Class 568/907 - Preparing from ether

Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Processes which include reacting an ether to produce the
No. of patents: 54
Last issue date: 12/07/2010

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Number	Title	Issue Date
7847135	Propylene oxide isomerization process The invention is a process to produce allyl alcohol from propylene oxide. The process comprises isomerizing propylene oxide in the presence of a lithium phosphate catalyst which contains boron and from 2000 to 4000 ppm sodium. The propylene oxide conversion is 37 pe...	12/07/2010
7396964	Enantiomerically enriched 2-butanol The present invention relates to a process for preparing enantiomerically enriched 2-butanol and to its use. ...	07/08/2008
7173158	Mixed metal oxide containing sulfur The invention relates to a composition of matter comprising at least one metal from Group 3, at least one metal from Group 4, sulfur and oxygen, particularly useful as a catalyst for ether decomposition to alkanols and alkenes. ...	02/06/2007
7161047	Process for preparing secondary alcohol A process for preparing a secondary alcohol which is characterized in adding a primary or a secondary amine in the reaction system in case that the secondary alcohol is prepared by hydrogenating in the presence of a noble metal, an epoxy derivative represented by th...	01/09/2007
7012039	Oxide catalyst composition An oxide catalyst composition for use in producing methacrolein or a mixture of methacrolein and methacrylic acid, wherein the oxide catalyst composition is represented by the formula (Mo+W)l2BiaAbBcFedXe	03/14/2006
6906229	Process for hydrolyzing di-isopropyl ether to isopropyl alcohol by catalytic distillation using a solid acid catalyst The invention relates to the production of isopropyl alcohol from di-isopropyl ether by catalytic distillation. The process solves, in particular, problems associated with the Sulfuric Acid Process. ...	06/14/2005
6790999	Process for the production of 3-buten-1-ol Disclosed is a process for the continuous, semi-continuous or batch production of 3-buten-1-ol from 3,4-epoxy-1-butene wherein 3,4-epoxy-1-butene and formic acid are fed to a reaction zone having a catalyst solution comprising a palladium(0) compound, a tertiary pho...	09/14/2004
6552236	Process for the cleavage of alkyl tert-alkyl ethers into isoolefins and alkanols over acid catalysts Alkyl tert-alkyl ethers are cleaved into the corresponding isoolefins and alkanols by a process comprising acid-catalyzed reactive distilling an alkyl tert-alkyl ether fed into the reaction zone of a reactive distillation apparatus as an azeotrope of the ...	04/22/2003
6518465	Reactive distillation process for hydrolysis of esters A process for hydrolyzing an alkyl ester to produce a carboxylic acid product and an ether product, the process includes the steps of introducing into a reaction zone of a reactive distillation column a feed containing the alkyl ester wherein the reaction...	02/11/2003
6479708	Biphasic catalysis in water/carbon dioxide micellar systems A process is provided for catalyzing an organic reaction to form a reaction product by placing reactants and a catalyst for the organic reaction, the catalyst of a metal complex and at least one ligand soluble within one of the phases of said aqueous biph...	11/12/2002
6184424	Process for the hydrogenation of hydroformylation mixtures A process for the hydrogenation of reaction mixtures from the hydroformylation of C5 to C24 olefins using hydrogen on fixed catalysts at elevated temperature, in which the aldehydes, alcohols, formates and low-boilers are evaporated ...	02/06/2001
6103943	Preparation of 3-buten-1-ol from 3,4-epoxy-1-butene Disclosed is a process for the synthesis of 3-buten-1-ol by contacting 3,4-epoxy-1-butene and formic acid with a homogeneous catalyst solution comprising a palladium(0) compound, a tertiary phosphine and a trialkylamine dissolved in tetrahydrofuran....	08/15/2000
5569789	Multistage indirect propylene hydration process for the production of diisopropyl ether and isopropanol A multistaged fixed catalyst bed process for the production of diisopropyl ether and isopropanol is disclosed comprising a fixed bed of serially connected stages containing zeolite Beta catalyst. A feedstream of propylene and water equivalents selected fr...	10/29/1996
