| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 02/22/1993 | CA2076503A1 Catalytic process for the selective alkylation of polycyclic aromatic compounds |
| 02/18/1993 | DE4127230A1 Semi-continuous prodn. of di:alkyl ether(s) - by dehydration of alcohol(s) in presence of sulphonic acids with distn. of water, followed by distn., and re-using acid-contg. fraction |
| 02/17/1993 | CA2069396A1 One step synthesis of methyl t-butyl ether from t-butanol using hydrogen fluoride-modified zeolite catalysts |
| 02/16/1993 | CA1313682C Preparation of cyclobutarenes via the steam pyrolysis of aromatic derivatives |
| 02/16/1993 | CA1313681C Production of ether/ether-alcohol compositions |
| 02/09/1993 | US5185480 Decomposition with titania-supported transition metal catalyst |
| 02/09/1993 | US5185474 Synthesis of fluorinated dimethyl ethers |
| 02/09/1993 | US5185473 Process for the preparation of perfluorinated ethers |
| 02/04/1993 | WO1993003113A1 Liquid-crystal compounds |
| 02/04/1993 | WO1993002124A1 Method of preparing polyol compounds |
| 02/04/1993 | WO1993002033A1 Method of producing polyol ethers |
| 02/04/1993 | WO1993002032A1 Telomerization process |
| 02/04/1993 | CA2093212A1 Liquid-crystalline compounds |
| 02/03/1993 | EP0525444A1 Process for the preparation of fluorinated polyethers |
| 02/03/1993 | EP0525038A1 Process for preparation of resorcinol bis(dihydroxyethyl)ether. |
| 02/03/1993 | EP0525027A1 Process for recovering natural gas in the form of a normally liquid carbon containing compound. |
| 02/03/1993 | EP0307458B1 Processes for isomerizing and oxidative iodinating aromatic compounds |
| 02/02/1993 | US5183947 One step synthesis of methyl t-butyl ether from t-butanol using fluorophosphoric acid-modified clay catalysts |
| 02/02/1993 | US5183946 Reacting a diol derivative with acetylene in presence of basic catalyst; used as chemical intermediate for producing polyurethane useful as hard durable protective coating after curing |
| 02/02/1993 | US5183925 Leukotriene-b4 derivatives, process for their production and their use as pharmaceutical agents |
| 01/28/1993 | DE4124665A1 Verfahren zur herstellung von polyolverbindungen Process for the preparation of polyol |
| 01/27/1993 | CN1068322A Preparation process of diethylene glycol monomethyl ether |
| 01/27/1993 | CN1068320A Process for isomerizing linear olefins to isoolfins |
| 01/26/1993 | US5182025 Method of neutralizing polyol catalysts and products |
| 01/21/1993 | WO1993001173A1 Production of aromatic olefins |
| 01/21/1993 | WO1993001154A1 Production of alkyl tertiary alkyl ethers from isoalkanes |
| 01/21/1993 | DE4124199A1 Verfahren zur herstellung von polyolethern Process for the preparation of polyol ethers |
| 01/20/1993 | EP0523838A2 Process for isomerizing linear olefins to isoolefins |
| 01/20/1993 | EP0523812A1 A process for the separation of colloidal barium phosphate or colloidal barium sodium phosphate |
| 01/20/1993 | EP0523475A1 Propargyl ethers and process for their preparation |
| 01/20/1993 | EP0523089A1 Use of hydrophobised hydrotalcites as catalysts for ethoxylation or propoxylation. |
| 01/20/1993 | EP0371995B1 Process for producing phenylhydroquinones |
| 01/20/1993 | CN1068103A One-step synthesis of ortho-formate |
| 01/20/1993 | CN1068101A Process for dehydrochlorating 1.1-bis(r-phenyl)-2,2,2-trichloroethane |
| 01/19/1993 | US5180520 Ferroelectric liquid crystal compositions containing halogenated cores and chiral halogenated cores and chiral haloalkoxy tail units |
