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7303731 |
Method and apparatus for regenerating an iron-based fischer-tropsch catalyst
Solvent extraction is used to remove wax and contaminants from an iron-based Fischer-Tropsch catalyst in a natural circulation continuous-flow system. The wax-free catalyst is then subjected to...
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7303683 |
Microorganism-removing filter medium having high isoelectric material and low melt index binder
A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material...
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7303606 |
Oxy-fuel combustion process
Production of oxygen-enriched gas streams is disclosed herein. Air streams contact an oxygen-selective mixed conductor particularly a perovskite material whereby oxygen is retained or adsorbed on...
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7301040 |
Bidentate catalyst for olefin polymerization, methods of forming such and products therefrom
Bidentate catalyst systems and the methods or forming such are described herein. The catalyst systems generally are compounds having the general formula: ##STR00001## where R, R 1 , R 2 and R 3 ...
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7301039 |
Process for preparing cationic rhodium complexes
The invention comprises a process for the preparation and isolation of a non-amorphous cationic rhodium complex having the formula: [Rh(ligand) m (diolefin)] + X − , wherein the ligand is an...
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7301025 |
Colorant compounds
Compounds of the formula
wherein M is either (1) a metal ion having a positive charge of +p wherein p is an integer which is at least 2, said metal ion being capable of forming a compound with...
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7300905 |
Methods for their manufacture of adsorbent
Using zeolites as the active adsorbent, adsorbent laminates have been fabricated with various sheet supports. These adsorbent laminates have been successfully operated for oxygen enrichment at high...
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7300904 |
Trimerisation and oligomerisation of olefins using a chromium based catalyst
The invention provides a mixed heteroatomic ligand for an oligomerisation of olefins catalyst, which ligand includes at least three heteroatoms, of which at least one heteroatom is sulfur and at...
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7300903 |
Olefin polymerization catalysts, transition metal compounds, processes for olefin polymerization, and α-olefin/conjugated diene copolymers
The invention provides a process using olefin polymerization catalysts exhibiting excellent polymerization activities. The olefin polymerization catalysts of the invention contain a transition...
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7300902 |
Catalyst for polymerization of ethylene, preparation thereof and use of the same
The present invention provides an ethylene polymerization catalyst. The present invention also provides a process for preparing the ethylene polymerization catalyst, comprising reacting powdered...
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7300901 |
Hollow beads of polyethylene
The present invention discloses a method for preparing hollow beads of polyethylene of controlled morphology and size.
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7300900 |
Catalyst comprising at least one zeolite chosen from ZBM-30, SM-48 EU-2 and EU-11 and at least one Y zeolite and process of hydroconversion of hydrocarbon charges using such a catalyst
A hydrocracking catalyst containing at least one matrix, at least one zeolite chosen from the group formed by the zeolites ZBM-30, ZSM-48, EU-2, and EU-11, at least one Y zeolite, at least one...
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7300899 |
Lithium exchanged zeolite X adsorbent blends
A lithium exchanged zeolite X adsorbent blend with improved performance characteristics produced by preparing a zeolite X, preparing a binder which includes highly dispersed attapulgite fibers...
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7300586 |
pH stable activated carbon
An activated carbon composition is disclosed, which includes an activated carbon and a carboxylic acid containing compound. The activated carbon composition is prepared by immersing an activated...
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7297832 |
Tetramerization of olefins
The invention describes a process for tetramerisation of olefins wherein the product stream of the process contains more than 30% of the tetramer olefin. The process includes the step of contacting...
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7297806 |
Manufacture of alpha-olefins
Alpha-olefin are manufactured in high yield and with very high selectivity by contacting ethylene with an iron complex of a selected 2,6-pyridinedicarboxaldehyde bisimine or a selected...
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7297805 |
Chromium complexes and their use in olefin polymerization
A composition having the formula I
where R 1 and R 2 are independently hydrogen, C 1 to C 12 linear and branched alkyl, C 3 to C 12 cycloalkyl, aryl, C 1 to C 12 alkoxy, F, Cl, SO 3 , C...
