Class 568/905 - By condensation (e.g., by Guerbet reaction, etc.)

Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Processes which include combining two or more -OH containing
No. of patents: 28
Last issue date: 01/15/2008

Number	Title	Issue Date
7319178	Molecular sieve compositions, catalysts thereof, their making and use in conversion processes The invention relates to a catalyst composition, a method of making the same and its use in the conversion of a feedstock, preferably an oxygenated feedstock, into one or more olefin(s), preferably ethylene and/or propylene. The catalyst composition comprises a mole...	01/15/2008
7288689	Methanol and fuel alcohol production for an oxygenate to olefin reaction system The present invention provides various processes for producing C1 to C4 alcohols, optionally in a mixed alcohol stream, and optionally converting the alcohols to light olefins. In one embodiment, the invention includes directing a first portion of a syngas stream to...	10/30/2007
7208442	Molecular sieve compositions, catalyst thereof, their making and use in conversion processes The invention relates to a catalyst composition, a method of making the same and its use in the conversion of a feedstock, preferably an oxygenated feedstock, into one or more olefin(s), preferably ethylene and/or propylene The catalyst composition comprises a molec...	04/24/2007
7205447	Process for removing aldehydes and/or ketones from an olefinic stream The present invention provides a process for removing an oxygenate impurity selected from aldehyde and/or ketone, from an olefinic product stream. A product stream is contacted with a metal oxide-containing catalyst in the presence of a C1 to C6	04/17/2007
7199276	Controlling the ratio of ethylene to propylene produced in an oxygenate to olefin conversion process The present invention provides various processes for producing methanol and ethanol, preferably in a mixed alcohol stream. In one embodiment, the invention includes directing syngas to a synthesis zone wherein the syngas contacts a methanol synthesis catalyst and an...	04/03/2007
7195746	Interior surface modifications of molecular sieves with organometallic reagents and the use thereof for the conversion of oxygenates to olefins A method for making an organometallic treated molecular sieve is described in which a molecular sieve having at least one hydroxyl group and at least [AlO2] and [PO2] tetrahedral units and having an average pore dimension less than or equal to ...	03/27/2007
7196239	Methanol and ethanol production for an oxygenate to olefin reaction system The present invention provides various processes for producing light olefins from methanol and ethanol, optionally in a mixed alcohol stream. In one embodiment, the invention includes directing a first syngas stream to a methanol synthesis zone to form methanol and ...	03/27/2007
7119242	Interior surface modifications of molecular sieves with organometallic reagents and the use thereof for the conversion of oxygenates to olefins A method for the post synthesis modification of molecular sieves with organometallic reagents. The method may be used for large pore molecular sieves and small pore molecular sieves, such as SAPO-34. SAPO-34 is a useful catalyst for the conversion of oxygenates, suc...	10/10/2006
7081432	Alkylation catalyst and method for making alkylated phenols An alkylation catalyst comprises a metal oxide wherein the catalyst has a surface area to volume ratio of about 950 m2/m3 to about 4000 m2/m3. ...	07/25/2006
6995111	Molecular sieve compositions, catalysts thereof, their making and use in conversion processes The invention relates to a catalyst composition, a method of making the same and its use in the conversion of a feedstock, preferably an oxygenated feedstock, into one or more olefin(s), preferably ethylene and/or propylene The catalyst composition comprises a molec...	02/07/2006
6419797	Method for producing metal-free Guerbet alcohols There is provided a process for producing Guerbet alcohols not containing any heavy metals or soaps, wherein primary and/or secondary alcohols having 2 to 30 carbon atoms are condensed at elevated temperature in the presence of alkaline catalysts and/or h...	07/16/2002
6034141	Isobutanol synthesis catalyst The invention relates to a catalyst for conversion of methanol, ethanol alone or in combination with n-propanol to isobutanol and the process for making and using the catalyst. The catalyst is a noble metal supported on at least a first phase of mixed oxi...	03/07/2000
5811602	Isobutanol synthesis method The invention relates to a method for conversion of methanol, ethanol alone or in combination with n-propanol to the corresponding isoalcohols by contacting a catalyst of a noble metal supported on at least a first phase of mixed oxide crystallites contai...	09/22/1998
