Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups
Patents for C07C 41 - Preparation of ethers; Preparation of compounds having groups, groups or groups (17,242)
10/1996
10/30/1996EP0696268A4 Ethylene glycol recovery process
10/29/1996US5569790 Process for removal of nitriles from etherification feedstocks
10/29/1996US5569789 Multistage indirect propylene hydration process for the production of diisopropyl ether and isopropanol
10/29/1996US5569788 Process for removal of impurities from etherification feedstocks
10/29/1996US5569787 Process for the production of ethyl tert.-alkyl ethers
10/29/1996US5569786 Isolation, structural elucidation and synthesis of novel antineoplastic substances denominated "combretastatins"
10/29/1996US5569674 Heteroacetic acid derivatives
10/28/1996CA2175135A1 Process for preparing aromatic acetylenes using palladacycles as catalysts
10/24/1996WO1996033154A1 Process for producing ether compounds
10/23/1996CN1033085C Method for manufacturing ethylene glycol methyl ethers
10/22/1996US5567857 Mixture of lower molecular weight compounds; nonionic surfactants forming water solutions having no sediment
10/22/1996US5567765 Artificial blood, contrast agent, organ preservative
10/16/1996EP0737509A1 Crystallized beads of a product which can be supercooled and process to prepare them
10/16/1996CN1133588A Alkylene glycols having a higher primary hydroxyl content
10/16/1996CN1133447A Material feeding control for chemical reactor
10/15/1996US5565689 Reactant for perfluoroalkylation of nucleophilic substrates with sodium perfluoroalkanesulphinates in an oxidizing medium
10/15/1996US5565068 Energy conservation during plural stage distillation
10/15/1996CA1338645C Isolation, structural elucidation and synthesis of novel antineoplastic substances denominated "combretastatins"
10/09/1996EP0736533A1 Intermediates and process for the preparation of an antiviral agent
10/09/1996CN1132738A Process for preparing atomatic olefins
10/09/1996CN1132733A Process for introduction fluoro substituents
10/08/1996US5563301 Sequential reaction of TBA and isobutylene with methanol
10/08/1996US5563299 Integrated process for the simultaneous production of alkyl tert-butyl ethers and 1-butene
10/08/1996US5563298 Stilbene-based materials, their preparation and use
10/08/1996US5563251 Reacting polyol with mixture of alkylene oxide and lipophilic compound having epoxide group
10/04/1996CA2172660A1 Intermediates and process for the preparation of an antiviral agent
10/03/1996WO1996030325A1 Process for the purification of 1,3-diethoxypropane by means of subatmospheric pressure distillation
10/03/1996WO1996030320A1 Preparation of cis-4-o-protected-2-cyclopentenol derivatives
10/02/1996EP0734407A1 Process for purifying polyols
10/02/1996EP0734406A1 Polyglycerol production
10/02/1996EP0734363A1 Fluorination process
10/02/1996DE19511668A1 High boiling di:alkyl ether prodn. used as heat exchange liquids
10/02/1996CN1132194A High pureness tetraglycol prepn. method
09/1996
09/26/1996DE19510890A1 Gas or liq. phase reaction process, e.g. vinylation
09/25/1996EP0733615A1 Process for producing diisopropyl ether
09/25/1996EP0733401A2 Method for carrying out gas/liquid reactions in the avoidance of a continuous gasphase
09/25/1996EP0733032A1 Alkoxylation process
09/25/1996CN1131934A Cargo compartment for lighter-than-air vehicle
09/24/1996US5559277 Process for preparing biphenyls using palladacycles as catalysts
09/24/1996US5559254 Pervaporation using a plasma polymerization membrane
09/21/1996CA2145050A1 Process for producing diisopropyl ether
09/19/1996WO1996028409A1 Production of trialkoxypropane
09/19/1996WO1996028408A1 Dimethyl ether production and recovery from methanol
09/19/1996WO1996028407A2 Process for the alkoxylation of fluorinated alcohols
09/19/1996CA2214141A1 Dimethyl ether production and recovery from methanol
09/19/1996CA2213860A1 Process for the alkoxylation of fluorinated alcohols
09/18/1996EP0732319A1 Process for working-up reaction mixtures formed by addition reactions of acetylene or propyne
09/18/1996EP0732318A1 A process of preparing oligomeric and/or polymeric polyol compounds and their use in the production of emulsifying agents and surfactants
