| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 07/11/2000 | US6087322 Fragrance pro-accords |
| 07/06/2000 | WO2000039061A1 Preparation of alkylated diphenyl oxides |
| 07/06/2000 | WO2000039058A1 Method for producing surfactant alcohols and surfactant alcohol ethers, the resulting products and their use |
| 07/06/2000 | CA2355623A1 Method for producing surfactant alcohols and surfactant alcohol ethers, the resulting products and their use |
| 07/05/2000 | CN1054115C Vapor phase chlorination of difluoromethyl methyl ether |
| 06/29/2000 | WO2000002887A3 Ligands for metals and metal-catalyzed processes |
| 06/29/2000 | DE19859911A1 Verfahren zur Herstellung von Tensidalkoholen und Tensidalkoholethern, die hergestellten Produkte und ihre Verwendung A process for the preparation of surfactant alcohols and surfactant alcohol ethers, the manufactured products and their use |
| 06/27/2000 | US6080895 Process of producing catechol derivatives |
| 06/27/2000 | US6080790 Selective and potent inhibitors of phosphodiesterase iv and are useful for the prophylaxis and treatment of inflammatory diseases and the alleviation of conditions associated with central nervous malfunction |
| 06/27/2000 | CA2150244C Chlorofluoroether compositions and preparation thereof |
| 06/27/2000 | CA2110748C Process for the preparation of vitamin a and intermediate compounds useful in the process |
| 06/21/2000 | EP1010683A1 Single step synthesis gas-to-dimethyl ether process with methanol introduction |
| 06/21/2000 | EP1009735A1 Method for producing a 1-(3-cyclopentenyloxy- 4-alkoxyphenyl)-4- oxocyclohexanecarbonitrile |
| 06/20/2000 | US6077821 Fragrance pro-accords |
| 06/14/2000 | EP0871602B1 Preparation of fuel grade dimethyl ether |
| 06/14/2000 | CN1256686A Process for purifying fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether |
| 06/13/2000 | US6074982 Cation exchange resin with sulfonic acid groups and palladium, platinum, ruthenium and rhodium metal or fe, ni, cobalt, cu, ag and w |
| 06/07/2000 | CN1255480A Process for preparing citral |
| 06/07/2000 | CN1255475A Benzene derivative and its prepn. method |
| 06/02/2000 | WO2000031213A1 Process for the recovery of low molecular weight phenols, furfural, furfuryl alcohol and/or cellulose or cellulose-rich residues |
| 06/02/2000 | WO2000031003A1 Process for converting an alcohol to the corresponding fluoride |
| 06/02/2000 | CA2352330A1 Process for the recovery of low molecular weight phenols, furfural, furfuryl alcohol and/or cellulose or cellulose-rich residues |
| 05/31/2000 | EP1004565A1 Preparation of 1-alkoxy-2-methyl-1,3-butadienes |
| 05/31/2000 | EP1003702A1 Method for producing 3-methyl 2-butenal acetals |
| 05/31/2000 | EP1003697A1 Method for oxidising substituted hydrocarbon derivatives |
| 05/31/2000 | CN1052970C Method for preparation of polyol allyl ether |
| 05/30/2000 | US6069284 Process for separating diisopropyl ether from isopropyl alcohol and water |
| 05/30/2000 | US6069180 Contacting the synthesis gas feed in a dimethyl ether reactor with a bifunctional catalyst system having a methanol synthesis functaionally and methanol dehydration functionality; methanol concentration is maintained 1.0% |
| 05/30/2000 | US6068834 Orally administering a melanins reducing oxy phenol compound to the mammal for lightening the mammalian skin; tyrosinase inhibitor |
| 05/30/2000 | CA1341010C Compounds useful in preparing fluorine-containing chiral smectic liquid crystals |
| 05/25/2000 | WO2000029365A2 Preparation of polyoxymethylene dimethyl ethers by acid-activated catalytic conversion of methanol with formaldehyde |
