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8183173 |
Fast activating catalyst
A method of preparing a catalyst comprising aging a silica support in an alkaline solution to produce an alkaline aged silica support, removing at least a portion of the alkaline solution from the...
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8178468 |
Catalysts, preparation of such catalysts, methods of using such catalysts, products obtained in such methods and uses of products obtained
A catalyst that includes one or more metals from Column 6 of the Periodic Table and/or one or more compounds of one or more metals from Column 6 of the Periodic Table and a support. The support...
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8173100 |
Catalytic system for generating hydrogen by the hydrolysis reaction of metal borohydrides
Catalytic system comprising at least two components: a catalyst for the hydrolysis reaction of metal borohydrides to hydrogen; anda material in solid form, the dissolution reaction of which in...
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8143187 |
Catalytic systems and process for treatment of industrial process and waste streams
A process for preparing supported catalyst in pellet or coated monolith form is disclosed the method includes the steps of: forming a mixed metal carbonate complex having at least two metals by...
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8114806 |
Catalysts having selected pore size distributions, method of making such catalysts, methods of producing a crude product, products obtained from such methods, and uses of products obtained
A catalyst and a method of preparation of said catalyst is described herein. The catalyst includes one or more metals from Columns 6-10 of the Periodic Table and/or one or more compounds of one or...
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8088706 |
Catalyst composition preparation and use
A bulk metal oxide catalyst composition of the general formula (X)b(M)c(Z)d(O)e (I) wherein X represents at least one non-noble Group VIII metal;M represents at least one non-noble Group VIb...
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8075859 |
Nanocomposite particle and process of preparing the same
A nanocomposite particle, its use as a catalyst, and a method of making it are disclosed. The nanocomposite particle comprises titanium dioxide nanoparticles, metal oxide nanoparticles, and a...
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8022007 |
Ligands and catalyst systems thereof for the catalytic oligomerization of olefinic monomers
The present invention relates to a ligand and its use in a catalyst for the oligomerization of olefinic monomers, the ligand having the general formula (II); P(R1)(R2)—P(R4)═N(R3) (II) wherein: the...
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7910669 |
Methods of preparing a polymerization catalyst
A method comprising (a) contacting a support and a chromium-containing compound to form chromium-containing support, (b) heat treating the chromium-containing support in an oxidizing atmosphere to...
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7902104 |
Divided solid composition composed of grains provided with continuous metal deposition, method for the production and use thereof in the form of a catalyst
This invention relates to a solid divided composition comprising grains whose mean size is greater than 25 μm and less than 2.5 mm, wherein each grain is provided with a solid porous core and a ...
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7846867 |
Desulfurization and novel process for same
A method for the production of a composition comprising a metal containing compound, a silica containing material, a promoter, and alumina is disclosed. The composition can then be utilized in a...
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7803736 |
Supported chromium catalyst and its use for preparing homopolymers and copolymers of ethylene
A process for preparing supported, titanized chromium catalysts is disclosed. The process comprises A) bringing a support material into contact with a protic medium comprising a titanium compound...
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7790019 |
Zeolitic catalyst, substrate based on a silica-alumina matrix and zeolite, and hydrocracking process for hydrocarbon feedstocks
The invention relates to a catalyst including at least one hydro-dehydrogenating element chosen from the group formed by the group VIB and group VIII elements of the periodic table and a substrate...
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7759277 |
Fuel cell catalyst, process for preparation of the same, and membrane electrode assembly and fuel cell employing the catalyst
The present invention provides a catalyst having high activity and excellent stability, a process for preparation of the catalyst, a membrane electrode assembly, and a fuel cell. The catalyst of...
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7714091 |
Catalyst comprising chromium and zirconium for the polymerization and/or copolymerization of olefins
Catalyst for the polymerization and/or copolymerization of olefins which is obtainable by application to a finely divided inorganic support and concluding calcination at temperatures of from 350 to...
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7705097 |
Process for preparing a chromium-based catalyst for the polymerization and/or copolymerization of olefins
Process for preparing a supported catalyst for the polymerization and/or copolymerization of olefins which has a chromium content of from 0.01 to 5% by weight, based on the element, which comprises...
