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Patent Searching and Data


Matches 601 - 650 out of 6,167

Document Document Title
WO/2006/128649A1
Treatment at elevated temperature and advantageously superatmospheric pressure with an inert gas, especially nitrogen, rejuvenates molecular sieve catalysts deactivated by use in liquid-phase or supercritical or dense-phase olefin oligom...  
WO/2006/115644A2
Processes for recovering at least one triarylphosphine from a Group VIII metal catalyst triarylphosphine complex mixture are provided. The processes are particularly useful for recovering the triarylphosphine from spent Group VIII metal ...  
WO/2006/115644A3
Processes for recovering at least one triarylphosphine from a Group VIII metal catalyst triarylphosphine complex mixture are provided. The processes are particularly useful for recovering the triarylphosphine from spent Group VIII metal ...  
WO/2006/113260A1
This invention relates to a process for activating a hydroprocessing catalyst and the use of activated catalyst for hydroprocessing. More particularly, hydroprocessing catalysts are activated in the presence of carbon monoxide. The catal...  
WO/2006/113259A3
This invention relates to a process for activating a hydroprocessing catalyst. More particularly, hydroprocessing catalysts are activated in the presence of carbon monoxide. The catalysts that have been activated by CO treatment have imp...  
WO/2006/113259A2
This invention relates to a process for activating a hydroprocessing catalyst. More particularly, hydroprocessing catalysts are activated in the presence of carbon monoxide. The catalysts that have been activated by CO treatment have imp...  
WO/2006/110383A2
The disclosure is directed to a process for purifying a titanium chloride-containing feedstock using an activated carbon bed, comprising: (a) providing the titanium chloride-containing feedstock comprising an impurity, such as arsenic, a...  
WO/2006/095568A1
The invention provides a process for the oxidation of organic compounds by oxidizing an organic compound with oxygen in the presence of a catalyst constituted of an N-hydroxyimide or N-(substituted oxy)imide, which makes it possible to m...  
WO/2006/090429A2
A process for the activation of molecular sieves, alumina or mixtures thereof able to allow the removal of O2 from hydrocarbons is described, as well as a purifier for O2 removal from hydrocarbons comprising such activated material and a...  
WO/2006/088602A2
The present invention relates to the removal of hydrocarbon residues from a catalyst and more specifically the air activation of a catalyst containing hydrocarbon residues and also related to extruded pipe resins comprising polyethylene ...  
WO/2006/088602A3
The present invention relates to the removal of hydrocarbon residues from a catalyst and more specifically the air activation of a catalyst containing hydrocarbon residues and also related to extruded pipe resins comprising polyethylene ...  
WO/2006/084872A2
The invention relates to the regeneration of inert carrier material of deactivated oxidation catalysts. Said method is characterized in that the deactivated oxidation catalysts are washed in a rotating drum under the effect of ultrasound...  
WO/2006/084442A1
The invention relates to a method and system for heating regeneration gases by catalytic combustion, wherein said regeneration gases are used for regenerating catalysts in chemical reactors and are heated by a catalytic combustion of hyd...  
WO/2006/083828A3
A process for removing sulfur and sulfur compounds from a catalyst includes the following steps: exposing the catalyst to a reducing atmosphere and exposing the catalyst to microwave energy. Desorption of the sulfur and sulfur compounds ...  
WO2006009662A3
A method for recovering and reusing a ring-halogenation catalyst comprises: (A) contacting an aromatic compound with chlorine or bromine in the presence of a catalyst composition, where the catalyst composition comprises at least one sal...  
WO/2006/077326A1
The invention relates to a hydrocarbon hydroprocessing catalyst comprising a support based on at least one refractory oxide, at least one metal from group VIII and at least one metal from group VIB. The inventive catalyst is characterise...  
WO/2006/077302A1
The invention relates to a hydrocarbon hydroconversion catalyst comprising a carrier based on refractory oxide, a metal of the group VIII, and a metal of the group VIB. Said catalyst is characterised in that it also comprises at least on...  
