/15/2003 | WO2003040159A2 Bidentate ligands for the carbonylation of unsaturated compounds |
| 05/15/2003 | WO2003040072A1 Method for production of polyolalkyl ethers |
| 05/15/2003 | WO2003040065A2 Bidentate ligand for the telomerization of dienes |
| 05/15/2003 | US20030092944 Method for producing 2-alkyl-3-chlorophenols |
| 05/15/2003 | US20030092780 Separation of by-products; forming sysnthesis gas from natural gas |
| 05/15/2003 | CA2466252A1 Bidentate ligands for the carbonylation of unsaturated compounds |
| 05/15/2003 | CA2466239A1 Bidentate ligand for the telomerization of dienes |
| 05/14/2003 | EP1309533A1 Production of 3-alkylcycloalkanols |
| 05/14/2003 | EP1087922B1 Production of mibk using catalytic distillation technology |
| 05/13/2003 | US6562989 Catalyst for aromatic C—O, C—N, and C—C bond formation |
| 05/13/2003 | US6562306 Slurry bed reactor; high conversion and selectivity |
| 05/08/2003 | WO2003037842A1 Process for producing purified fluorine compound |
| 05/08/2003 | WO2003020254A8 Pharmaceutical composition comprising (-)-secoisolariciresinol |
| 05/08/2003 | US20030088128 Diaryl ether condensation reactions |
| 05/07/2003 | EP1308433A1 Benzhydryl derivatives |
| 05/07/2003 | EP1308157A1 N-heterocyclic carbene complexes and the use thereof |
| 05/07/2003 | EP1307418A2 Process for the preparation of chiral 1,4-diaryl-2-fluoro-2-butenes |
| 05/06/2003 | US6559248 Method of purifying olefin containing oxygenate contaminants. The method incorporates the use of extractive distillation. Under the appropriate conditions, olefins containing very low levels of oxygenate contaminants can be recovered. |
| 05/02/2003 | EP1306362A1 Processes for the preparation of fluorinated acyl fluorides and fluorinated vinyl ethers |
| 05/02/2003 | EP1305324A1 Use of chiral diphosphines as optically active ligands |
| 05/01/2003 | WO2003035926A2 Improved precursors for chemical vapour deposition |
| 05/01/2003 | WO2003035595A1 Novel norbornane and norbornene derivatives, use thereof and perfumed products containing same. |
| 05/01/2003 | WO2002026701A3 Ionic liquids and their use as solvents |
| 05/01/2003 | US20030083529 Process for producing vinyl ether compounds |
| 04/30/2003 | CN1413974A Method for catalytic synthesising dimethyl ether in combined bed |
| 04/30/2003 | CN1413973A Integrated technology process for preparing dimethyl ether by synethetic gas |
| 04/29/2003 | US6555717 Catalytic dehydroxylation of diols and polyols |
| 04/24/2003 | WO2003033461A1 Synthesis of oxygen-substituted benzocycloheptenes, used as valuable intermediate products for producing tissue-selective oestrogens |
| 04/24/2003 | US20030078456 Integrated process for synthesizing alcohols, ethers, aldehydes, and olefins from alkanes |
| 04/24/2003 | US20030078443 Preparing a polyalkylene oxide porogen by employing hydrosiylation or nucleophilic substitution or esterification or hydrogenolysis or carbonation |
| 04/24/2003 | CA2464435A1 Synthesis of oxygen-substituted benzocycloheptenes, used as valuable intermediate products for producing tissue-selective oestrogens |
| 04/23/2003 | EP1304316A1 Processes for the production of fluorinated organic compounds and fluorinating agents |
| 04/23/2003 | EP1303554A1 Polyol processing |
| 04/23/2003 | EP1303472A1 Secondary c 10- 18 surfactant alcohols |
| 04/23/2003 | EP1051389B1 Method for producing oxalkylated amines or alcohols |
| 04/23/2003 | EP0882006B1 Process for preparing alkyl ethers and mixtures thereof |
| 04/23/2003 | CN1413181A Novel hydronaphtalene compounds prepared by phodium catalyzed ring opening reaction in presence of phosphine ligand |
| 04/23/2003 | CN1412171A Process for preparation of high-grade secondary alcohol alkoxyl compound oxyalkylene adduct or sulfate mixture of high-grade secondary alcohol alkoxyl compound |
| 04/23/2003 | CN1412170A Preparation of diacetal of glyoxal |
| 04/23/2003 | CN1412169A Alcohol ether material and alcohol hydrocarbon material and synthetic ammonia coproduction process |
| 04/23/2003 | CN1106219C Carried heteropoly acid catalyst for preparing dimethyl ether by dewatering methanol and its preparing process |
| 04/22/2003 | US6552088 Biphenyl derivatives |
| 04/22/2003 | US6551468 Preparation of isoflurane by reaction of 2,2,2-trifluoroethyl difluoro-methyl ether and chlorine in added water, at low temperatures and/or at higher conversions |
| 04/17/2003 | WO2003031539A1 An oxygenated gasoline component and a method of producing thereof |