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7700516 |
Methods of preparing a polymerization catalyst
A method of preparing a catalyst comprising contacting a support with a trivalent titanium compound and a chromium-containing compound. A catalyst composition comprising a support, chromium, and...
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7625840 |
Catalytic nanoporous membranes
A nanoporous catalytic membrane which displays several unique features including pores which can go through the entire thickness of the membrane. The membrane has a higher catalytic and product...
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7598203 |
Hydrogenation catalyst for hydrocarbon oil, carrier for it, and method of hydrogenation of hydrocarbon oil
Provided are a hydrogenation catalyst for hydrocarbon oil, having markedly improved desulfurization activity, denitrogenation activity, and dearomatization activity; a carrier for the catalyst and...
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7592290 |
Supported catalyst for stream methane reforming and autothermal reforming reactions
The invention relates to supported catalysts and a process for the production of these catalysts. These supported catalysts may be used in various reactions such as reforming reactions (e.g. steam...
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7563743 |
Doped catalyst and improved process for treatment of hydrocarbon feedstocks
This invention relates to doped catalysts on an aluminosilicate substrate with a low content of macropores and the hydrocracking/hydroconversion and hydrotreatment processes that use them. The...
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7541012 |
Catalytic material and method of production thereof
The present invention features a catalytic material which includes a metal catalyst anchored to a nano-sized crystal containing a metal oxide. Furthermore, the present invention features a method...
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7429366 |
Catalyst and process for decomposing carbonyl sulfide and hydrogen cyanide
A solution of a chromium compound is impregnated into a silica-alumina carrier made of alumina and containing 1 to 5 weight % of silica relative to the weight of the carrier, thereby to obtain a...
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7348289 |
Catalyst body
A catalyst body of the present invention includes: a porous carrier in which a large number of aggregate particles containing a main component of a nonoxide ceramic are bonded to one another while...
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7294604 |
Hydrogenation and dehydrogenation processes and catalysts therefor
A process for hydrogenating unsaturations in petrochemical feedstocks, the process comprising contacting the petrochemical feedstock, including at least one component having unsaturations, and...
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7270738 |
Catalyst and process for hydrocracking hydrocarbon-containing feedstocks
This invention relates to silico-aluminum substrates, catalysts, and the hydrocracking and hydrotreatment processes that use them. The catalyst comprises at least one hydro-dehydrogenating element...
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7253135 |
Silicon-containing alumina support, a process for preparing the support and a catalyst containing the support
A silicon-containing alumina support, a process for preparing the support, and a catalyst containing the support are provided. The alumina support includes an additive silicon enriched on its...
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7214642 |
Methods of preparing active chromium/alumina catalysts via treatment with sulfate
Methods of preparing a polymerization catalyst are provided that include contacting a support comprising alumina with a sulfating agent and with chromium. In an embodiment in which the chromium is...
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7151073 |
Mesoporous catalyst support, a catalyst system, and method of making and using same for olefin polymerization
This invention relates to a catalyst system comprising a catalyst and a support comprising a non-layered inorganic porous crystalline phase material, wherein the support comprises a hexagonal...
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7098162 |
Catalysts for deep catalytic cracking of petroleum naphthas and other hydrocarbon feedstocks for the selective production of light olefins and method of making thereof
Provided herein are monocomponent and hybrid catalyst compositions for use in steam-cracking of hydrocarbon feeds to selectively produce light olefins. The catalyst compositions being characterized...
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7071371 |
Gel catalysts and methods for their use in catalytic dehydrogenation processes
A gel composition substantially contained within the pores of a solid material is disclosed for use as a catalyst or as a catalyst support in dehydrogenation and dehydrocyclization processes.
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7067452 |
Ceramic catalyst body
(i) In a ceramic catalyst body which comprises a ceramic carrier which has a multitude of pores capable of supporting a catalyst directly on the surface of a substrate ceramic and a catalyst...
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7060651 |
Silica-rich carrier, catalyzer for heterogeneous reactions and method for the production thereof
A silica-rich support and a catalyst containing the silica-rich support and a catalytic component. The support has a specific structure characterized by a set of claimed physicochemical properties:...
