| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 06/28/1994 | US5324863 Process for the production of di-trimethylolpropane |
| 06/23/1994 | WO1994013857A1 Electrochemical fluorination |
| 06/23/1994 | WO1994013612A1 Chlorofluoroether compositions and preparation thereof |
| 06/22/1994 | EP0603002A1 Synthesis of difluoromethyl methyl ether |
| 06/22/1994 | EP0602573A1 Process for the preparation of acetals |
| 06/22/1994 | EP0251469B1 Method for converting substances |
| 06/22/1994 | CA2092969A1 Cogeneration of isobutylene plus mtbe from crude t-butanol/methanol feedstocks |
| 06/21/1994 | US5322904 Liquid-phase fluorination |
| 06/21/1994 | US5322903 Liquid-phase fluorination |
| 06/21/1994 | CA1330348C Nonaqueous liquid nonionic laundry detergent composition and method of use |
| 06/19/1994 | CA2111762A1 Synthesis of fluoromethyl ether |
| 06/16/1994 | DE4342030A1 Butene-diol(s) and butene-diol ether(s) prepn. - by reacting vinyl oxirane(s) with water or 1-10C alcohol(s) in absence of catalyst |
| 06/15/1994 | EP0601918A1 Process for the preparation of vitamin A and intermediates useful in this process |
| 06/15/1994 | EP0601156A1 Cross-coupling process of boric acids with halogenated compounds |
| 06/15/1994 | EP0600958A1 Method of producing epoxy-ring opening products. |
| 06/15/1994 | CN1087895A Pesticidal fluoroolefins |
| 06/14/1994 | US5321167 Method of manufacturing nonionic surfactants low in alkylene oxides and low in 1,4-dioxane, using alkali metal alkoxides as catalysts |
| 06/14/1994 | US5321163 Multi-purpose catalytic distillation column and eterification process using same |
| 06/09/1994 | WO1994012456A1 Pervaporation separation process of a mixture of methanol and tetrahydrofurane |
| 06/08/1994 | EP0600632A1 Method for the manufacture and recovery of methyl tertiary butyl ether |
| 06/08/1994 | EP0600617A1 Process for the preparation of intermediates useful in the preparation of pyranyl cyanoguanidine derivatives |
| 06/08/1994 | EP0600367A1 Method for preparing aromatic vinyl compounds |
| 06/08/1994 | EP0599921A1 Ester-free ethers. |
| 06/08/1994 | EP0498817B1 Process for producing fluorinated organic compounds |
| 06/08/1994 | CN1087618A Catalytic rectification process synthesizing propanediol ether |
| 06/08/1994 | CN1024922C Morpholinyl derivatives of doxorubicin and process for their prepn. |
| 06/07/1994 | US5319148 Dissolving 2-hydroxycyclohexanone dialkyl ketal in a solvent or water heating to evaporate, passing vapors over catalyst |
| 06/07/1994 | US5319147 Acyl fluiride and/or ketonic groups are reacted with elemental fluorine in presence of a metal fluoride catalysts |
| 06/01/1994 | EP0599688A1 Process for O-alkylation of phenolic compounds |
| 06/01/1994 | EP0599521A1 Preparation of alkyl tertiary butyl ether |
| 06/01/1994 | DE4340490A1 Improed process for coupling arylboronic acids with aryl halides - carried out in presence of a transition metal (esp. palladium) catalyst with a bidentate, lipophilic, aliphatic phosphine ligand |
| 06/01/1994 | CN1087288A Modified alumina catalyst for producing alkoxyl alcohol |
| 05/31/1994 | US5316627 Catalytic dehydration of methanol, purification and distillation |
| 05/26/1994 | DE4239243A1 Verfahren zur Trennung eines Gemisches aus Methanol und Tetrahydrofuran in seine Bestandteile A method for separating a mixture of methanol and tetrahydrofuran in its components |
| 05/25/1994 | CN1087077A Process for preparing alkylaryl ether |
| 05/25/1994 | CN1087033A Metallic zeolite catalyst for reaction of converting synthetic gas into dimethyl ether |
| 05/25/1994 | CN1024656C Alkoxylation process catalyzed by barium phosphate |
| 05/25/1994 | CN1024654C Alkylation of polycyclic aromatic compounds to alkylates enriched in para-substituted isomers |
| 05/20/1994 | CA2094475A1 Method for the manufacture and recovery of methyl tertiary butyl ether |
| 05/18/1994 | EP0597806A1 Novel cyclohexyl substituted glycidylethers |
| 05/18/1994 | EP0282542B1 Process for the production of alkylene or cyclically linked compounds |
| 05/17/1994 | US5313006 Cogeneration of isobutylene plus MTBE from crude t-butanol/methanol feedstocks |
| 05/17/1994 | US5313005 Method for controlling catalytic distillation etherifications |
| 05/17/1994 | US5313004 Production of alkyl tertiary alkyl, ethers from isoalkanes |
| 05/17/1994 | US5313003 Copolymerizable fluorinated compounds, a process for their preparation and thermoplastic fluoropolymers obtainable therefrom |
| 05/17/1994 | US5313001 Reacting a halogenated aromatic compound with a 1,1-difluoro ethylene compound in presence of palladium catalyst |
| 05/17/1994 | US5312975 Using a transition metal catalyst |
| 05/17/1994 | CA2082985A1 Catalytic decomposition of impurities in methyl tertiary butyl ether |
| 05/11/1994 | WO1994010152A1 Bifunctional intermediates for use in the manufacture of liquid crystals |
