| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 06/18/1997 | EP0779263A1 New derivatives of 2,3,6-trifluorophenol and a process for their preparation |
| 06/18/1997 | EP0779261A1 Continuous process for racemization of benzylic alcohols, ethers, and esters by solid acid catalyst |
| 06/18/1997 | EP0779101A1 Alkoxylation catalyst precursor |
| 06/18/1997 | CN1152300A Method for hydroxyalkylating carbocyclic aromatic ether |
| 06/18/1997 | CN1151982A Intermediates and process for preparation of antiviral agent |
| 06/17/1997 | US5639921 Method of producing difluoromethyl ethers and esters and ethers and esters produced thereby |
| 06/14/1997 | CA2192772A1 Derivatives of 2,3,6-trifluorophenol and a process for their preparation |
| 06/14/1997 | CA2165125A1 Continuous process for racemization of benzylic alcohols, ethers, and esters by solid acid catalyst |
| 06/12/1997 | WO1997020806A1 Indane compounds with smooth muscle relaxing and/or mast cell stabilising and/or anti-inflammatory activity |
| 06/12/1997 | WO1997020805A1 Indane dimer compounds with smooth muscle relaxing and/or mast cell stabilising and/or antiinflammatory activity |
| 06/12/1997 | WO1997020802A1 Indane dimer compounds and their pharmaceutical use |
| 06/11/1997 | EP0777527A1 Process for preparing alkoxylation catalysts and alkoxylation process |
| 06/11/1997 | CN1151334A Method for prepn. of catalyst of large porous strong acid cation exchange resin |
| 06/10/1997 | US5637778 Isopropyl alcohol and diispropyl ether production from crude by-product acetone in one step |
| 06/10/1997 | US5637777 Reacting isoolefins and lower aliphatic alcohols in presence of ion exchange resin catalyst |
| 06/10/1997 | US5637776 Production of hydrofluorocarbons |
| 06/10/1997 | US5637775 Process for the preparation of halogenated ethers |
| 06/10/1997 | US5637736 Process for preparing 1-bromoalkylbenzene derivatives and intermediates thereof |
| 06/05/1997 | DE19544407A1 Purifying methanol solutions of 2-methoxypropylene |
| 06/04/1997 | EP0776879A1 Process for the preparation of enol ethers |
| 06/04/1997 | EP0599921B1 Process for removing an ester impurity from an ether |
| 06/04/1997 | EP0580741B1 Process for conducting chemical reactions with formaldehyde |
| 06/04/1997 | CN1151154A Novel antitumor and antileukemia substanes, preparation thereof and pharmaceutical compositions containing same |
| 06/04/1997 | CN1151153A Fluoroalkylethoxylate compositions having enhanced water solubility |
| 05/29/1997 | WO1997019040A2 Pesticide compounds, compositions and process for the preparation thereof |
| 05/29/1997 | CA2238186A1 Pesticide compounds, compositions and process for the preparation thereof |
| 05/28/1997 | EP0593475B1 Reactor quenching for catalytic olefin hydration in ether production |
| 05/28/1997 | DE19543636A1 Gas or liq. phase reaction process, e.g. vinylation |
| 05/27/1997 | US5633411 From the corresponding 4-acyloxystyrene compound |
| 05/27/1997 | US5633400 Process for the preparation of biphenyl derivatives |
| 05/27/1997 | US5633257 Phosphodiesterase inhibitor |
| 05/21/1997 | EP0773918A1 Method for hydroxyalkylating a carbocyclic aromatic ether |
| 05/15/1997 | WO1997017311A1 Process for producing fluorene or its derivatives |
| 05/14/1997 | EP0773210A1 Process for the preparation of fluorinated aromatic compounds |
| 05/14/1997 | EP0772575A1 Preparation of halogenated compounds |
| 05/13/1997 | US5629456 Preparing 9,9-bis(4-(2-hydroxyethoxy)phenyl)fluorene from phenoxyethanol and fluorenone, sulfuric acid, mercaptan |
| 05/13/1997 | US5628880 Etherification--hydrogenation process |
| 05/12/1997 | CA2189945A1 Process for preparing fluorinated aromatics |
| 05/07/1997 | EP0771779A1 Process for producing acetals |
| 05/06/1997 | US5627284 Process for producing (E)-alkoxyimino or hydroxyiminoacetamide compounds and intermediates therefor |
| 05/06/1997 | US5627121 Process for preparing alkoxylation catalysts and alkoxylation process |
| 05/02/1997 | EP0770425A1 Activation and regeneration of hydrogenation catalysts |
| 04/30/1997 | CN1148584A Method for preparation of ether compound |
| 04/29/1997 | US5625099 Carotenoid dyes |
| 04/29/1997 | US5625019 Peroxide curable fluoroelastomers, particularly suitable for manufacturing O-rings |
| 04/24/1997 | WO1997014670A1 Lignans, a process for their production and pharmaceutical compositions and uses thereof |
| 04/23/1997 | EP0628019B1 Polyfluoroalkylation of aromatic compounds |
| 04/23/1997 | EP0522041B1 Process for the production of an ether |
| 04/23/1997 | CN1148377A Omega-hydrofluoroalkyle ethers, precursor carboxylic acid and derivatives thereof, and their prepn. and application |
| 04/23/1997 | CN1034659C One-step synthesis of ortho-formate |