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7297657 |
Process for the preparation of N-(phosphonomethyl)glycine by oxidizing N-substituted N-(phosphonomethyl)glycine
This invention is directed to an improved process for the preparation of N-(phosphonomethyl)glycine (i.e., “glyphosate”), a salt of N-(phosphonomethyl)glycine, or an ester of...
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7297656 |
Particulate filter and method for treating soot
In one embodiment, a particulate filter includes a housing and a substrate disposed within the housing, the substrate comprising a catalyst composition comprising a single crystalline phase...
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7297655 |
Catalyst and its use in desulphurisation
A catalyst is provided comprising nickel in a reduced valence state on a carrier comprising zinc oxide and alumina, wherein the Zn:Ni atomic ratio is at least 12, and the catalyst particles are...
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7297654 |
Exhaust gas-purifying catalyst
An exhaust gas-purifying catalyst includes a carrier, and an active component formed of a noble metal, carried by the carrier. The carrier has a core portion comprising a cubic or tetragonal...
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7297653 |
Fluorophenylborates and their use as activators in catalyst systems for olefin polymerization
A fluorophenylborate useful as an activator for an olefin polymerization catalyst is represented by the formula:
Ct + [B—(Ar f R n ) 4...
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7297652 |
Method of preparing a nanoporous nickel phosphate molecular sieve
The present invention relates to a process for preparing nanoporous VSB-5 molecular sieves, and more particularly, to a process for preparing nanoporous VSB-5 molecular sieves useful as a hydrogen...
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7297651 |
Process for removing sulfur particles from an aqueous catalyst solution and for removing hydrogen sulfide and recovering sulfur from a gas stream
The invention relates to a process for removing sulfur particles from an aqueous catalyst solution used to remove hydrogen sulfide from a gas stream ( 1, 5 ), comprising the steps of directing a...
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7297322 |
Process and apparatus for producing powders of metal compound containing oxygen, and the powders produced by the process
A process for producing powders of metal compound containing oxygen including the steps of: feeding at least one material selected from a liquid material and a solution material obtained by...
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7297320 |
Spherical carbons and method for preparing the same
The present invention provides a method for preparing spherical carbon comprising step of heat-treating a mixture of a carbon precursor and dispersion media, a spherical non-graphitizable carbon...
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7297252 |
Catalyst activation in the presence of olefinic hydrocarbon for selective naphtha hydrodesulfurization
An improved catalyst activation process for olefinic naphtha hydrodesulfurization. This process maintains the sulfur removal activity of the catalyst while reducing the olefin saturation activity.
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7294729 |
Bis-chelating ligand and use thereof in carbonylation processes
A novel bis-chelating composition characterized by formula I: wherein M is a Group VB element; R1 and R2 are each independently selected from hydrogen and monovalent hydrocarbyl radicals; or R1 and...
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7294727 |
Catalyst preparation
The invention relates to a process for the preparation of an epoxidation catalyst which process involves (a) drying a silica gel carrier having a weight average particle size of from 0.1 mm to 2 mm...
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7294686 |
Polymerization of aromatic monomers using derivatives of hematin
Hematin, a hydroxyferriprotoporphyrin, is derivatized with one or more non-proteinaceous amphipathic groups. The derivatized hematin can serve as a mimic of horseradish peroxidase in polymerizing...
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7294679 |
Catalyst support method and polymerization with supported catalysts
This invention relates to a method to support one or more catalyst compounds comprising contacting the catalyst compounds with a pretreatment agent comprising an aluminum alkyl and or an alumoxane...
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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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7294603 |
Process for production of conductive catalyst particles, process for production of catalyst electrode capable of gas diffusion, apparatus for production of conductive catalyst particles, and vibrating apparatus
A process for production of conductive catalyst particles, a process for production of a catalyst electrode capable of gas diffusion, an apparatus for production of conductive catalyst particles,...
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7294602 |
Hydroformylation process
A process for the production of 4-hydroxybutyraldehyde is described. The process comprises reacting allyl alcohol with a mixture of carbon monoxide and hydrogen in the presence of a solvent and a...