5777183	Process for the production of Guerbet alcohols The invention relates to a process for the production of Guerbet alcohols by condensation of aliphatic alcohols in the presence of alkali metal or alkaline earth metal hydroxides as catalyst using the Guerbet reaction, in which the initial pressure in the...	07/07/1998
5559275	Process for the conversion of lower alcohols to higher branched oxygenates A process is provided for the production of branched C4+ oxygenates from lower alcohols such as methanol, ethanol, propanol and mixtures thereof. The process comprises contacting the lower alcohols with a solid catalyst comprising a mixed meta...	09/24/1996
5493064	Noble metal large pore zeolyte catalyst for methanol-ethanol coupling The present invention discloses an alcohol coupling process in which a vaporized mixture of starting alcohols, preferably methanol and ethanol, is reacted with syngas in the presence of a large pore L zeolite, Y zeolite or large port mordenite, to form at...	02/20/1996
5300695	Process for preparing alcohols A process is provided in which an alcohol having X carbon atoms is reacted over an L-type zeolite catalyst to produce a higher molecular weight alcohol. In some embodiments, a first alcohol having X carbon atoms is condensed with a second alcohol having Y...	04/05/1994
5159125	Catalyzed vapor phased process for making alcohols A catalyzed, continuous vapor phase process to convert a C2 or higher olefin in combination with methanol to a mixture containing at least one higher molecular weight alcohol, for example, isobutanol, over a magnesium oxide composition. The pro...	10/27/1992
5095156	Catalyzed vapor phase process for making alcohols A catalyzed, continuous vapor phase process to convert a C2 or higher alcohol and, optionally, one or more C1 or higher alcohols, for example methanol and ethanol, to a mixture containing at least one higher molecular weight alcohol,...	03/10/1992
5068469	Process for preparation of condensed alcohols by alkoxide catalysts Condensed dimer alcohols, also known as Guerbet alcohols, are prepared using metal alkoxide as the catalyst by reacting alcohol with saturated or unsaturated aldehyde or allyl alcohol, or mixtures thereof, at 100°-220° C. and removing water as it is for...	11/26/1991
4987270	Preparation of 3-arylisobutyl alcohols 3-Arylisobutanols of the general formula I ##STR1## where R1 and R2 are each hydrogen or an alkyl or cyclo-alkyl radical of not more than 8 carbon atoms, preferably alkyl of 1 to 4 carbon atoms, are prepared by a process in whic...	01/22/1991
4935538	Oxygenate condensation The process for the production of high molecular weight oxygenates by condensing low molecular weight oxygenates in the presence of CO and a catalyst having the general formula Aa CuMc Xd Ox. In addition, a nove...	06/19/1990
4681868	Oxygenate condensation catalyst The process for the production of high molecular weight oxygenates by condensing low molecular weight oxygenates in the presence of CO and a catalyst having the general formula Aa CuMc Xd Ox. In addition, a nove...	07/21/1987
4533775	Process for the upgrading of lower alcohols to higher molecular weight alcohols A process is provided for the upgrading of lower alcohols to higher molecular weight alcohols by contacting the lower alcohol with a reaction promoter composition selected from alkali metal acetylides, Group IB metal acetylides, acetylides of the naturall...	08/06/1985
4518810	Process for preparation of Guerbet alcohols A Guerbert alcohol is effectively and selectively obtained by heating a primary alcohol in the presence of an alkaline substance and a copper-nickel catalyst in which a weight ratio of copper to nickel is in the range of from 1:9 to 9:1....	05/21/1985
4011273	Method for the production of guerbet alcohols utilizing insoluble lead catalysts An improvement in the production of Guerbet alcohols by the condensation of alcohols in the presence of a catalyst and an alkali consisting of utilizing from 0.05 to 3.0 gm per mol of total alcohol of an insoluble lead salt of an oxyacid of a group IV ele...	03/08/1977
3979466	Process for condensation of alcohols A process for producing higher molecular weight alcohols by forming a reaction mixture of at least one lower molecular weight primary or secondary alkanol having a methylene group adjacent the hydroxylated carbon atom, an alkali catalyst and a palladium (...	09/07/1976
3972952	Vapor-phase conversion of methanol and ethanol to higher linear primary alcohols by heterogeneous catalysis A solid catalyst composition for the vapor phase conversion of methanol and ethanol to higher linear primary alcohols (e.g., n-propanol) is made up of particles of an inert, high surface area support (e.g., gamma-aluminum oxide) impregnated with an inorga...	08/03/1976

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Class 568/905 - By condensation (e.g., by Guerbet reaction, etc.)