Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 43 - Ethers; Compounds having groups, groups or groups
Patents for C07C 43 - Ethers; Compounds having groups, groups or groups (24,599)
11/1991
11/26/1991US5068458 Chemical process for halogenating 2-methyl-6-methoxynaphthalene
11/26/1991US5068457 Multistage process of etherification of an aromatic diol with an aryl alkyl ketone to form an arylene ether dicarbonyl addu ct and oxidizing followed by saponification
11/26/1991US5068452 Aromatic aldehydes and their derivatives
11/26/1991US5068446 Crystallization and heat treatment
11/26/1991US5068433 Antidepressants
11/26/1991US5068432 Process for producing optically pure 2-phenoxyphenylalkylamines
11/26/1991US5068403 Intermediates useful in the production of pesticides
11/26/1991US5068400 Acrylic of methacrylic modified glycols as monomers for polymers used in contact lenses
11/26/1991US5068397 Alcohols as intermediates for polyurethanes, polyesters and polycarbonates
11/26/1991US5068340 Antagonist of platelet activating factor for treatment of asthma, inflammation or shock
11/26/1991US5068252 Acids, esters, amides, alcohol and ether derivatives
11/26/1991US5068053 Liquid crystals for optical apparatus
11/26/1991CA1292476C Radiation-hardenable diluents
11/25/1991CA2042931A1 Fluorinated bis (hydroxymethyl) cyclobutyl purines and pyrimidines
11/25/1991CA2041239A1 Production of diisopropyl ether
11/23/1991CA2042863A1 Hardenable compositions
11/22/1991WO1991017987A1 Phenol and pyridinol derivatives as pharmaceuticals
11/22/1991CA2081982A1 Phenol and pyridinol derivatives as pharmaceuticals
11/21/1991EP0456658A1 Vinyloxy hydroxyalkylcycloalkane and preparation therefor
11/21/1991DE4016130A1 New 4-alkoxyalkyl phenyl:cyclohexane(s) - used as components of liq. crystal media for electro=optical displays
11/21/1991DE4015681A1 Partly-fluorinated 1,2-di:substd. ethylene(s) - useful as components of liq. crystal media for electro-optical displays
11/19/1991US5066825 Process for preparing a naphthalene derivative
11/19/1991US5066815 Asymmetric hydrogenation of ketone, ruthenium-phosphine catalyst
11/19/1991US5066746 Dielectric Fluids, Lubricants And Plastics
11/14/1991WO1991017135A1 Phenyl cyclohexanes and liquid crystal medium
11/14/1991WO1991017134A1 Phenyl cyclohexanes and liquid cristal medium
11/13/1991EP0456317A1 Catalyst compositions and polymerization process, hexakisphosphines and hexahalo compounds
11/13/1991EP0456157A1 Process of producing chloroacetals
11/13/1991EP0455826A1 Substituted open-chain terpene compound
11/13/1991EP0455822A1 Open-chain terpene compound
11/13/1991CN1056100A Method of producing alkanesulfonanilide derivatives
11/12/1991US5064569 Liquid crystals, chirally tilted, phenyl carboxylates
11/12/1991US5064565 Cyclohexenylethane compound
11/12/1991CA1292049C Inclination measuring device
11/12/1991CA1292002C Propanol derivatives
11/11/1991CA2042127A1 Catalyst compositions and polymerization process, hexakisphosphines and hexahalo compounds
11/06/1991EP0455004A1 Process for the preparation of dimethyl ether
10/1991
10/31/1991WO1991016291A1 Phenyl cyclohexanes and liquid crystalline medium
10/31/1991WO1991016290A1 Synthesis of cyclitols from substituted arene diols
10/31/1991WO1991016286A1 PROCESS FOR PRODUCING α-FLUOROSTYROLS
10/31/1991DE4113310A1 New 1-haloalkyl 4-fluoro opt.-phenyl-cyclohexane cpds. - are components of liq. crystal media for twisted cell devices with high stability, good solubility, etc.
10/31/1991DE4111028A1 New fluoro-substd. phenyl-cyclohexane derivs. - are components of liq. crystal media for twisted cell devices, with good solubility, high stability, etc.
