| Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242) |
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| 04/17/1990 | US4918244 One step, continuous processing; etherification of methanol and tert-butanol using solid acid catalyst |
| 04/17/1990 | US4918243 Methanol recovered by indirect heat exchange; etherification with acid catalyst to produce tert-butyl methyl ether |
| 04/17/1990 | US4918241 Method of preparing aromatic ethers from iodoaromatic compounds |
| 04/17/1990 | US4918213 Having a trifluoromethyl group attached to asymmetric carbon atom; stable; optical devices |
| 04/17/1990 | US4918176 Unsaturated cycloaliphatic derivatives |
| 04/17/1990 | US4917954 Laminated article from curable resin composition comprising bis maleimide and alkenyl phenyl hydroxy ether |
| 04/17/1990 | US4917817 Optical active compound, process for producing same and liquid crystal composition containing same |
| 04/17/1990 | US4917720 Fungicidal and plant-growth regulating azolyl ether ketones and alcohols |
| 04/12/1990 | DE3842622C1 Process for the preparation of biarylene |
| 04/11/1990 | EP0363308A1 Ethers |
| 04/11/1990 | EP0362816A1 Cyclopenteneheptanoic acid derivatives and method of preparation thereof |
| 04/11/1990 | CN1041152A Ethers |
| 04/10/1990 | US4916252 Process for preparing optically active alcohol |
| 04/10/1990 | US4916227 Preparation of biaryl compounds |
| 04/05/1990 | WO1990003410A1 Fluorination of acetals, ketals and orthoesters |
| 04/05/1990 | WO1990003357A1 Perfluoroacetal and perfluoroketal compounds and use thereof in thermal shock testing |
| 04/05/1990 | WO1990003355A1 Process for removing impurities from an aromatic stream |
| 04/05/1990 | WO1990003353A1 Liquid phase fluorination |
| 04/04/1990 | EP0361839A2 Dehydration process using azeotropic distillation |
| 04/04/1990 | EP0361695A2 Insecticidal compounds |
| 04/04/1990 | EP0361694A2 Insecticidal compounds |
| 04/04/1990 | EP0361621A2 Alkoxylation using a calcium sulfate catalyst |
| 04/04/1990 | EP0361620A2 Alkoxylation using modified group IIIB metal-containing bimetallic or polymetallic catalysts |
| 04/04/1990 | EP0361619A2 Alkoxylation catalysis |
| 04/04/1990 | EP0361618A2 Alkoxylation using modified calcium-containing catalysts |
| 04/04/1990 | EP0361617A2 Alkoxylation using modified calcium-containing bimetallic or polymetallic catalysts |
| 04/04/1990 | EP0361616A2 Alkoxylation using modified group IIA metal-containing bimetallic or polymetallic catalysts |
| 04/04/1990 | EP0361532A2 Ethane derivatives |
| 04/04/1990 | EP0361493A1 Diethers usable in the preparation of Ziegler-Natta catalysts and their preparation |
| 04/04/1990 | EP0361083A1 Use of metal acetyl acetonates as ethoxylation or propoxylation catalysts |
| 04/04/1990 | EP0361080A1 Process for the preparation of fatty alcohol derivatives |
| 04/03/1990 | US4914244 Process for preparing difluorochloromethoxybenzenes |
| 04/03/1990 | US4913727 Fungicidal and plant growth-regulating azolylmethyl-cyclopropyl derivatives |
| 04/03/1990 | CA1267420A1 Bicyclic naphthalenic derivatives, process for their preparation and use in human and veterinary medicine |
| 04/03/1990 | CA1267363A1 Cosmetics |
| 03/28/1990 | EP0360704A1 Process for removing impurities from an aromatic stream |
| 03/28/1990 | EP0360628A1 Derivates of norbornane and dimethanodecahydronaphthalene, useful for the preparation of new polymers |
| 03/28/1990 | EP0360043A1 p-Terphenyl derivatives and liquid crystalline compositions |
| 03/28/1990 | EP0360042A1 p-Terphenyl derivatives and liquid crystalline compositions |
| 03/28/1990 | CN1040784A Process for preparing addition products from alkyd oxides on compounds containing mobile hydrogens |
| 03/27/1990 | US4912276 Reacting an aryl halide to form a Grignard reagent; reacting with aryl chloride in presence of nickel catalyst |
| 03/22/1990 | WO1990002723A1 Process for producing fatty alcohol derivatives |
| 03/22/1990 | WO1990002722A1 Process for producing fatty alcohol derivatives |
| 03/22/1990 | WO1990002721A1 Use of metallic acetyl acetonates as catalysts for ethoxylation or propoxylation |
| 03/22/1990 | WO1990002603A1 Device for carrying out catalytic reactions |
| 03/21/1990 | EP0359305A1 Cyclopentane derivatives |
| 03/21/1990 | EP0359118A2 Method for the production of 1,1,2-trialkoxyethanes |
| 03/21/1990 | EP0359117A2 Cycloalkylvinyl ethers, their production and application |
| 03/21/1990 | EP0358988A1 Process for the preparation of fatty alcohol derivatives |