WO/2006/078367A1
A method of reclaiming a titanosilicate from a deactivated or spent oxidation catalyst containing a titanosilicate having deposited thereon one or more catalytic metals, such as gold, and optionally, one or more promoter metals, the meth...  
WO/2006/072632A1
Process for the preparation of a catalyst composition comprising the steps of (a) treating an FCC equilibrium catalyst that contains alumina and zeolite with an acidic solution to obtain an acid-treated equilibrium catalyst, and (b) cont...  
WO/2006/072569A1
The invention relates to a method for treating catalysts, in particular, for the cleaning of catalysts (1), whereby the catalyst (1) comprises a number of parallel channels (7, 11,12). The catalyst is taken out of service for treatment a...  
WO2006042675A3
The invention relates to a method for the extractive separation of homogeneously dissolved catalysts from a reaction product from a hydrocyanation of unsaturated mononitriles to dinitriles, by extraction with a carbon material (K), chara...  
WO/2006/067169A1
A method of preparing, preferably recycling, a catalyst support material is disclosed and is particularly applicable to recycling a titania support. The invention includes crushing the used catalyst support that is obtained by leaching c...  
WO/2006/065577A1
Oxigenate containing feedstocks are converted to light olefins in a process comprising charging a reactor (10) with catalyst, feeding the feedstock into the reactor (10), contacting the feedstock with the catalyst and converting the feed...  
WO/2006/064685A1
A process for carboxylic acid ester production by which a carboxylic acid ester comprising an alcohol and a carboxylic acid each having 10 or more carbon atoms can be produced in a high yield. The catalyst used can be reused. The process...  
WO2006016727A3
It is intended to reform heavy oil (Bunker A/Bunker B/Bunker C) and lubrication oil, waste oil, etc. of high environmental load contained in petroleum to fractions of light oil (light oil cut/light oil/kerosene/naphtha/gasoline fraction)...  
WO/2006/050962A1
Platinum is applied on a carrier such as graphite to form a platinum catalyst. The catalyst becomes poisoned with a metal as a result of use of the catalyst in preparation of hydroxylammonium salts. A method of regenerating the catalyst ...  
WO/2006/053022A3
A method of modifying an alkylation catalyst to reduce the formation of condensed hydrocarbon species thereon. The method comprises providing an alkylation catalyst comprising a plurality of active sites. The plurality of active sites on...  
WO/2006/042675A2
The invention relates to a method for the extractive separation of homogeneously dissolved catalysts from a reaction product from a hydrocyanation of unsaturated mononitriles to dinitriles, by extraction with a carbon material (K), chara...  
WO/2006/040159A1
The invention relates to a catalyst on an oxidic carrier, and to methods for the selective hydrogenation of unsaturated compounds in hydrocarbon flows containing the same, using said catalysts.  
WO/2006/036168A1
Disclosed is a process that relates to the recovery of a metal catalyst from an oxidizer purge stream produced in the synthesis of carboxylic acid, typically terephthalic acid. The process involves the addition of a wash solution to a hi...  
WO/2006/036169A1
Disclosed is a process that relates to the recovery of a metal catalyst from an oxidizer purge stream produced in the synthesis of carboxylic acid, typically terephthalic acid. The process involves the addition of a wash solution to a hi...  
WO/2006/030877A1
Disclosed is a method for producing an unsaturated vicinal diol compound represented by the formula (2) below which is characterized in that an unsaturated epoxy compound represented by the formula (1) below is reacted with water in the ...  
WO/2006/022032A1
The angle of movable swash plates of a hydraulic pump and/or a hydraulic motor is accurately controlled. A hydraulic stepless speed changing device (1) where a hydraulic pump (10) and/or a hydraulic motor (11), at least one of which is o...  