| 04/22/1997 | US5623091 Process for the production of bis(fluoromethyl)ether |
| 04/22/1997 | US5623089 Chemical intermediates for fluoropolymers |
| 04/17/1997 | WO1997013739A1 Process for conducting etherification reactions |
| 04/17/1997 | CA2233885A1 Process for conducting etherification reactions |
| 04/16/1997 | EP0768291A2 Process for the separation of a mixture of benzyl chloride, benzyl alcohol, dibenzyl ether and aqueous hydrochloric acid |
| 04/16/1997 | EP0768288A2 Process for preparing optically active cyclohexanol derivatives |
| 04/16/1997 | EP0767773A1 Novel antitumor and antileukemia substances, preparation thereof and pharmaceutical compositions containing same |
| 04/16/1997 | EP0660815B1 Pesticidal fluoroolefins |
| 04/15/1997 | US5621150 Passing the mixture of ethanol, tertiary butyl ethyl ether, and tert-butanol or tert-amyl alcohol to an absorption chamber to absorb ethanol, regenerating ethanol for synthesis of tert butyl ethyl ether |
| 04/15/1997 | US5621148 Condensates and their use as oxyalkylation adjuvants |
| 04/15/1997 | US5621147 Liquid crystal intermediates |
| 04/15/1997 | US5621133 Dopamine agonists |
| 04/09/1997 | EP0766659A1 Fluoroalkylethoxylate compositions having enhanced water solubility |
| 04/09/1997 | EP0656877B1 Process and device for preparing diglycerine |
| 04/09/1997 | CN1147242A Pesticidal fluoroolefins |
| 04/09/1997 | CN1146985A Extraction of 4-methyl guaiacol and 4-ethyl guaiacol from creasote |
| 04/08/1997 | US5618975 Process for the preparation of biphenyl derivatives |
| 04/02/1997 | EP0765862A1 Fatty acid ester of etherified polyhydric alcohol |
| 04/01/1997 | US5616814 Method for the water washing and recovery of methyl tertiary butyl ether |
| 04/01/1997 | US5616813 Aromatic fluorinated ether compound |
| 04/01/1997 | US5616812 Method of producing a polyvinyl ether compound |
| 04/01/1997 | US5616217 Adding aqueous sodium hydroxide to recycled higher boiling water fraction to neutralize acidic by-products |
| 04/01/1997 | CA2043815C Methyl-tertiary ether production |
| 03/26/1997 | EP0764674A2 Fluorination of acetals, ketals and orthoesters |
| 03/26/1997 | CN1146196A Skin lightening compositions |
| 03/25/1997 | US5614647 Intermediates for the synthesis of bisindolylmaleimides |
| 03/25/1997 | US5614065 Distillation with membrane apparatus |
| 03/19/1997 | CN1145616A Process for making monoacetals of hydroquinone |
| 03/19/1997 | CN1145357A Method for prepn. of tetra glycol |
| 03/19/1997 | CN1145356A Prodn. tech for isopropyl ether |
| 03/19/1997 | CN1145355A Catalyst for prepn. of tetra glycol |
| 03/19/1997 | CN1145354A Process and appts. for C4 and C5 olefine hydrocarbon fraction conversion into ether and propene |
| 03/18/1997 | US5611930 Cellulose ester blend membranes, process for making same and their use |
| 03/13/1997 | WO1996039372A3 Macrophage lipid chemoattractant |
| 03/12/1997 | EP0761633A2 Process for the preparation of 4-bromophenyl alkyl ethers |
| 03/12/1997 | EP0761631A1 Recycle of alcohol in a combined hydroisomerization and etherification process |
| 03/12/1997 | EP0761300A2 Feed control in the manufacture of methyl tertiary butyl ether |
| 03/12/1997 | EP0760809A1 Omega-hydrofluoroalkyl ethers, precursor carboxylic acids and derivatives thereof, and their preparation and application |
| 03/12/1997 | EP0595909B1 Telomerization process |
| 03/11/1997 | US5609734 Combined distillation and permeation process for the separation of oxygenated compounds from hydrocarbons and use thereof in etherification |
| 03/11/1997 | US5609654 Producing high octane gasoline |
| 03/06/1997 | WO1997008120A1 Process for separating butanol and dibutyl ether by means of dual-pressure distillation |
| 03/06/1997 | DE19610655A1 Asymmetric acyclic ether prepn. from mono:hydric alcohol and tert. olefin |
| 03/06/1997 | DE19531787A1 Verfahren zur Abtrennung von Butanol und Dibutylether mit Hilfe einer Zweidruckdestillation A process for separating butanol and dibutyl ether by means of a two-pressure distillation |
| 03/06/1997 | CA2227280A1 Separating off butanol and dibutyl ether with the aid of a two-pressure distillation |
| 03/05/1997 | EP0759897A1 Production of trialkoxypropane |
| 03/05/1997 | EP0759742A1 Physiologically acceptable emulsions containing perfluorocarbon ether hydrides and methods of use |
| 03/05/1997 | CN1034164C Integrated process for producing iso-butene and alkyl tert-butyl ethers |
| 03/04/1997 | US5608119 (2S)-3-[(1R, 2S, 5R)-[5-methyl-2-(1-methylethyl)-cyclohexyl]oxy]-1, 2-propanediol, process for producing the same, and compositions containing the same |
| 03/04/1997 | US5608116 Reaction of fluorinated alcohol with epoxide in the presence of alkali metal borohydride and alkali metal iodine or iodine |