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7057010 |
Process for the continuous drying of polymers containing N or amino, ammonium or spirobicyclic ammonium groups
Process for the drying of polymers containing N or amino, ammonium or spirobicyclic ammonium groups, comprising cationic N-containing groups, and suitable counterions, in which the gelled and...
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6998366 |
Thin layer catalysts based on Raney alloys, and method for the production thereof
Raney alloy catalysts applied to a support are described, said catalysts having an extremely thin layer of Raney alloy with a thickness of 0.01 to 100 μm. These catalysts are prepared by vapor ...
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6875717 |
Method and system for the in situ synthesis of a combinatorial library of supported catalyst materials
A method and system for the in situ synthesis of a combinatorial library including impregnating a first component with a second component. The method and system advantageously may be employed in...
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6802958 |
Process for producing spherical oxide particles
The invention pertains to a process for preparing spherical oxide particles comprising the steps of shaping a starting material comprising an oxide hydrate into particles of substantially constant...
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6753292 |
Silica-based photocatalyst fiber having visible-light activity and process for the production thereof
A silica-based photocatalyst fiber having visible-light activity, which fiber comprises a composite oxide phase comprising an oxide phase (first phase) mainly made of a silica component and a...
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6733657 |
Hydrocracking catalyst having a unique silica-alumina substrate
A hydrocarbon conversion catalyst contains at least one silica-alumina having the following characteristics: A content by weight of silica SiO2 of between 10 and 60% by weight; an Na content less...
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6716938 |
Polymerization catalyst systems, methods of making and uses therefor
A novel magnesium treated silica-containing compound that is useful as a support for chromium based olefin polymerization catalyst systems is provided which produces ethylene polymers having with...
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6706660 |
Metal/metal oxide doped oxide catalysts having high deNOx selectivity for lean NOx exhaust aftertreatment systems
A lean NOx catalyst and method of preparing the same is disclosed. The lean NOx catalyst includes a ceramic substrate, an oxide support material, preferably γ-alumina, deposited on the substrate ...
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6699947 |
Method for producing Phillips catalysts for polymerizing olefins with better productivity rates in the particle-form process
In a process for producing Phillips catalysts in which an oxidic support material is treated in suspension with a chromium salt solution and subsequently, after removing the solvent, calcined in an...
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6696388 |
Gel catalysts and process for preparing thereof
A gel composition substantially contained within the pores of a solid material for use as a catalyst or as a catalyst support in dehydrogenation and dehydrocyclization processes.
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6683022 |
Method for the discontinuous thermal treatment of catalyst material
Method for the discontinuous thermal treatment of catalyst material comprising the steps (a) introducing the catalyst material into a reactor,(b) heating the catalyst material,(c) thermally...
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6673736 |
Chromate ester catalyst and method of using same to produce high performance polyethylene products
An improved chromate catalyst on a highly porous silica support having high surface area and total pore volume, a method of using same to produce high performance polyethylene products, and the...
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6645900 |
Optimized method for the production of catalyst supports based on silica gel and chromium catalysts supported on silica gel
The invention relates to a catalyst support and to a method for the production of the catalyst support comprising the following steps: a) production of a silicic acid hydrogel having a solids...
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6600011 |
Process for purification and drying of polymer hydrogels
This invention relates to a method for purifying and drying a polymer hydrogel. This invention is based in part upon the discovery that rapid drying of polymer hydrogels can eliminate the problem...
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6534431 |
Process and apparatus for preparing heterogeneous catalysts
The invention relates to a process and to an apparatus for preparing a heterogeneous catalyst having at least one catalytically active species bound to the surface of a support material. According...
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6497849 |
Synthesis of heteropolyacids
This invention relates to a process for purifying a heteropolyacid which comprises: subjecting an aqueous solution comprising (i) the heteropolyacid and (ii) salt impurities to at least one...
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6489428 |
Titanated chromium-based catalysts to produce polyethylene
The present invention relates to a supported chromium-based catalyst titanated under specific conditions and used for the homopolymerisation or the copolymerisation of ethylene. The polyethylene...
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