| 01/19/1993 | CA2073996A1 Process for the separation of colloidal barium phosphate or colloidal barium sodium phosphate |
| 01/13/1993 | EP0522920A1 Distillation-reaction device and its use for the realization of balance reactions |
| 01/13/1993 | EP0522476A1 Method for separating linear aliphatic compounds terminated by fonctional groups |
| 01/13/1993 | EP0522041A1 Removal of nitrogenous components of a hydrocarbon feedstream. |
| 01/13/1993 | CA2073112A1 Process for separating off aliphatic straight-chain compounds having terminal functional groups |
| 01/12/1993 | US5179052 One step synthesis of metyl t-butyl ether from 5-butanol using fluorosulfonic acid-modified zeolite catalysts |
| 01/12/1993 | US5178748 Alkylation or dealkylation catalysts for aromatic hydrocarbons |
| 01/11/1993 | EP0532497A4 Fatty alcohol alkoxylate. |
| 01/10/1993 | CA2073359A1 Process for the preparation of fluorinated polyethers |
| 01/07/1993 | EP0521699A2 Synthesis of alkyl tert-alkyl ethersusing clay catalysts |
| 01/07/1993 | EP0521347A1 Process for the preparation of perfluoro ethers |
| 01/05/1993 | US5177289 Oligomerization, etherification, fixed catalyst bed |
| 01/05/1993 | US5177258 Method of production of biaryl derivatives |
| 01/05/1993 | US5177114 Converting natural gas into synthesis gas and then to methanol and dimethyl ether, compression, gasoline |
| 01/05/1993 | CA1312339C Process for the production of 1,2,2,2-tetrafluoroethyl difluoromethyl ether |
| 01/05/1993 | CA1312338C Process for the preparation of vinyl ethers |
| 01/02/1993 | CA2069395A1 One step synthesis of methyl t-butyl ether from t-butanol using fluorocarbon sulfonic acid polymers on inert supports |
| 12/30/1992 | EP0338054B1 Cross coupling of titanium organyls |
| 12/29/1992 | US5175374 Process for the separation of colloidal barium phosphate or colloidal barium sodium phosphate |
| 12/29/1992 | US5175135 Alkylation of aromatic compounds to alkylates enriched in the linear substituted isomers |
| 12/23/1992 | EP0519807A1 Process for the dehydrochlorination of 1,1-bis(R-phényl)-2,2,2-trichloroethanes |
| 12/23/1992 | CN1019550B Process for preparing copper bearing methanol dissociation catalysts by carbon dioxide calcination |
| 12/22/1992 | CA2071700A1 Process for the preparation of perfluorinated ethers |
| 12/22/1992 | CA1311709C Process for the purification of diethoxymethane from a mixture with ethanol and water |
| 12/16/1992 | EP0518765A1 Process for the preparation of polyglycerols and polyglycerol esters |
| 12/16/1992 | EP0518534A1 O-Hydroxyalkylation of 1,1,-dihydro fluorinated alcohols |
| 12/16/1992 | EP0518506A2 Production of bis(fluoromethyl)ether and difluoromethane |
| 12/16/1992 | EP0260305B1 Quinolinyl ether tetrazole as agent for the treatment of hypersensitive ailments |
| 12/16/1992 | CN1067047A Process for preparing aromatic ester or ether, especially 6-methoxy methyl naphthoate |
| 12/15/1992 | US5171893 Catalyzed reaction of fluoroalkylsilanes with acyl fluorides or fluorinated aromatic compounds |
| 12/15/1992 | CA1311502C Preparation of dien-1-o1s, 9-hydroxydodec-10-enyl 1-tert-butyl ether and use thereof as an intermediate for synthesizing 8,10-dodecadienol |
| 12/10/1992 | DE4118568A1 Glycerol ether prodn. - by reacting aq. alkyl sulphate paste with glycerol in presence of base |
| 12/09/1992 | CN1019387B Process for prepn. of propanol derivatives |