| 05/25/2000 | WO2000029364A1 Preparation of polyoxymethylene dimethyl ethers by reaction of dimethylether with formaldehyde over heterogeneous catalysts |
| 05/25/2000 | WO2000029363A1 Processes for the preparation of 1,4-diaryl-2-fluoro-1,3-butadiene and 1,4-diaryl-2-fluoro-2-butene compounds |
| 05/25/2000 | WO2000029362A1 1,4-diaryl-2-fluoro-1-buten-3-ol compounds and their use in the preparation of 1,4-diaryl-2-fluoro-1,3-butadiene and 1,4-diaryl-2-fluoro-2-butene compounds |
| 05/25/2000 | DE19946228A1 New benzene derivatives |
| 05/25/2000 | DE19853089A1 Verfahren zur Herstellung von Orthoestern Process for the preparation of orthoesters |
| 05/25/2000 | CA2351601A1 Processes for the preparation of 1,4-diaryl-2-fluoro-1,3-butadiene and 1,4-diaryl-2-fluoro-2-butene compounds |
| 05/25/2000 | CA2351563A1 1,4-diaryl-2-fluoro-1-buten-3-ol compounds and their use in the preparation of 1,4-diaryl-2-fluoro-1,3-butadiene and 1,4-diaryl-2-fluoro-2-butene compounds |
| 05/24/2000 | EP1002783A1 Process for the preparation of ortho esters |
| 05/18/2000 | DE19852006A1 Verfahren zur Herstellung substituierter Butene Process for preparing substituted butenes |
| 05/17/2000 | EP1000919A1 Process for the preparation of substituted butenes |
| 05/17/2000 | EP1000008A1 Novel thyroid receptor ligands and method |
| 05/17/2000 | EP1000005A1 Process for the preparation of 1-(3,4-dimethoxyphenyl)ethanol |
| 05/17/2000 | CN1253540A Separation of CO2 from unsaturated fluorinated compounds by semipermeable membrane |
| 05/16/2000 | US6063966 Isobutylene-assisted aqueous extraction of methanol from methyl tertiary butyl ether |
| 05/16/2000 | US6063940 Reacting an allyl halide and magnesium to form a grignard reagent, reacting the formed intermediated with benzyl halide in presence of a nickel catalyst; alkenylation |
| 05/11/2000 | WO2000026168A1 A process for making butyl ethers of glycols |
| 05/11/2000 | CA2288520A1 Preparation of substituted butenes |
| 05/10/2000 | EP0998515A1 Purification of propylene oxide |
| 05/10/2000 | EP0998351A1 USE OF TRIS (TRIFLUORO METHYLSULFONYL) METHANE, IN ADDITION TO ALKALINE METAL SALTS AND ALKALINE-EARTH METAL SALTS THEREOF AS CATALYSTS DURING C-C BONDING SYNTHESES AND THE NOVEL Mg SALT OF TRIS (TRIFLUORO METHYLSULFONYL) METHANE |
| 05/10/2000 | CN1252784A Single-step method for producing glycol monoethers from olefine |
| 05/09/2000 | US6060627 Polyol purification |
| 05/09/2000 | US6060035 Addition reaction of hydroxyl-containing compounds with alkynes or allenes |
| 05/03/2000 | EP0996619A1 Tropane analogs and methods for inhibition of monoamine transport |
| 05/03/2000 | EP0873289B1 Process for catalytic addition of nucleophiles to alkines or allenes |
| 05/03/2000 | CN1052016C Process for purifying polyols |
| 05/03/2000 | CN1052001C Preparation of astaxanthin and intermediate thereof |
| 05/02/2000 | CA2000179C Cyclopenteneheptenoic acid derivatives and method of preparation thereof |
| 04/26/2000 | EP0994839A2 Thermal conversion of volatile fatty acid salts to ketones |
| 04/26/2000 | EP0994838A1 Method for etherifying a benzyl alcohol, resulting products and applications |
| 04/26/2000 | EP0994837A1 Method for producing butenyl ethers |
| 04/26/2000 | EP0835274B1 Process for making hydroxy-substituted ethynylated biphenyls |
| 04/25/2000 | US6054626 Synthesis of fluorinated ethers |
| 04/19/2000 | EP0993431A1 Method for producing enol ethers |
| 04/19/2000 | EP0966417A4 Process for the synthesis of hexafluoroisopropyl ethers |
| 04/19/2000 | CN1051556C Process for prepn. of heterosubstituted acetals |
