| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 03/02/1999 | US5877357 Process for preparing perhaloethers from perhaloolefins and new perhaloethers thereby obtained |
| 03/02/1999 | US5876561 Chlorination; delignification |
| 02/24/1999 | EP0897902A1 Process for preparing alkylene oxide adducts |
| 02/24/1999 | CN1209114A Process for preparing alkyl ethers and mixtures thereof |
| 02/24/1999 | CN1209113A Process for preparing tertiary alkyl ethers |
| 02/24/1999 | CN1209077A Etherification-hydrogenation process |
| 02/23/1999 | US5874656 Heating ester of chloroformic acid in the liquid phase in the presence of a polychlorinated benzene and hydrogen fluoride |
| 02/23/1999 | US5874642 Bis ethers containing a 2,2'-biaryl radical and a process for their preparation |
| 02/17/1999 | EP0896590A1 Rapid purification by polymer supported quench |
| 02/16/1999 | US5872301 Bifunctional precursors for the preparation of liquid crystals |
| 02/11/1999 | WO1999006344A1 Method for producing 3-methyl 2-butenal acetals |
| 02/11/1999 | WO1999006343A1 Process for the preparation of 1-(3,4-dimethoxyphenyl)ethanol |
| 02/11/1999 | WO1999006338A1 Method for oxidising substituted hydrocarbon derivatives |
| 02/09/1999 | US5869537 Macrophage lipid chemoattractant |
| 02/04/1999 | WO1999005199A1 Purification of propylene oxide |
| 02/04/1999 | DE19733258A1 Verfahren zur Herstellung von Acetalen des 3-Methyl-2-butenals A process for preparing acetals of the 3-methyl-2-butenal |
| 02/04/1999 | CA2297669A1 Purification of propylene oxide |
| 02/02/1999 | CA2053615C Liquid phase process for dimethyl ether synthesis |
| 01/27/1999 | EP0893444A1 Process for reparing 2,2,3,3-tetrafluoro-1,4-benzodioxanes, new o-(2-bromo-1,1,2,2,-tetrafluoroethoxy)-phenols and new2-bromo-1,1,2,2-tetrafuoroethoxy-phenylethers |
| 01/27/1999 | CN1206395A Pesticide compounds, compositions and process for preparation thereof |
| 01/27/1999 | CN1205998A Mild catalytic fluorochloro ether dechlorinating process |
| 01/26/1999 | US5864052 Dehydrogenation of field butane and isobutane; dimerizing a separated butene to a di-n-butene used as a chemical intermediate; etherifying the isobutene by an alkanol to form a tert-butyl alkyl ether |
| 01/21/1999 | WO1999002526A1 Tropane analogs and methods for inhibition of monoamine transport |
| 01/21/1999 | WO1999002475A1 Method for etherifying a benzyl alcohol, resulting products and applications |
| 01/21/1999 | CA2297187A1 Tropane analogs and methods for inhibition of monoamine transport |
| 01/20/1999 | EP0892002A1 New Zinc/Metal- Hexacyanocobaltate Catalysts for the Production of Polyetherpolyols |
| 01/20/1999 | EP0891960A1 Process for the preparation of pyrocathecol mono ethers and pyrocathecols |
| 01/20/1999 | EP0891959A1 Process for the preparation of aliphatic or cycloaliphatic chlorides |
| 01/20/1999 | EP0891326A1 Novel vitamin d analogues |
| 01/20/1999 | CN1205324A Preparation of catechol monoethers and catechols |
| 01/20/1999 | CN1041717C Method for preparing cyclopropane derivatives |
| 01/16/1999 | CA2242957A1 New zinc/metal hexacyanocobaltate complex compositions, a process for their preparation, and their use in a process for the production of polyether polyols |
| 01/07/1999 | WO1999000353A1 Novel thyroid receptor ligands and method |
| 01/07/1999 | WO1999000348A2 Thermal conversion of volatile fatty acid salts to ketones |
| 01/07/1999 | EP0888269A1 Separation of monoethers from diethers |
| 01/07/1999 | EP0888268A1 Method for the cyclotrimerization of alkynes in aqueous solutions |
| 01/07/1999 | EP0888263A1 Turbine-powered, synthesis-gas system and method |
| 01/07/1999 | CA2648505A1 Thermal conversion of volatile fatty acid salts to ketones |
| 01/06/1999 | CN1204311A Process for catalytic addition of nucleophiles to alkines or allenes |
| 01/05/1999 | US5856588 Two-stage etherification of tertiary butyl alcohol using second stage zeolite catalysts for the intermediate preparation of isobutylene |
| 12/30/1998 | WO1998059021A1 Method and device for drying a gas |
| 12/30/1998 | WO1998058894A1 Method for producing enol ethers |
| 12/30/1998 | EP0887333A1 Process for the production of halogeno-o-hydroxydiphenyl compounds |
| 12/30/1998 | EP0887332A1 Process for the addition of hydroxyl group-containing compounds to alkynes or allenes |
| 12/30/1998 | EP0887331A1 Process for the addition of hydroxyl group-containing compounds to alkynes and allenes |
| 12/30/1998 | EP0887330A1 Process for the addition of hydroxyl group-containing compounds to alkynes or allenes |
| 12/30/1998 | EP0618889B1 Tri-substituted phenyl derivatives and processes for their preparation |