| 12/08/1992 | US5169989 Adding buffers to polyether reaction mixture before heating to remove water |
| 12/02/1992 | EP0516311A1 Chemical process for the manufacture of trifluoroacetaldehyde |
| 12/02/1992 | EP0516017A2 Method for the production of polyalkylene oxides with a narrow molecular weight distribution using an antimony pentahalogen complex as catalyst |
| 12/02/1992 | EP0515636A1 Process for the preparation of glycol ethers |
| 12/02/1992 | CN1066649A Alkenyl ether preparation by aldehyde acetal liquid phase eleavage |
| 12/01/1992 | US5167937 Production of gasoline and ether from methanol with feedstock extraction |
| 12/01/1992 | CA2070056A1 Process for the preparation of alkoxylates having a narrow distribution of homologs using antimony pantahalide complexes as the catalyst |
| 12/01/1992 | CA1310984C Separation of 3,3',4,4',-and 2,3,3,'4'-tetramethyldiphenyl ether |
| 12/01/1992 | CA1310983C Anesthetic compound and method of preparing |
| 12/01/1992 | CA1310974C Alkane and alkene derivatives and their preparation and use |
| 11/26/1992 | DE4117033A1 Prodn. of oligo:glycerol mixts. - by condensing glycerol in presence of boron cpd. and continually removing water formed |
| 11/25/1992 | EP0514821A1 Improved method of production of biaryl derivatives |
| 11/25/1992 | EP0514683A1 Process for the preparation of alkyl-, alkenyl and alkinylchlorides |
| 11/25/1992 | EP0514652A1 Alcanediolbisacetals |
| 11/25/1992 | EP0514593A1 Production of ether from alcohol and isoolefin in the presence of H2O with H2O/alcohol recycle |
| 11/25/1992 | CN1066444A Continuous integrated process for producing dimethy carbonate and methyl tert-butyl ether |
| 11/25/1992 | CN1019191B Insecticidal ethers |
| 11/24/1992 | US5166455 Etherification of olefins with alcohols and distillation |
| 11/24/1992 | US5166454 Multistage etherification of isoalkane and hydrocarbon feeds in the presence of dehydrogentaion catalyst to obtain olefin and reaction with alcohol |
| 11/24/1992 | US5166453 Reacting zinc and iodide compound in acetic acid solution; separation |
| 11/24/1992 | US5166452 Adding as an inhibitor a quaternary phosphonium halide and alcohol |
| 11/24/1992 | US5166402 Herbicidal α-(5-aryloxy-naphthalen-1-yl-oxy)-propionic acid derivatives |
| 11/24/1992 | CA1310665C Process for dearylation of alkylenebisphenols and alkyltrisphenols |
| 11/19/1992 | EP0513142A1 Hydroxy containing fluorovinyl compounds and polymers thereof. |
| 11/18/1992 | CN1019109B Diphenyl ether derivatives pesticide compound |
| 11/17/1992 | US5164497 Decarboxylation processes using mixed metal oxide catalysts |
| 11/17/1992 | US5164124 Alkaline earth metal salts of vicinally hydroxy, alkoxy-substituted C16 -C22 fatty acids, a process for their production and their use as alkoxylation catalysts |
| 11/17/1992 | US5164114 Liquid crystal |
| 11/12/1992 | WO1992019578A1 Process for purifying and end-capping polyols made using double metal cyanide catalysts |
| 11/12/1992 | WO1992019577A1 Process for producing epoxy open ring products with a defined residual epoxy oxygen content |
| 11/12/1992 | DE4115149A1 Alkoxylation of fatty alcohol(s) - using cationic layer-lattice cpd. as catalyst, used as nonionic surfactants in detergents |
| 11/12/1992 | DE4115146A1 Verfahren zur herstellung von epoxid-ringoeffnungsprodukten mit einem definierten rest-epoxidsauerstoffgehalt A process for preparing epoxy ringoeffnungsprodukten having a defined residual epoxide oxygen |