5406007	Process for the production of unsaturated alcohols Disclosed is a process for the conversion of conjugated epoxyalkenes to unsaturated alcohols wherein a conjugated epoxyalkene is catalytically hydrogenated in the presence of a sulfur-modified or sulfided nickel catalyst whereby the epoxide ring is hydrog...	04/11/1995
5403964	Process for conversion of ethers to alcohols and olefins The present invention relates to enhanced process for converting certain ethers, such as sec-butyl ether and isopropyl ether to their corresponding reaction products in the presence of water. This may be accomplished by adding a rate enhancing surfactant,...	04/04/1995
5401888	Method for preparing allylic alcohols The present invention provides a method for preparing allylic alcohols by the palladium-catalyzed cross-coupling of vinylic epoxides and aryl halides, vinylic halides or vinylic triflates....	03/28/1995
5399788	Two-stage process for producing diisopropyl ether using hydration In process for the production of diisopropyl ether, a propylene-containing stream is contacted with isopropyl alcohol in a first stage in the presence of a catalyst under conditions to produce an effluent stream comprising diisopropyl ether. At least a po...	03/21/1995
5391773	Process for the selective hydrogenation of epoxyalkenes to epoxyalkanes Disclosed is a process for the homogeneous, catalytic hydrogenation of epoxyalkenes and epoxycycloalkenes, especially conjugated γ,δ-epoxyalkenes and γ,δ-epoxycycloalkenes, to the corresponding epoxyalkanes and epoxycycloalkanes using a solution of a ...	02/21/1995
5210337	Formaldehyde resistant catalyst for hydrogenation and hydrogenolysis of aldehydes, acetals, and esters Rhenium has been found to be formaldehyde resistant catalyst and is thus useful in the catalytic hydrogenation of carbonyls, acetals and esters to alcohols when the reaction medium contains formaldehyde as a reactant or impurity. Also, rhenium is a useful...	05/11/1993
5105028	Separation of hetero-atom(s) containing hydrocarbons Process for preparing one or more hetero-atoms containing hydrocarbons by contacting one or more hydrocarbons with a plasma-generated system derived from a source containing hydrogen atoms(s) and at least one hetero-atom in which process the plasma-genera...	04/14/1992
5043486	Aquathermolytic cleavage of ethers The present invention provides for a simplified process for converting ethers into their corresponding alcohols comprising forming an aqueous mixture of the ether and at least about 50% by weight water and heating the mixture under autogeneous pressure at...	08/27/1991
4958033	Process for preparing alcohols A process for preparing an alcohol of the formula: ##STR1## by reacting a carbonyl compound of the formula: ##STR2## or an oxirane of the formula: ##STR3## magnesium and a propargyl halide of the formula: ##STR4## followed by hydr...	09/18/1990
4904820	Process for substituting a hydrocarbon group This invention encompasses a process for preparing higher order cuprate complexes which contain a carbanion for the formation of carbon to carbon bonds in reactions such as 1,4-conjugate addition. The complex is formed by reacting a first cuprate cmoplex ...	02/27/1990
4714788	Tertiary olefin process In a process for separating C4 to C7 tertiary mono-olefins(s) present in a C4 to C7 hydrocarbon mixture containing diolefins which comprises selectively reacting said tertiary mono-olefin mixture with a primary ...	12/22/1987
4661643	Hydrogenolysis process for the production of monoethylene glycol monomethyl ether, monoethylene glycol and ethanol This invention relates to a process for selectively cleaving a polyalkylene glycol, e.g., diethylene glycol, containing at least one ether group therein at a carbon-to-oxygen covalent bond and independently at a carbon-to-carbon covalent bond by heating t...	04/28/1987
4649225	Hydrogenolysis of polyalkylene glycols to produce monoethylene glycol monoalkyl ethers, monoethylene glycol and ethanol This invention relates to a process for selectively cleaving a polyalkylene glycol, e.g., diethylene glycol, containing at least one ether group therein at a carbon-to-oxygen covalent bond and independently at a carbon-to-carbon covalent bond by heating t...	03/10/1987