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7294601 |
Phosphines, transition metal complexes containing the same as the ligand, and process for production of optically active carboxylic acids
[PROBLEMS] To provide a method by which desired optically active carboxylic acids may be prepared from a carboxylic acid having a carbon-carbon double bond through asymmetric hydrogenation with a...
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7294600 |
Supported hybrid metallocene catalyst, method for preparing the same, and method for preparing polyolefin using the same
The present invention relates to a supported metallocene catalyst used for preparing polyolefin whose physical properties and molecular weight distribution can be easily controlled, a method for...
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7294599 |
Acidic activator-supports and catalysts for olefin polymerization
This invention relates to the field of olefin polymerization catalyst compositions, and methods for the polymerization and copolymerization of olefins, typically using a supported catalyst...
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7294328 |
Method for producing α-alumina formed body
A high-strength α-alumina formed body with a low soda content, of which pore distribution is controlled, can be provided in an easy and inexpensive manner. The α-alumina formed body can be...
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7293661 |
Filtration media comprising granules of binder-agglomerated active component
Granules comprise binder-agglomerated active particles for liquid treatment or filtration. Each granule has a center core of a material that itself has binding properties without the addition of...
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7291687 |
Catalyst system for synthesizing rubbery polymers having a high trans microstructure content
The present invention is directed to a catalyst system for synthesizing rubbery polymers, such as polybutadiene rubber and styrene-butadiene rubber, having a high trans microstructure. The catalyst...
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7291584 |
Use of metal complex compounds as oxidation catalysts
Use of metal complex compounds of formula (1) and/or (1′)
[L n Me m X p ] z Y q , (1)
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7291578 |
Hybrid anion exchanger for selective removal of contaminating ligands from fluids and method of manufacture thereof
Polymeric anion exchangers are used as host materials in which hydrated Fe(III) Oxides (HFO) are irreversibly dispersed within the exchanger beads. Since the anion exchangers have positively...
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7291577 |
Hydrometallurgical process for production of supported catalysts
A process for the production of a supported catalyst. The process comprises heating a slurry that comprises a catalyst support and at least one active catalytic ingredient precursor. Gas is...
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7291576 |
SOx trap for diesel and lean-burn gasoline automotive applications
The present invention provides a regenerable catalyst composition suitable for entrapping SO x . The composition of the invention comprises a copper oxide having the formula (Cu/(A oxide) where A...
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7291575 |
Active, heterogeneous bi- or tri-dentate catalyst
A catalyst composition, and olefin polymerization process using same, formed from a mixture of a non-aluminoxane aluminum compound, an inorganic oxide and a transition metal bidentate or tridentate...
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7291419 |
Durable membrane electrode assembly catalyst coated diffusion media with no lamination to membrane
A technique for fabricating an MEA for a fuel cell that is prepared as a catalyst-coated diffusion media (CCDM). The MEA includes a diffusion media layer having a microporous layer. A catalyst...
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7291417 |
Compositional and structural gradients for fuel cell electrode materials
A fuel cell includes at least one electrode operatively disposed in the fuel cell, and having a catalytically active surface. The present invention further includes a mechanism for maintaining a...
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7291321 |
Preparation of catalyst and use for high yield conversion of methane to ethylene
A perovskite catalyst is prepared using a ceramic sol-sol methodology comprising preparing slurry in water of an alkaline earth metal salt, a powdered metal salt and a powdered transition metal...
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7291311 |
Process for controlling a moving bed combustion zone and its use
Process for controlling the combustion zone of a fluidized bed process comprising a regeneration zone and a reaction zone, the catalyst circulating between these two zones, and the regeneration...
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7288686 |
Hydrogenation catalyst and hydrogenation process
A supported hydrogenation catalyst comprising (1)Pd or a Group 8 metal comprising Pd and one other Group 8 metal, preferably a Group 8 metal selected from Pt, Ir, Ru, Co or Ni, and (2) at least two...
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