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Class 568/898 - Phosphorus containing catalyst utilized


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Processes wherein a catalyst containing phosphorus, in any
No. of patents: 40
Last issue date: 05/01/2007


NumberTitleIssue Date
7211702Process for production of alcohols
The invention disclosed relates to the production of alcohols. A first aspect of the invention relates to a process for production of alcohols, and in particular to a process for the catalytic hydration of an olefin to the corresponding alcohol in substantially anhy...
05/01/2007
7179948Process for preparing tert-butanol
The invention relates to a process for preparing tert-butanol by reaction of a homogeneous mixture comprising water, tert-butanol and an isobutene-containing hydrocarbon mixture over an acidic ion-exchange resin at from 30 to 120° C., wherein the homogeneous mixtur...
02/20/2007
7148387Process for producing hydroxyl group-containing compound
Discloses a process for efficiently producing a hydroxyl group containing compound with a simple apparatus and simple procedures using a very small amount of a catalyst, which process reduces a catalyst recovering step and a catalyst neutralization step vastly and d...
12/12/2006
7115787Method for producing tert-butanol by means of reactive rectification
The invention relates to a process for preparing tert-butanol (TBA) from isobutene-containing mixtures, in which at least part of the conversion is achieved with the aid of a reactive rectification. ...
10/03/2006
7064226Organopolysiloxanes containing phosphonic groups, method for the production and use thereof
The invention relates to new compounds of the formula, wherein R and R1 are each independently hydrogen, a linear or branched C1-40 alkyl, C2-40 alkenyl or C2-40 alkynyl group, an aryl or C1-40 alkylaryl group o...
06/20/2006
7026519Obtaining tert-butanol
The invention relates to a process for preparing tert-butanol (TBA) by reacting isobutene-containing hydrocarbon mixtures with water over acidic solid catalysts in a plurality of reactors, wherein the conversion is increased upstream of the last reactor by removing ...
04/11/2006
7002050Process for preparing tert-butanol from isobutene-containing hydrocarbon mixtures
The present invention relates to a process for preparing tert-butanol (TBA) by reacting an isobutene-containing hydrocarbon mixture with water over a solid acid catalyst in a reactor cascade, wherein at least one reactor is supplied alternately with two different is...
02/21/2006
6953867Process for the hydration of olefins
A catalyst support consisting mainly of synthetic silica, with 0.5-10 parts by weight of one or more oxides or phosphates of the elements of group IIA, IIIB, IVB, VB, VIB, VIIB, VIII, IB, IIB, IIIA, IVA and the lanthanides, wherein the support preparation method com...
10/11/2005
6951967Process for the preparation of tertiary alcohols by the hydration of tertiary olefins in a reactive rectification using a structured multi-purpose packing
Tertiary alcohols can be prepared by the hydration of tertiary olefins having the same number of carbon atoms on an acidic ion exchanger using special structured multi-purpose packings for heterogeneous reactive rectification. An excellent yield and purity of the al...
10/04/2005
6906229Process 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
6833483Process for production of alcohols
The invention disclosed relates to the production of alcohols. A first aspect of the invention relates to a process for production of alcohols, and in particular to a process for the catalytic hydration of an olefin to the corresponding alcohol in substantially anhy...
12/21/2004
6432869Moldings including pyrogenic mixed oxide and the use thereof
Moldings are disclosed for use as a catalyst or catalyst support for hydrating olefin, such as ethylene and propylene. The moldings are based on a pyrogenically produced mixed oxide having the following physicochemical parameters: External d...
08/13/2002
6320080Branched surfactant manufacture
Alpha-olefins are dimerized to form branched-chain feedstocks for detersive surfactants....
11/20/2001
6072090Olefin hydration process
This invention relats to a continuous process for the hydration of olefins with water in the vapour phase to the corresponding alcohol in the presence of a heteropolyacid salt as catalyst said process including the recycle of un-reacted olefin back to the...
06/06/2000
6037482Process for catalytic addition of nucleophiles to alkynes or allenes
A process for the catalytic addition of nucleophilic agents to alkynes or allenes to form alkenes substituted by the nucleophile which may further react with the nucleophile and/or isomerize comprises using a catalyst comprising a wholly or partly ionized...
03/14/2000
5824825Phosphoric acid catalyst and its use
A phosphoric acid catalyst on a shaped, inorganic support and its use for the hydration of olefins. At least 90 wt. % of the catalyst support consists of titanium dioxide and/or zirconium dioxide and has outstanding ageing stability under the hydrothermal...
10/20/1998
5488185Process for the production of ethanol and isopropanol
An ethene stream which contains ethane as an impurity or a propene stream which contains propane as an impurity is hydrated with water vapor in the presence of a hydration catalyst to produce ethanol or isopropanol, respectively. After removal of the alco...
01/30/1996
5059737Catalytic condensation process
A hydrocarbon conversion process which utilizes a solid phosphoric acid catalyst having a total X-ray intensity of at least 40 percent relative to alpha-alumina. The solid phosphoric acid catalyst is produced by crystallizing an amorphous mixture of an ac...
10/22/1991
4684751Catalytic compositions for preparing amides and primary alcohols
A catalytic composition useful for producing amides and primary alcohols from nitriles and alkenes respectively, comprising in the first instance water, a suitable nucleophile, and MHCl[P(R)3 ]2 wherein M is platinum, palladium, or n...
08/04/1987
4579984Process for the production of alcohols
A method is provided for the continuous production of isopropanol and secondary butyl alcohol by catalytically hydrating the corresponding aliphatic olefin in an elongated reaction vessel in which co-product by-product dialkyl ether is separated from the ...
