| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 05/19/1992 | US5114900 Alkoxylation using modified calcium-containing bimetallic or polymetallic catalysts |
| 05/19/1992 | CA1301199C 2-bromo, 1',2'-dichloroperfluoro diethyl ether and process for preparing same |
| 05/19/1992 | CA1301194C Process for selective chloration of phenolic compounds |
| 05/14/1992 | DE4035682A1 Lokalanaesthetikum Local anesthetic |
| 05/14/1992 | CA2053833A1 Process and apparatus for producing .alpha.,.beta.-unsaturated acetals |
| 05/13/1992 | EP0485078A1 Process for the production of MTBE |
| 05/13/1992 | CN1061021A Method and apparatus for reclaiming waste tri-glycol with super filtration |
| 05/12/1992 | US5113024 Process for product separation in the production of di-isopropyl ether |
| 05/12/1992 | US5113023 Dehydrogenation of isobutane, preparation of alkyl tert-butyl ethers |
| 05/12/1992 | US5112789 Alkoxylation catalysis |
| 05/12/1992 | US5112788 Complex catalysts for making ethylene oxide adducts |
| 05/12/1992 | US5112784 Calcining magnesium and aluminum containing clay followed by rehydration, etherification catalysts |
| 05/12/1992 | US5112519 Process for production of biodegradable surfactants and compositions thereof |
| 05/12/1992 | CA1300644C Process for the preparation of naphthacenes |
| 05/10/1992 | WO1992008684A1 Local anaesthetic |
| 05/10/1992 | CA2096027A1 Local anesthetic |
| 05/08/1992 | CA2053616A1 Process for the production of mtbe |
| 05/06/1992 | EP0484219A2 Process for debrominating dibrominated naphthalene derivatives |
| 05/06/1992 | EP0483609A1 Liquid phase process for dimethyl ether synthesis |
| 05/06/1992 | EP0364538B1 Difluorobenzol derivatives |
| 05/05/1992 | US5110992 Process for the preparation of glycol ethers |
| 05/05/1992 | US5110991 Heterogeneous catalyst for alkoxylation of alcohols |
| 05/05/1992 | US5110961 Catalytic process for the synthesis of an alcohol, new metal complexes and process for the synthesis of these complexes |
| 04/30/1992 | DE4034305A1 Hydrophobierte doppelschichthydroxid-verbindungen, verfahren zur herstellung und ihre verwendung als alkoxylierungskatalysatoren Hydrophobicized double layer hydroxide compounds, methods of preparation and their use as alkoxylation |
| 04/30/1992 | DE4034109A1 Verfahren zur herstellung von biarylen A process to prepare biaryls |
| 04/29/1992 | EP0482938A1 Synthesis of fluorinated ethers |
| 04/28/1992 | US5108719 Reactor system for ether production |
| 04/27/1992 | WO1992007809A1 Process for the production of diaryls |
| 04/27/1992 | CA2094802A1 Process for the production of diaryls |
| 04/22/1992 | EP0481317A2 Method for dechlorination and/or debromination of aromatic compounds containing fluorine with chlorine and/or bromine |
| 04/22/1992 | CN1016336B Pesticide composition and preparation process therefor |
| 04/21/1992 | US5107034 Bromination of 4-hydroxyacetophenone, treating with methoxide to produce alpha-methoxy-4-hydroxyacetophenone, reduction |
| 04/20/1992 | CA2028031A1 Aryloxy alcoyl benzens, process for the preparation thereof and pharmaceutical compositions comprizing them |
| 04/14/1992 | US5105024 Isobutane and propane separately charged to different catalytic dehydrogenation zones; etherification with methanol or other lower alkanol |
| 04/14/1992 | US5105023 Conversion of light olefins to alcohols and ethers using synthetic zeolite as acid catalyst |
| 04/14/1992 | US5105022 Preparation of 1,2-dialkoxyethenes |
| 04/14/1992 | US5105021 Preparation of a difluorohalomethoxybenzene |
| 04/14/1992 | US5105020 Cycloalkane derivatives |
| 04/14/1992 | US5104987 Reacting with alkylene carbonate, using mixed metal oxide catalyst; decarboxylation, decyclization |
| 04/14/1992 | US5104575 Alkoxylation using heterogeneous calcium catalysts and products therefrom |
| 04/14/1992 | US5104503 Photochemical dimerization of organic compounds |
| 04/08/1992 | EP0479363A2 Alkoxylation of active hydrogen-containing compounds |
| 04/07/1992 | US5103042 Method for reducing unsaturation of polyethers |
| 04/07/1992 | US5102849 Catalyst selectivity for oxyalkylation; reuse |
| 04/07/1992 | US5102578 Electrooptics |
| 04/07/1992 | US5102549 Treatment of lower glycol-containing operative fluids |
| 04/07/1992 | US5102428 Acidic metallosilicate catalyst |
| 04/03/1992 | CA2052553A1 Synthesis of fluorinated dimethyl ethers |
| 04/02/1992 | WO1992005136A1 Method for the preparation of trans-3,3,5-trimethylcyclohexyl ethyl ether |
| 04/02/1992 | WO1992005134A1 Process for the production of di-trimethylolpropane |
| 04/01/1992 | EP0478311A2 Preparation of 6-Substituted 2-Vinylnaphthalene |