WO/2006/016727A2
It is intended to reform heavy oil (Bunker A/Bunker B/Bunker C) and lubrication oil, waste oil, etc. of high environmental load contained in petroleum to fractions of light oil (light oil cut/light oil/kerosene/naphtha/gasoline fraction)...  
WO/2006/009571A1
A process is disclosed that relates to the recovery of a metal catalyst from an oxidizer purge stream produced in the synthesis of carboxylic acid, typically terephthalic. More particularly, the process involves recovery of a metal catal...  
WO/2006/009662A2
A method for recovering and reusing a ring-halogenation catalyst comprises: (A) contacting an aromatic compound with chlorine or bromine in the presence of a catalyst composition, where the catalyst composition comprises at least one sal...  
WO/2006/001876A1
Used noble metal-containing titanium or vanadium zeolite catalysts, that have been employed in the epoxidation of olefins with hydrogen and oxygen, are regenerated by contacting the spent catalyst with water or an alcohol/water mixture a...  
WO2005104749A3
Methods and systems for hydroprocessing heavy oil feedstocks to form an upgraded material involve the use of a colloidal or molecular catalyst dispersed within a heavy oil feedstock, a hydrocracking reactor, and a hot separator. The coll...  
WO2005104786A3
A fixed bed hydroprocessing system, and also a method for upgrading a pre-existing fixed bed hydroprocessing system, involves preliminarily upgrading a heavy oil feedstock in one or more slurry phase reactors using a colloidal or molecul...  
WO/2005/118514A1
A process for alkylating a feed aromatic with an olefin is disclosed which integrates on-stream and off-stream alkylation reactors with on-stream and off-stream aromatic byproducts removal zones to make efficient use of the feed aromatic.  
WO/2005/118137A1
A method for preparing a catalyst comprising a metal having absorbed therein hydrogen; wherein the metal is selected from at least one of gold, iron, ruthenium, or molybdenum; the method comprising the steps: (i) exposing a sample compri...  
WO/2005/113146A1
New methods for activating chromium catalysts for polymerization processes decrease the amount of time required for activation and increase catalyst activity. Rapid heating to a first temperature is followed by a first hold period before...  
WO/2005/107945A1
A process for the removal of corrosion metal contaminants from a carbonylation catalyst solution comprising an iridium and/or rhodium carbonylation catalyst, an alkali and/or alkaline earth metal and corrosion metal contaminants in which...  
WO/2005/104786A2
A fixed bed hydroprocessing system, and also a method for upgrading a pre-existing fixed bed hydroprocessing system, involves preliminarily upgrading a heavy oil feedstock in one or more slurry phase reactors using a colloidal or molecul...  
WO/2005/105956A1
This invention provides an integrated system and process for forming light olefins and polymers from oxygenates, and optionally from natural gas. The integrated system includes an air separation unit, which separates air components into ...  
WO/2005/105714A1
A process for obtaining a reaction gas containing (meth)acrylic acid or (meth)acrolein through the steps of feeding propylene, propane or isobutylene and a gas containing molecular oxygen into a reactor loaded with a catalyst and carryin...  
WO/2005/104749A2
Methods and systems for hydroprocessing heavy oil feedstocks to form an upgraded material involve the use of a colloidal or molecular catalyst dispersed within a heavy oil feedstock, a hydrocracking reactor, and a hot separator. The coll...  
WO/2005/089923A1
A method of servicing a catalytic reactor system, comprising an abatement of at least one hazardous substance from the catalytic reactor system while preserving activity of a catalyst contained therein. A method of servicing a catalytic ...  
WO/2005/087375A1
A method for recovering a wash coat carrying a noble metal component from a catalyst device having a metal carrier, which comprises treating the catalyst device having a metal carrier provided with a wash coat and, carried thereon, a cat...  
WO/2005/082517A1
The invention relates to a method for the removal of carbonaceous residues in a reactor containing a solid catalyst for the catalytic gas-phase oxidation of unsaturated hydrocarbons, whereby the deposited carbonaceous residues are brough...  

Matches 601 - 650 out of 6,167