| 05/11/1994 | WO1994010118A1 Tri-substituted phenyl derivatives and processes for their preparation |
| 05/11/1994 | WO1994010107A1 Process to convert biomass and refuse derived fuel to ethers and/or alcohols |
| 05/11/1994 | EP0596684A1 Preparation of substituted aryl compounds |
| 05/11/1994 | EP0596361A2 Chloro-(2-halo-1-fluoromethyl-ethoxy) methanes and their preparation |
| 05/11/1994 | EP0595942A1 Method of preparing polyol compounds. |
| 05/11/1994 | EP0463162B1 PREPARATION OF 5,6,7-TRINOR-4,8-INTER-m-PHENYLENE PGI 2 DERIVATIVES |
| 05/11/1994 | CA2109399A1 Process for the preparation of intermediates useful in the preparation of pyranyl cyanoguanidine derivatives |
| 05/04/1994 | EP0595567A1 Synthesis of alkyl-t-alkyl ether using beta-zeolite catalysts |
| 05/04/1994 | EP0595228A2 Process for the preparation of ketals |
| 05/03/1994 | US5308884 Stabilized polyether polyol and polyurethane foam obtained therefrom |
| 05/03/1994 | US5308592 Superimposed catalyst beds connected by flow pipe; etherification to tert-butyl methyl ether |
| 04/29/1994 | CA2086878A1 One-step synthesis of methyl t-butyl ether from t-butanol using zeolite beta and multimetal-modified zeolite beta catalysts |
| 04/28/1994 | WO1994008929A1 Production of partially fluorinated ethers |
| 04/28/1994 | WO1994008928A1 Method for controlling catalytic distillation etherifications |
| 04/28/1994 | WO1994008927A1 Process for the preparation of etbe |
| 04/28/1994 | WO1994008713A1 Support catalyst and use of same |
| 04/28/1994 | WO1994004478A3 Process and device for preparing diglycerine |
| 04/28/1994 | DE4236104A1 Bifunktionelle Vorprodukte zur Herstellung von Flüssigkristallen Bifunctional precursors for the preparation of liquid crystals |
| 04/28/1994 | CA2146552A1 Method for controlling catalytic distillation etherifications |
| 04/28/1994 | CA2145666A1 Support catalyst and use of same |
| 04/27/1994 | EP0594283A1 Synthesis of alkyl tert-alkyl ether using fluorophosphoric acid-modified clay catalysts |
| 04/26/1994 | US5306846 Protecting arene diol by stirring with acid catalyst to form acetonide with specific stereochemistry |
| 04/21/1994 | DE4234779A1 Trägerkatalysator und Verwendung desselben The same supported catalyst and use |
| 04/21/1994 | DE4234766A1 Purificn. of aryl-acetaldehyde acetal fragrances - by treatment with oxalate ester to remove aryl-ethanol impurities |
| 04/20/1994 | EP0592706A1 Use of cellulose ester blend membranes |
| 04/19/1994 | CA1328611C Pharmaceutical compositions comprising at least one aromatic compound as active principle |
| 04/19/1994 | CA1328605C Medicinal composition useful for the treatment of dermatological diseases |
| 04/13/1994 | EP0591817A1 Process for purification of alkoxylated alcohols |
| 04/13/1994 | EP0591538A1 Process for producing dimethyl ether |
| 04/12/1994 | US5302760 Stability additive for perfluoropolyalkylethers |
| 04/12/1994 | US5302317 Halobenzene liquid crystals |
| 04/12/1994 | CA1328469C 1-¬4-(halophenoxy)phenoxy|-4-pentines and their preparation and use |
| 04/06/1994 | EP0590632A1 Etherification process |
| 04/05/1994 | US5300697 One step synthesis of methyl t-butyl ether from t-butanol using hydrogen fluoride-modified zeolite catalysts |
| 04/05/1994 | US5300696 Catalyzing a mixture of butanes, butenes, isobutene, methanol in presence of etherification catalysts, distillation to separate methyl tertiary butyl ether |
| 04/05/1994 | US5300695 Reacting two alcohols to produce higher molecular weight alcohol using ion exchanged Zeolite L catalyst; intermediate for ether formation gasoline additive |
| 04/05/1994 | US5300683 Fluorination of acetals, ketals and orthoesters |
| 04/05/1994 | CA1328279C Catechol carboxylic acid derivatives |
| 03/31/1994 | WO1994006741A1 Pesticidal fluoroolefins |
| 03/31/1994 | WO1994006556A1 Process for the manufacture of methanol and dimethyl ether |
| 03/31/1994 | CA2142714A1 Pesticidal fluoroolefins |
| 03/30/1994 | EP0589635A1 Process for purifying polyols made with double metal cyanide catalysts |
| 03/30/1994 | EP0589621A1 Substituted styrenes |
| 03/30/1994 | EP0589381A1 Process for preparing perfluoro-2-methyl-4-methoxypentane |
| 03/30/1994 | EP0589359A1 Process for the production of ketene acetals |
| 03/30/1994 | EP0589112A1 Process for the preparation of a fraction rich in tertiary amyl methyl ether free from olefins and of a paraffinic fraction rich in n-pentane |
| 03/23/1994 | CN1084157A Method for production of propylene-glycol ethyl ether |
| 03/22/1994 | CA1327976C Norbornyl ethers |
| 03/17/1994 | WO1994005616A1 Glyoxal derivatives and method for making the same |
| 03/16/1994 | EP0587050A1 Process for the preparation of an aromatic group substituted olefins from chloroaromatics |
| 03/16/1994 | EP0425643B1 Octadienyl ethers and a process for making octadienyl ethers |