| 12/30/1998 | CN1203219A Process for production of halogeno-O-hydroxydiphenyl compounds |
| 12/30/1998 | CN1203216A Process and intermediate compounds for preparation of pesticidal fluoroolefin compounds |
| 12/30/1998 | CA2295205A1 Method and device for drying a gas |
| 12/29/1998 | CA2164752C Chemical reactor feed control |
| 12/29/1998 | CA2037091C Production of ethyl tertiary alkyl ethers |
| 12/29/1998 | CA1340294C Fluorination of acetals, ketals and orthoesters |
| 12/24/1998 | DE19726667A1 Verfahren zur Herstellung von Enolethern A process for the preparation of enol ethers |
| 12/24/1998 | DE19726508A1 Production of low molecular weight polyether-poly:alcohols with low alkylene glycol content |
| 12/24/1998 | DE19725873A1 Verfahren zur Herstellung von Butenylethern Process for the preparation of butenyl ethers |
| 12/24/1998 | DE19725872A1 Verfahren zur Herstellung von Butenylethern Process for the preparation of butenyl ethers |
| 12/23/1998 | WO1998057916A1 Method for producing butenyl ethers |
| 12/23/1998 | WO1998057915A1 Method for producing butenyl ethers |
| 12/23/1998 | EP0885867A1 Process and intermediate compounds for the preparation of pesticidal fluoroolefin compounds |
| 12/23/1998 | EP0885866A1 Etherification process |
| 12/23/1998 | EP0885180A1 Stabilized monomer composition |
| 12/23/1998 | EP0724556B1 Alkylene glycols having a higher primary hydroxyl content |
| 12/23/1998 | EP0700888B1 Method of purifying fluoromethyl 1,1,1,3,3,3-hexafluoroisopropyl ether |
| 12/23/1998 | EP0700375B1 Preparation of cyclopropane esters |
| 12/23/1998 | CN1041268C Method for controlling insects and acarids |
| 12/23/1998 | CA2286854A1 Method for producing butenyl ethers |
| 12/22/1998 | US5852220 Process for preparing a mixture of tertiary alkyl ethers |
| 12/22/1998 | US5852142 Process for the preparation of an olefin polymer |
| 12/19/1998 | CA2240886A1 Process and intermediate compounds for the preparation of pesticidal fluoroolefin compounds |
| 12/17/1998 | WO1998056737A1 Bromination process |
| 12/17/1998 | CA2289020A1 Bromination process |
| 12/16/1998 | EP0883592A1 Process for the preparation of 4-hydroxydiphenyl ether |
| 12/16/1998 | CN1201714A Solid alkali catalyst for synthesis of propanediol ether |
| 12/15/1998 | US5849975 Process for isomerization of normal olefin |
| 12/15/1998 | US5849959 Derivatives of 2, 3, 6-trifluorophenols and a process for their preparation |
| 12/15/1998 | CA1340195C Diethers usable in the preparation of ziegler-natta catalysts |
| 12/09/1998 | EP0882697A1 Perfurming agents with woody and fruity aromas |
| 12/09/1998 | EP0882006A1 Process for preparing alkyl ethers and mixtures thereof |
| 12/09/1998 | EP0668850B1 Oxygenated aliphatic compounds and their use as intermediates in the preparation of 4-hydroxy-2,5-dimethyl-3(2h)-furanone |
| 12/08/1998 | US5847230 Nitrile removal in an etherification process |
| 12/08/1998 | US5847229 Process for the production of end-capped nonionic surfactants |
| 12/08/1998 | US5847224 Method for improving the color of MTBE, ETBE and TAME |
| 12/08/1998 | US5847166 Synthesis of aryl ethers |
| 12/08/1998 | US5847117 Reagent and catalytic process useful for cleaving a protected functional group |
| 12/03/1998 | DE19723049A1 Recovery of alpha-olefin from mixture of hydrocarbon(s) |
| 12/02/1998 | EP0881205A1 Method for production of allyloxystyrene compounds |
| 12/02/1998 | EP0880388A1 Etherification-hydrogenation process |
| 12/01/1998 | US5844115 Alkoxylation process |
| 12/01/1998 | US5843286 Process for the preparation and fractionation of a mixture of dimethyl ether and chloromethane with water as extractant |
| 11/25/1998 | EP0684939B1 Di-isopropyl ether production |
| 11/25/1998 | CN1200104A Process for separating butanol and dibutyl ether by means of dual-pressure distillation |
| 11/24/1998 | US5840998 Side chain chlorination of aromatic and heterocyclic ethers |
| 11/24/1998 | US5840997 Method for the production of alkoxy- and aryloxy-phenols |
| 11/24/1998 | US5840996 Production of brominated methoxynaphthalene compounds |
| 11/24/1998 | US5840995 Fatty alcohol alkoxy ether derivatives of carboxy acids, sulfonates or phosphonates with alkaline earth metal compounds and sulfuric acid |
| 11/24/1998 | US5840994 Process for producing ditrimethylolpropane |
| 11/24/1998 | US5840969 Carbonylating methanol or methanol/dimethyl ether formed in the process stream |
| 11/24/1998 | US5840948 Process for the preparation of substituted indenes and their use as ligand systems for metallocene catalysts |
| 11/19/1998 | WO1998051653A1 Process for producing 2-bromo-5-methoxybenzyl bromide |