| 04/17/2003 | WO2003031381A2 Synthesis of (z)-3,5,4'-trimethoxystilbene, and use thereof |
| 04/17/2003 | WO2003031379A1 Method for producing 1-olefins using palladium carbene compounds |
| 04/17/2003 | US20030073848 Accelerated process for preparing O-methyl phenols, N-methyl heteroaromatic compounds, and methylated aminophenols |
| 04/16/2003 | EP1301168A1 Storage-stable compositions of glycerol monoalkyl ethers |
| 04/16/2003 | EP1254881A9 Process for producing aryl ether |
| 04/16/2003 | CN1411482A Process for preparing polytrimethylene ether glycol and copolymers thereof |
| 04/16/2003 | CN1411455A Method for producing liquid crystals with CF20 bond |
| 04/16/2003 | CN1411431A Continuous process for preparation of polytrimethylene ether glycol |
| 04/15/2003 | US6548722 Process for the preparation of substituted aromatic compound employing friedel-crafts reaction using a reusable basic anionic clay catalyst |
| 04/15/2003 | US6548684 Coupling of nucleophiles, vinyl compounds or CO with water, alcohols or amines to organic compounds |
| 04/10/2003 | US20030069452 An alkanes, alkenes or cycloalkane or aromataic is reacted with a metal halide to form the halide of the reactant and reduced metal, which is oxidized to form metal oxide, oxide is reacted with halide of reactant to form alchol and/or ether |
| 04/10/2003 | US20030069451 Preparation of diacetals of glyoxal |
| 04/10/2003 | US20030069433 Producing liquid crystals with cf2o bond |
| 04/09/2003 | EP1300383A2 Process for the preparation of diacetals of glyoxal |
| 04/09/2003 | EP1299308A2 Chemical extraction process |
| 04/09/2003 | CN1408694A Process for synthesizing tripentaerythritol |
| 04/09/2003 | CN1408693A Process for synthesizing tripentaerythritol |
| 04/09/2003 | CN1104954C Zinc/metal hexacyanocobaltate complex composition, process for their preparation, and their use in process for production of polyether polyols |
| 04/05/2003 | CA2405920A1 Preparation of diacetals of glyoxal |
| 04/03/2003 | WO2003027357A2 Method for producing orthocarboxylic acid trialkyl esters |
| 04/03/2003 | WO2003027054A1 Process for alkoxylation of di, tri and polyalcohols |
| 04/03/2003 | WO2003012253A3 Method of controlling asphaltene precipitation in a fluid |
| 04/03/2003 | US20030065208 Triphenylphosphine derivative, production process therefor, palladium complex thereof, and process for producing biaryl derivative |
| 04/03/2003 | US20030065195 Ether compounds |
| 04/03/2003 | US20030065187 Copper-catalyzed formation of carbon-heteroatom and carbon-carbon bonds |
| 04/03/2003 | CA2460545A1 Method for producing orthocarboxylic acid trialkyl esters |
| 04/02/2003 | EP1296912A1 Process for the preparation of (r)-2-alkyl-3-phenyl-1-propanols |
| 04/01/2003 | US6541673 Phenolic polyether polyols are prepared by two stage oxyalkylation process, first stage performed at high oxyalkylation temperature and second stage at lower oxyalkylation temperature |
| 03/27/2003 | WO2003024909A1 Method of preparing symmetrical polyhydroxystilbenes |
| 03/27/2003 | US20030060355 Catalyst comprises copper, zinc, aluminum, gallium, and a solid acid; for converting a feed comprising carbon dioxide and hydrogen into methanol and dimethyl ether |
| 03/27/2003 | US20030059710 Photosensitive patterns; semiconductor |
| 03/26/2003 | EP1294665A1 Process for producing ether |
| 03/26/2003 | EP1294664A1 Alcohol mixtures having 13 and 15 carbon atoms and the use thereof in the preparation of surface-active substances |
| 03/26/2003 | EP1294657A2 Catalysis using phosphine oxide and sulfoxide compounds |
| 03/26/2003 | EP1137738A4 Process for the recovery of low molecular weight phenols, furfural, furfuryl alcohol and/or cellulose or cellulose-rich residues |
| 03/26/2003 | EP1100759B1 Transition metal complexes as linkers |
| 03/26/2003 | CN1405142A Method for synthesizing stereoselectively and efficiently diphenyl butane lignan compound |
| 03/25/2003 | US6538162 Contacting an alkane-containing gas with non-metal, regenerable, electrophile ions in sulfuric acid to provide electrophilicly activated alkane, forming sulfate ester thereof, and hydrolyzing to convert to oxygenate |
| 03/25/2003 | US6538131 By annulation of an olefinic intermediate; ring closing metathesis; a novel class of cyclopentene polyol intermediate products and anhydro derivatives thereof; fewer steps |
| 03/25/2003 | US6537527 Skin lightening compositions |
| 03/20/2003 | US20030055227 Process for obtaining lignan |