| 04/18/2000 | US6051522 Catalyst which can be used for the preparation of olefins during polymerization |
| 04/13/2000 | WO2000020366A1 Process for the preparation of 4,4'-dihalogen-o-hydroxydiphenyl compounds |
| 04/13/2000 | WO2000020365A1 A process for the preparation of 4,4'-dihalogen-o-hydroxydiphenyl compounds |
| 04/13/2000 | DE19846056A1 Verfahren zur Herstellung von Citral Process for the preparation of citral |
| 04/12/2000 | EP0992477A1 Process for the preparation of citral |
| 04/11/2000 | US6049020 Etherifying hydrocarbon cut byalcohol to produce tertiary alkyl ether; seprating ether and decomposing ether present in olefin portion and fractionating to obtain pure tertiray olefin; purifying tertiary alkyl ether |
| 04/11/2000 | US6049012 Catalyst and process for the production of alkyl tert alkyl ether from hydrocarbon feedstocks with high levels of sulfur |
| 04/06/2000 | WO2000018713A1 Method in recovery of trimethylolpropane triallyl or diallyl ether |
| 04/06/2000 | WO2000018707A1 ALKYLATION OF AROMATIC COMPOUNDS WITH α-OLEFINS USING ZEOLITE CATALYSTS |
| 04/05/2000 | EP0990017A1 Method and device for drying a gas |
| 04/05/2000 | CN1249738A Method for producing n-butyraldehyde and/or n-butanol |
| 04/05/2000 | CN1249297A Method for prepering phenol-alkyl ether compound |
| 04/04/2000 | US6046368 Catalytic process for making hydrofluoroethers |
| 04/04/2000 | US6046367 A bis((perfluoroalkyl)methoxy),bis(perfluoroalkyl)methane made from the reaction of the two titled compounds |
| 03/30/2000 | WO2000017132A1 Method for producing olefins |
| 03/30/2000 | CA2345017A1 Method for producing olefins |
| 03/29/2000 | EP0988262A1 Bromination process |
| 03/29/2000 | CN1248978A Continuous process for effecting gas liquid reactions |
| 03/23/2000 | WO2000015614A1 Novel compounds |
| 03/23/2000 | WO2000015590A1 Method for producing enol ethers |
| 03/23/2000 | DE19843012A1 (Hetero)aryl-substituted olefin preparation for use e.g. as polymer or drug intermediate, by Heck reaction using inexpensive catalyst system of divalent palladium compound and nitrogen-containing additive |
| 03/23/2000 | CA2341440A1 Novel compounds |
| 03/22/2000 | EP0987239A1 Process for the preparation of alpha-substituted ringsystems |
| 03/22/2000 | EP0987235A1 Method for the conversion of arenes or alkenes with iodoalkenes, aryl iodides or arenediazonium salts |
| 03/21/2000 | CA2024758C Shaped bodies of macroporous ion exchange resin and method of using same |
| 03/16/2000 | WO2000014045A1 Method for the preparation of fatty alcohol alkoxylates |
| 03/16/2000 | WO2000014033A1 The addition of oxygen nucleophiles to vinyl epoxides |
| 03/16/2000 | DE19841552A1 Production of enol ether involves reacting alcohol and/or acetal with alkyne and/or allene compound and then working up by distillation with recycling of acetal and alcohol, possibly after catalytic acetalization |
| 03/14/2000 | US6037502 Etherification process |
| 03/14/2000 | US6037501 Efficient way of producing fluorenes by vapor phase intramolecular cyclodehydrogenation of corresponding diphenyl methane compounds; also making fluorenones by subjecting the fluorenes to vapor phase oxidation reaction |
| 03/14/2000 | US6037482 Process for catalytic addition of nucleophiles to alkynes or allenes |
| 03/14/2000 | CA2006542C Catalytic reaction using zeolite nu-87 |
| 03/09/2000 | WO2000012456A1 Method of reducing ring chlorination in the manufacture of a trichloromethoxybenzene |
| 03/09/2000 | WO2000012451A1 Improved processes for making surfactants via adsorptive separation and products thereof |