04/01/1986
4484013Process for coproduction of isopropanol and tertiary butyl alcohol
A process is disclosed for the production of isopropanol and tertiary butyl alcohol from C3 and C4 hydrocarbons. The preferred embodiment of the invention comprises dehydrogenation of paraffins and direct hydration of the resulting o...
11/20/1984
4482767Process for production of alcohols and LPG
A hydrocarbon conversion process is disclosed for the production of lower alcohols and LPG from a mixture of C3 -minus paraffins and olefins. The feed stream is passed into a hydration zone wherein portions of the ethylene and propylene are con...
11/13/1984
4469905Process for producing and extracting C2 to C6 alcohols
A process for producing and recovering a C2 to C6 alcohol, which comprises contacting water and a C2 to C6 olefin with a hydration catalyst comprising an acidic ion exchange resin in a reaction zone under reacti...
09/04/1984
4465874Hydration of olefins
Olefins containing from 2 to about 6 carbon atoms may be directly hydrated by treatment with water in the presence of a catalyst comprising an alpha-zirconium phosphate. The use of this catalyst which possesses desirable thermal stability characteristics ...
08/14/1984
4424388Production of alcohols by hydration of olefins
A low temperature, low pressure process for the production of alcohol by the hydration of olefins. The olefin is contacted with a sulfonated ion-exchange resin in the presence of water and glycol diethyl solvent to hydrate said olefin, preferably propylen...
01/03/1984
4358626Process for the production of secondary alcohols
Secondary alcohols are produced by the hydration of a n-olefin substantially free from an isoolefin in the presence as catalyst of an acidic cation exchange resin such as a sulfonated styrene-divinylbenzene copolymer and in the presence of an oxy acid or ...
11/09/1982
4351970Method of preparing alcohols having two to four carbon atoms by catalytic hydration of olefins
A method is disclosed of preparing alcohols having 2 to 4 carbon atoms by catalytic hydration of the corresponding olefins on acid catalysts at elevated temperature and elevated pressure, characterized in that byproducts of the hydration, namely correspon...
09/28/1982
4351971Process for preparing lower alcohols
Lower alcohols are prepared by hydrating the corresponding olefin in an aqueous solution containing a chromium compound, phosphoric acid and heteropolyacid. Phosphoric acid has a high catalytic activity for the hydration of lower olefins, but causes a rem...
09/28/1982
4339617Hydration of olefins in the presence of a corrosion inhibitor
Olefinic hydrocarbons may be hydrated to form corresponding alcohols by treating said olefins with water in the presence of an acidic compound which acts as a catalyst, said hydration reaction being effected at a temperature in the range of from about 100...
07/13/1982
4327231Process for the production of tertiary alcohols
Tertiary alcohols are produced by the hydration of an isoolefin in the presence as catalyst of an acidic cation exchange resin such as a sulfonated styrene-divinylbenzene copolymer, and a polyhydric neo-type alcohol such as neopentyl glycol. The process i...
04/27/1982
4284831Process for the production of tertiary alcohols
Tertiary alcohols are produced by the hydration of an isoolefin in the presence as catalyst of an acidic cation exchange resin such as a sulfonated styrene-divinylbenzene copolymer and in the presence of an oxy acid or lactone thereof such as γ-valerolac...
08/18/1981
4236034Process for producing tert-butanol from mixed butylenes
A process for producing tert-butanol by selective hydration of isobutylene in a hydrocarbon mixture comprising isobutylene and n-butene where an aqueous solution is used which contains a heteropolyacid, characterized in that the hydration reaction of isob...
11/25/1980
4234748Process for the hydration of olefins employing slurried catalyst
Olefins such as ethylene and propylene are hydrated in the liquid phase at elevated temperature and superatmospheric pressure to the corresponding alkanols in an aqueous reaction medium containing a catalytically effective amount of at least one substanti...
11/18/1980
4182920Process for hydration of olefins to produce alcohols
An improved process for making an alcohol by hydration of an olefin in the presence of a cation exchange resin in the acid form as catalyst and in the presence of a solvent for the reactants and product alcohol, wherein the solvent and reactants are intro...
01/08/1980
4180688Method for continuously producing tert-butyl alcohol
A continuous method for producing tert-butyl alcohol from water and isobutylene in the presence of a strongly acidic cation exchange resin as a catalyst is characterized by: said catalyst particles being filled in a reactor, a liquid isobutylene being con...
12/25/1979
4060564Process for preparing alcohols
A process for preparing alcohols which comprises hydrating lower olefins in liquid phase with an aqueous 0.1 to 20.0 wt % phosphoric acid solution containing 0.001 to 1.0 wt % of an oxyacid of chromium or a salt thereof to give corresponding alcohols....
11/29/1977
3996298Process for the hydration of olefins
A process for the preparation of monohydric alcohols by contacting a monoolefin of 2-4 carbon atoms with an aqueous solution containing a heteropoly-acid ion, thereby subjecting the olefin to a hydration reaction, characterized in that said aqueous soluti...
12/07/1976
3992456Synthesis of alkadienols
Alkadienols are prepared by reacting a conjugated diolefin, such as butadiene, with water in the presence of palladium or platinum catalyst and in the presence of solvents. The addition of carbon dioxide to the reaction mixture greatly increases the yield...
11/16/1976
3988381Hydration method and catalyst
Disclosed are cross-linked polymer catalysts containing phosphonic acid groups on aliphatic bonds which are useful for hydrating alkenes under moderate temperature and pressure conditions....
10/26/1976
3943074Vinyl phosphonic acid-divinyl sulfone copolymer ion exchange resin
Disclosed are cross-linked polymer catalysts containing phosphonic acid groups on aliphatic bonds which are useful for hydrating alkenes under moderate temperature and pressure conditions....
03/09/1976
 
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