09/18/1996EP0731781A1 Process for conversion of crude hydrocarbon mixtures
09/18/1996EP0640013B1 Acid catalysts
09/18/1996CN1131412A Method for preparing alkoxylation products in presence of additive modified mixed hydroxides
09/18/1996CN1032812C Method for preparation of diethylene glycol monomethyl ether
09/18/1996CN1032811C Production method for polyglycol dimethyl ether
09/17/1996US5557012 Fluorination of acetals, ketals and orthoesters
09/17/1996US5557008 Perfluoroalkanoic anhydride, inorganic peroxide
09/17/1996CA2135122C Synergistic process for the production of methanol
09/17/1996CA2054578C Process for debrominating dibrominated naphtalene derivatives
09/11/1996EP0730905A2 Thoria catalyst
09/11/1996EP0730904A2 Thoria catalyst
09/11/1996CN1130629A Natural circulation reactor and use
09/09/1996CA2171259A1 Thoria catalyst
09/06/1996WO1996026907A1 Microporous amorphous mixed metal oxides for form-selective catalysis
09/06/1996CA2213736A1 Microporous amorphous mixed oxides for shape selective catalysis
09/04/1996EP0729930A1 Process for the synthesis of hydrocarbons fluorinated on a carbon of an alkyl chain
09/04/1996EP0577637B1 Improved process for producing non-ionic surface-active compounds
09/03/1996US5552379 Floral, for cosmetics and household items
09/03/1996US5552024 Distilling a mixture of dipropylene glycol tert-butyl ethers and di-tert-butyl ethers using a glycol extracting agent
08/1996
08/29/1996WO1996019548A3 Regenerant recycle process for oxygenate removal
08/29/1996DE19506843A1 Mikroporöse amorphe Mischmetalloxide für formselektive Katalyse Microporous amorphous mixed metal oxides for shape-selective catalysis
08/29/1996DE19506442A1 Prodn. of 4-aryl-1-cyclohexene cpds. by reacting cyclohexene with aryl halide
08/29/1996CA2170566A1 Process for synthesizing fluorinated hydrocarbons on a carbon of an alkyl chain
08/28/1996EP0729085A1 Chemical reactor feed control
08/28/1996EP0729084A1 Chemical reactor feed control
08/28/1996EP0728724A1 Diethers suitable for use in the preparation of Ziegler-Natta catalysts
08/28/1996EP0728127A1 Synergistic process for the production of methanol
08/28/1996EP0728100A1 A cargo compartment for a lighter-than-air vehicle
08/28/1996CN1129689A Synthesis of methyl cedar ether
08/27/1996US5550300 Gradient catalyst system for the integrated production of isopropyl alcohol and diisopropyl ethers
08/27/1996US5550299 Reacting hydrogen cyanide with excess of a sacondary alcohol and hydrogen chloride;forming iminoether hydrochloride chemical intermediate
08/27/1996US5550298 Device for carrying out catalyzed reactions
08/27/1996US5550284 Production method for alkoxynaphthalenecarboxylic acid
08/27/1996US5550260 Process for the production of a cyclopentenol derivative
08/22/1996WO1996025376A1 Process for preparing olefins
08/22/1996DE19505037A1 Alkoxylation process useful for surfactants
08/22/1996CA2211719A1 Process for preparing olefins
08/21/1996EP0705239A4 Process for preparing phenethanol ethers
08/21/1996EP0691946A4 Process for clarifying alkoxylated alcohols
08/14/1996DE19504255A1 Low mol. polyether:ol] prodn. for low amt. of free starter substance
08/14/1996CN1128985A Synthesis of substituted triphenylenes, useful as discotic liquid crystals
08/08/1996WO1996023755A1 Preparation of fuel grade dimethyl ether
08/08/1996WO1996023754A1 Method for synthesis of aryl difluoromethyl ethers and the like
08/07/1996EP0725049A1 Process for preparing aromatic olefins by palladacycle catalysis
08/07/1996EP0724556A1 Alkylene glycols having a higher primary hydroxyl content
08/06/1996US5543567 Fluorination of acetals, ketals and orthoesters
08/06/1996US5543560 Hydrogenolytic reduction of peroxidic ozonolysis products
08/06/1996US5543557 Reacting polyol with propylene oxide in presence of alkali metal hydroxide catalyst, evaporating by-products, reacting with ethylene oxide, acrylating
08/06/1996US5543055 Molecular sieves of bis/difluoromethyl/ ether
08/01/1996WO1996023019A1 Polyglycol finishing process
08/01/1996WO1996022956A1 Selectively hydroxysubstituted triol
07/1996
07/25/1996WO1996022263A1 Etherification process
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