| 04/01/1992 | EP0478076A2 Processes for the preparation of hydroxyl-containing compounds |
| 04/01/1992 | EP0478075A2 Decarboxylation processes |
| 04/01/1992 | EP0477531A2 Process for inhibiting and destroying peroxides in dialkyl ethers |
| 04/01/1992 | EP0477359A1 Synthesis of cyclitols from substituted arene diols. |
| 04/01/1992 | EP0245462B1 Perfluorination of ethers |
| 03/31/1992 | US5100854 Phosphonium salts and processes for production of and uses for the same |
| 03/31/1992 | US5100852 Ion exchanging mordenite or zeolite ZSM-5, preparation of vinyl ethers from acetals |
| 03/31/1992 | CA1298317C Vapor phase bromination of aromatic compounds |
| 03/31/1992 | CA1298292C Aromatic compounds, their preparation process and their use in cosmetic |
| 03/27/1992 | CA2052185A1 Preparation of 6-substituted-2-vinylnaphthalene |
| 03/25/1992 | EP0476784A1 Processes for the preparation of ethers |
| 03/25/1992 | EP0313604B1 Electro-optical liquid crystal display element |
| 03/24/1992 | US5099072 Dehydration reaction of tert-butyl alcohol with methanol in the presence of montmorillonite clay catalyst |
| 03/24/1992 | US5098895 Benzonaphthalene derivatives, a process for their preparation and their use in therapeutic and cosmetic compositions |
| 03/22/1992 | CA2050554A1 Process for inhibiting and destroying peroxides in dialkyl ethers |
| 03/21/1992 | CA2051487A1 Alkoxylation of active hydrogen-containing compounds |
| 03/21/1992 | CA2051468A1 Processes for the preparation of ethers |
| 03/21/1992 | CA2051458A1 Processes for the preparation of hydroxyl-containing compounds |
| 03/19/1992 | WO1992004116A1 The method for fabrication of catalysts with acid-base and redox properties, consisting of heteropolyanions molecularly dispersed in polymer matrices |
| 03/19/1992 | DE4029425A1 Verfahren zur herstellung von trans-3,3,5-trimethylcyclohexylethylether Process for the preparation of trans-3,3,5-trimethylcyclohexylethylether |
| 03/19/1992 | DE4029323A1 Vefahren zur herstellung von oligoglyceringemischen mit hohem diglyceringehalt Vefahren for manufacturing oligoglycerol mixtures with a high diglycerol |
| 03/17/1992 | US5097078 Catalytic hydroxylation of phenols/phenol ethers |
| 03/17/1992 | US5097047 Fungicidal and plant growth-regulating azolylmethyl-cyclopropyl derivatives |
| 03/17/1992 | CA1297484C Production for substituted acetylenic compounds |
| 03/16/1992 | WO1992005133A1 Method of preparing oligoglycerine mixtures with a high diglycerine content |
| 03/16/1992 | CA2091687A1 Process for the production of oligoglycerol mixtures of high diglycerol content |
| 03/11/1992 | EP0474188A2 Methyl-tertiaryalkyl ether production |
| 03/10/1992 | US5095165 Hydrocarbon lubricants containing polar groups |
| 03/10/1992 | US5095159 Ether and hydrocarbon production |
| 03/10/1992 | US5095153 Diethers usable in the preparation of ziegler-natta catalysts |
| 03/10/1992 | CA1297127C2 Polycyclical aromatic derivatives and cosmetic use |
| 03/10/1992 | CA1297125C Naphthylaromatic compounds; process for preparing the same and their use in cosmetics |
| 03/10/1992 | CA1297121C Process for the preparation of perhalohydrocarbon hypochlorites |
| 03/10/1992 | CA1297032C Use of avarone and avarol and derivatives thereof for the control of aidsand arc |
| 03/10/1992 | CA1297031C Use of avarone and avarol and derivatives thereof for the control of adult t-cell leukemia/lymphoma |
| 03/05/1992 | WO1992007795A1 Hydrophobised double-layer hydroxide compounds |
| 03/05/1992 | WO1992003401A1 Etherification process |
| 03/04/1992 | EP0264435B1 Smectic liquid crystal phases |
| 03/03/1992 | US5093516 Aromatic compounds, a process for their preparation and their use in human and veterinary medicine and for cosmetic compositions |
| 03/03/1992 | US5093512 Reacting Fluoroalkylsilanes With Fluoroalkyl Olefins |
| 03/03/1992 | US5093432 Perfluorination of esters or ethers |
| 03/03/1992 | US5093027 Chiral dopants for liquid crystalline mixtures |
| 03/03/1992 | US5092966 Separation of methylene chloride from ethyl ether by extractive distillation |
| 02/26/1992 | EP0472423A2 Preparation of perfluorooligoether iodides |
| 02/26/1992 | EP0471941A2 An improved process for the preparation of 5-bromo-2-methoxyresorcinol |
| 02/26/1992 | CN1015621B Process for preparing polyxyalkylene with narrow distribution of molecular weight |
| 02/25/1992 | US5091597 Using zinc, cadmium, mercury or tin halide promoters |
| 02/25/1992 | US5091590 Ether production with staged reaction of olefins |
| 02/25/1992 | US5091589 Decarboxylation of acyl fluoride modified polyether with alkali metal halide |