| 03/14/1990 | EP0357671A1 Improved process for preparing aromatic fluorides. |
| 03/14/1990 | EP0357610A1 Insecticidal cyclopropyl-substituted di(aryl) compounds. |
| 03/14/1990 | CN1040360A Prepn. of methyl tertiarybutyl ether |
| 03/13/1990 | US4908388 Behavior modifying compounds |
| 03/13/1990 | CA1266646A1 Benzonaphtalenic derivatives, process for their preparation and uses as pharmaceutic and cosmetic agents |
| 03/12/1990 | EP0303617A4 Acid catalyzed process. |
| 03/07/1990 | EP0357348A2 Process for preparing p-bromophenoxyacetaldehyde dialkylacetal derivatives |
| 03/06/1990 | US4906792 O-hydroxyalkylation of 1,1-dihydroperfluorinated alcohols |
| 03/06/1990 | US4906788 Combined dehydrogenation etherification process |
| 03/06/1990 | US4906787 Process for the production of ethers |
| 03/06/1990 | US4906669 Isoprenoid derivatives and anti-ulcer agents containing the same |
| 02/28/1990 | EP0356255A2 Preparation of food grade esterified propoxylated glycerin from free fatty acids |
| 02/28/1990 | EP0355978A2 Process for preparing CHF2OCHFCF3 and CHF2OCHCLCF3 and novel intermediate compounds employed thereby |
| 02/28/1990 | EP0355552A2 Alkoxymethyl- and alkenyloxymethyl-cyclohexanes |
| 02/28/1990 | CN1040024A 2,3-difluorophenol derivatives |
| 02/26/1990 | EP0248879A4 Synthesis of aryloxypropanolamines and arylethanolamines. |
| 02/22/1990 | WO1990001487A1 Process for preparing dibenzocyclooctadiene type lignan |
| 02/21/1990 | EP0355025A2 Substituted (2-haloalkoxy-1,1,2-trifluoroethoxy)styrenes, process for their preparation and their use |
| 02/20/1990 | US4902837 Process for preparing Biphenols |
| 02/20/1990 | US4902835 Fluorinated butene derivatives and methods for their preparation |
| 02/20/1990 | US4902658 Alkoxylation using heterogeneous calcium catalysts and products therefrom |
| 02/14/1990 | EP0354655A2 1-Phenyl-1-propanol derivatives |
| 02/14/1990 | EP0354434A2 Process for the preparation of rod-like compounds |
| 02/13/1990 | US4900872 Process for the preparation of fluorohalogenated ethers starting from fluorooxy-compounds and halogenated olefins |
| 02/13/1990 | CA1265793A1 Cycloaliphatic unsaturated derivatives, process for their preparation and use as therapeutic agents |
| 02/07/1990 | EP0354134A1 Process for the monomethylation of phenolic compounds |
| 02/07/1990 | EP0353755A1 Process for the production of veratral and related alkyl-aryl-ethers |
| 02/06/1990 | US4898993 Process for preparing 2-tert-butyl-4-methoxyphenol |
| 02/06/1990 | US4898992 Process for the preparation of alkylene glycol dialkyl ethers |
| 02/06/1990 | US4898982 Preparation of diaryl ethers and diaryl sulfides |
| 02/06/1990 | US4898883 1-Substituted derivatives of 4-methoxy-2,3,6-trimethylbenzene, process for their preparation and medicinal and cosmetic compositions containing them |
| 02/06/1990 | EP0357671A4 Improved process for preparing aromatic fluorides. |
| 02/06/1990 | CA1265533A1 Process for producing 1, 4-butanedial |
| 02/01/1990 | DE3825578A1 Process for the preparation of alkenyl aromatics |
| 02/01/1990 | DE3825577A1 Process for the preparation of alkenyl aromatics |
| 01/31/1990 | EP0352718A2 Partially fluorinated compounds and polymers |
| 01/31/1990 | EP0352672A2 Process for the preparation of alkenyl aromatic compounds |
| 01/29/1990 | EP0314759A4 Asymmetric hydroformylations of prochiral olefins to chiral aldehydes in high enantiomeric excess. |
| 01/24/1990 | EP0352164A1 Hydrogenolysis method |
| 01/24/1990 | EP0352034A2 Process and intermediate compound for the preparation of CHF2OCHFCF3 |
| 01/24/1990 | EP0351822A2 Tricyclic cyclohexenyl cyclohexane derivative |
| 01/24/1990 | EP0351603A2 Transvinylation reaction |
| 01/23/1990 | US4895988 Process for the mutual condensation of aromatic and carbonylic compounds |
| 01/23/1990 | US4895987 Phosphonite-and phosphonite-promoted ruthenium - cobalt catalysts for the dealkoxyhydroxymethylation of acetals to form glycol ethers |
| 01/23/1990 | US4895818 Phosphonite-and phosphinite-promoted ruthenium - cobalt catalysts for the dealkoxyhydroxymethylation of acetals to form glycol ethers |
| 01/23/1990 | US4895672 Tolan compound and liquid crystal composition containing the same |
| 01/23/1990 | CA1264764A1 Process for producing aromatic diols and their ether derivatives |
| 01/23/1990 | CA1264660A1 Stabilization of 5 chloro-3-isothiazolones |
| 01/17/1990 | EP0263100B1 Water aided catechol etherification |
| 01/16/1990 | US4894485 For formation of polyethers |
| 01/16/1990 | US4894181 Carbocyclic compounds |