4625050	Ether homologation to esters and alcohols using a heterogeneous sulfided catalyst A process for the conversion of dialkyl ethers to homologous carboxylic acid esters and alcohols which comprises reacting a dialkyl ether having from two to about twenty carbon atoms with hydrogen and carbon monoxide in the presence of a heterogeneous sul...	11/25/1986
4590313	Method for producing primary alcohols by catalytic hydrogenation of terminal epoxides A process for producing primary alcohols from terminal epoxides having a mono-substituted epoxy ring and having from 3 to 6 carbon atoms per molecule which process comprises contacting the epoxide and hydrogen gas with Raney cobalt catalyst under vapor ph...	05/20/1986
4590300	Preparation of allylic compounds Allyl methyl ethers are transetherified with alcohols by use of a catalyst of a solid acid that contains no mercury or cuprous salt catalyst....	05/20/1986
4581475	Process for continuously producing alcohols A process for producing a lower aliphatic alcohol by splitting ethers whereby ethers are reacted at an elevated temperature and pressure with an excess of water in the presence of acidic hydration catalysts is disclosed....	04/08/1986
4551560	Thermally-induced hydrolysis of acetal A process for the selective, thermally-induced hydrolysis of acetals to the corresponding aldehydes and alcohols is disclosed, involving heating and pressurizing a substantially acid-free acetal containing solution to effect the rapid hydrolysis of the ac...	11/05/1985
4551567	Deetherification process Ethers such as isobutyl tertiary butyl ether are dissociated into their component alcohols and isolefins by heat stabilized catalyst compositions prepared from nuclear sulfonic acid, for example, macroporous crosslinked polyvinyl aromatic compounds contai...	11/05/1985
4451678	Process for producing ethanol A process for producing ethanol which comprises reacting methanol, carbon monoxide and hydrogen in the presence of (a) a catalyst comprising cobalt or a cobalt compound and an alkyl phosphine as an effective component and (b) a co-catalyst comprising hydr...	05/29/1984
4447668	Process for producing high purity isoolefins and dimers thereof by dissociation of ethers Alkyl tertiary butyl ether or alkyl tertiary amyl ether is dissociated by vapor phase contact with a cation acidic exchange resin at temperatures in the range of 150° to 250° F. at LHSV of 0.1 to 20 to produce a stream consisting of unreacted ether, iso...	05/08/1984
4409421	Process for the preparation of pure tert.-olefins Pure tert.-olefins are prepared from mixtures of hydrocarbons, which contain at least one such tert.-olefin, by reaction with an alkanol to give the corresponding alkyl tert.-alkyl ethers, and subsequent cleavage of these ethers back to the corresponding ...	10/11/1983
4405822	Diisopropyl ether hydration in isopropanol production A process for producing alcohols by the direct hydration of olefins in which the ether by-product is hydrated with a large molar excess of water in a reaction zone which precedes a propylene hydration reaction zone....	09/20/1983
4393256	Hydration of olefins Alcohols may be obtained by an indirect hydration of olefinic hydrocarbons in which said olefinic hydrocarbon is esterified by treatment with an inorganic acid to form dialkyl and alkyl hydrogen salts. The esters are then hydrolyzed with water, the recons...	07/12/1983
4384148	Hydration of olefins Alcohols may be obtained by the indirect hydration of olefinic hydrocarbons in which the olefinic hydrocarbon is esterified by treatment with an organic acid such as acetic acid. The organic esters may then be hydrolyzed by treatment with water to form hy...	05/17/1983
4374286	Hydration of olefins Alcohols may be obtained by an indirect hydration of olefinic hydrocarbons in which the olefinic hydrocarbon is first esterified by treatment with an inorganic acid to form dialkyl and alkyl hydrogen salts. These salts are then trans-esterified by treatme...	02/15/1983
4371725	Process for the preparation of tertiary olefins and n-alkanols Process for the preparation of tertiary olefins by catalytic cleavage of their n-alkyl ethers at elevated temperature and with simultaneously recovery of the corresponding n-alkanols, characterized in that the cleavage is carried out in the presence of ac...	02/01/1983

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Class 568/907 - Preparing from ether