10/31/1991DE4013305A1 Verfahren zur herstellung von (alpha)-fluorstyrol Process for the preparation of (alpha) -fluorstyrol
10/30/1991EP0454337A1 Catalyst pretreatment for olefin hydration
10/30/1991EP0453967A1 Process for the preparation of alkoxylates with a narrow distribution of homologues
10/30/1991EP0453842A2 Fluor subsituted derivatives of alpha-(5-aryloxy-naphthalen-1-yloxy)propionic acid
10/29/1991US5061819 Methods for synthesizing phosphonate reagents and retinoids
10/29/1991US5061718 Benzothiazolylmethoxy compounds, pharmaceutical compositions comprising the same and their use as anti-inflammatory or anti-allergenic agents
10/29/1991US5061400 Wide temperature range, high response speed, low driving voltage
10/29/1991US5061394 Refrigerants, aerosol propellants, blowing agents; environmentally safe substitutes for freons"
10/27/1991CA2040695A1 Catalyst pretreatment for olefin hydration
10/24/1991DE4111990A1 Alkoxy di- and tri-fluoro-tolan(s) - useful as components of LC media
10/24/1991DE4110865A1 New halogenated phenyl-cyclohexane(s) - useful as components of LC media for electro=optical displays
10/23/1991EP0453066A1 Indanderivatives
10/23/1991EP0452719A1 Halogenated biphenyles and liquid crystal medium
10/23/1991EP0452444A1 Phenylcyclohexanes and liquid crystalline media
10/23/1991EP0291507B1 Electronic inclinometer
10/22/1991US5059725 One step synthesis of methyl t-butyl ether from t-butanol plus methanol using Group IV oxides treated with sulfates or sulfuric acid
10/22/1991US5059723 Efficiency; purity
10/22/1991US5059720 Hydroxy containing fluorovinyl compounds and polymers thereof
10/22/1991US5059609 Lipoxygenase inhibitors; leukotriene receptor blockers; psoriasis; antiulcer agents and myocardial infarctions
10/22/1991US5059342 Novel chemical compounds and their use as low foam surfactants and antifoaming agents
10/22/1991CA2040834A1 Process for the preparation of alkoxylates having a narrow homolog distribution
10/22/1991CA1291161C Preparation of anhydrous alkanesulfonic acid
10/22/1991CA1291148C Alkoxylation process using calcium based catalysts
10/17/1991WO1991016292A1 Process for preparation of resorcinol bis(dihydroxyethyl)ether
10/17/1991WO1991015450A1 Phenyl cyclohexanes and liquid crystal medium
10/17/1991WO1991015449A1 Removal of nitrogenous components of a hydrocarbon feedstream
10/16/1991EP0451989A1 Etherification of gasoline
10/16/1991EP0451851A1 Process for purifying perfluoro(propylvinylether)
10/16/1991EP0451394A1 Mtbe preparation from isobutylene/tba and methanol in presence of an acid resin catalyst
10/16/1991EP0451155A1 Fluorinated lubricating compositions.
10/16/1991EP0306521B1 Ethine derivatives as compounds of liquid crystal phases
10/15/1991US5057477 Cyanohydrination catalyst and process
10/15/1991CA1290768C2 Chloromethyl heterocyclics
10/15/1991CA1290760C Reduction of carboxylic esters
10/10/1991DE4110018A1 New phenyl cyclohexane cpds. - used in liquid crystalline medium for electro=optical display
10/09/1991EP0450717A2 Niobium alkoxyalkoxides and process for formation
10/09/1991CN1055174A Processing of anise camphor with high freezing point
10/09/1991CN1055173A Synthetic method of 1,7,7-trimethyl dicyclic (2,2,1) heptyl hydroxyalkyl ether and 1,7,7-trimethyl dicyclic (2,2,1) heptyl cyclic alkyl ether
10/08/1991US5055622 Novel tetrahydronaphthalene and indane derivatives
10/08/1991US5055613 Metabolites of pentanedioic acid derivatives
10/08/1991US5055592 For preparation of prostaglandin derivatives
10/08/1991US5055235 Bromination process
10/06/1991WO1991015451A1 Novel derivatives of phenyl-cycloalkanes and -cycloalkenes
10/06/1991CA2079785A1 Derivatives of phenyl-cycloalkanes and cycloalkenes
10/06/1991CA2038178A1 Niobium alkoxyalkoxides and process for formation
10/05/1991CA2039069A1 Etherification of gasoline
10/03/1991WO1991015441A1 Use of hydrophobised hydrotalcites as catalysts for ethoxylation or propoxylation
10/03/1991WO1991014668A1 Novel cyclopropyl squalene derivatives and their use as inhibitors of cholesterol synthesis
10/03/1991WO1991006522A3 Phenylcyclohexanes and liquid crystalline media
10/03/1991CA2079806A1 Use of hydrophobised hydrotalcites as catalysts for ethoxylation or propoxylation
10/02/1991EP0449602A1 Method for producing 4-(2'-methoxyethyl) phenol
10/02/1991EP0449288A2 Phenylethanes and liquid crystal medium
10/02/1991EP0449140A1 Process for preparing alkyl tert-alkyl ethers
10/02/1991EP0449015A2 Difluoromethyl compounds and liquid criystal medium
10/02/1991EP0448998A1 Production of ethyl tertiary alkyl ethers
10/02/1991EP0309533B1 Butyl hydroxyanisoles for the treatment of retroviral diseases
10/02/1991DE4109992A1 New halogenated bi:phenyl derivs. - useful as liq. crystal components
10/02/1991DE4010433A1 New chloromethyl substd. linear poly-cyclic cpds. - used in liq. crystal medium esp. for matrix or super-twist display
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