Matches 1 - 50 out of 59 1 2 >
Match Document Document Title
US20090308790 HYDROGENATION CATALYST COMPOSITION, PROCESS FOR PREPARING THE SAME AND USE THEREOF  
The present invention relates to a hydrogenation catalyst composition, process for preparing the same and use thereof. The composition comprises a hydrogenation catalyst, an organonitrogen compound...
US20090306332 PREPARATION OF CAST POLYAMIDES USING SPECIAL ACTIVATORS  
The present invention relates to a system comprising a) at least one catalyst for the anionic polymerization of lactams, and b) at least one activator for the anionic polymerization of lactams, ...
US20090298677 Method of Making Hydroprocessing Catalyst  
A chelated hydroprocessing catalyst exhibiting low moisture is obtained by hearing an impregnated, calcined carrier to a temperature higher than 200° C. and less than a temperature and for a...
US20090292090 Methods of Preparation of an Olefin Oligomerization Catalyst  
A method of making an olefin oligomerization catalyst, comprising contacting a chromium-containing compound, a heteroatomic ligand, and a metal alkyl, wherein the chromium-containing compound...
US20090286942 CATALYST FLOW  
Disclosed are catalyst systems and methods of making the catalyst systems/supports for the polymerization of an olefin containing a solid titanium catalyst component and an antistatic agent. Also...
US20090286674 ACTIVATION OF SURFACES THROUGH GAS PHASE REACTIONS  
A process for the preparation of active surfaces terminated by a desired form of organic, organic-inorganic, or inorganic nature comprising growing with a gas phase deposition technique preferable...
US20090286944 SELECT PHENOL-HETEROCYCLE LIGANDS, METAL COMPLEXES FORMED THEREFROM, AND THEIR USES AS CATALYSTS  
Select phenol-heterocycle ligands, metal-ligand compositions or complexes formed therefrom, and their use as catalysts in polymerization reactions and other transformations are disclosed herein....
US20090270248 Basic ionic liquids  
Use of ionic liquids as solvents in base-catalysed chemical reactions wherein the ionic liquid is composed of at least one species of cation and at least one species of anion, characterised in that...
US20090269673 Process for the preparation of compounds containing perfluoroalkanesulfonic acid groups  
The invention relates to a method for producing perfluoroalkanesulfonic acid esters and for further transforming the same into the salts thereof. The invention also relates to the use of the...
US20090264609 SINGLE SITE CATALYST SYSTEMS HAVING A SCORPION-LIKE STRUCTURE  
The present invention discloses single site catalyst systems having scorpion-like three dimensional structure that are suitable for oligomerising or polymerising ethylene and alpha-olefins.
US20090240011 POLYMERISATION OF ETHYLENE AND ALPHA-OLEFINS WITH PHOSPHINO-IMINOPHENOL COMPLEXES  
The present invention relates to the field of single site catalyst systems based on phosphino-iminophenol complexes that are suitable for oligomerising or polymerising ethylene and alpha-olefins.
US20090233788 Ionic Liquids  
The present invention relates to compositions of matter that are ionic liquids, the compositions comprising any of eleven cations combined with any of three fluorinated sulfonated anions....
US20090227446 METHOD FOR PREPARING POROUS ORGANIC-INORGANIC HYBRID MATERIALS, POROUS ORGANIC-INORGANIC HYBRID MATERIALS OBTAINED BY THE METHOD AND CATALYTIC USES OF THE MATERIALS  
The present invention relates to a method for preparing iron-containing porous organic-inorganic hybrid materials where the organic compound ligand is bonded to a central metal and has a large...
US20090221083 Selective Aliphatic C-H Oxidation  
A composition including a complex of a metal, a tetradentate ligand, at least one ancillary ligand, and a counterion may be used for selective sp 3 C—H bond oxidation. The tetradentate ligand...
US20090197760 METALLIC CATALYST AND METHOD FOR THE PRODUCTION OF METALLIC CATALYST  
The present invention relates to metallic catalysts containing nanoparticles of transition metals in particular of Co, Ru, Fe, Pd and Rh, disposed in pure ionic liquids or impregnated on supports...
US20090171114 Chiral Ligands Used in Transition Metal Catysts for Asymmetric Addition Reactions Especially Hydrogenation  
Ligands of the formula (I) secondary phosphine-Q-P(═O)HR 1 (I) in the form of mixtures of diastereomers or pure diastereomers, in which secondary phosphine is a secondary phosphine group with...
US20090159539 Catalytically Treating Water Contaminated With Halogenated Organic Compounds  
Catalytically treating groundwater ( 10 ), surface water, or above surface water, contaminated ( 12 ) with halogenated organic compounds being members of chlorotriazine, chloroacetanilide, or...
US20090156768 Transition Metal Compound, Ligand System, Catalyst System and Process for Preparing Polyolefins  
The present invention relates to transition metal compounds of the formula (I); where M is an element of group 3, 4, 5, 6, 7, 8, 9 or 10 of the Periodic Table of the Elements or the lanthanide's,...
US20090139898 Hydrogenation catalyst and use thereof  
The present invention provides a hydrogenation catalyst, containing a carrier, metal components of nickel, molybdenum and tungsten supported thereon, and an adjuvant component selected from the...
US20090137383 CLASS OF ORGANIC COMPOUNDS CONTAINING HETEROATOM AND ITS APPLICATIONS IN PREPARING SINGLE-SITE ZIEGLER-NATTA CATALYST  
Organic compounds containing heteroatoms and their use in preparing Ziegler-Natta (Ziegler-Natta) catalyst with single activation center. The Ziegler-Natta olefin polymerization catalyst is...
US20090124489 Method for Producing Urea Pellets  
A method for producing urea pellets having a narrow range of grain sizes and a sphericity >75% and a defined residual moisture ≦0.5% is provided. The method provides urea pellets having the...
US20090111958 SINGLE CATALYST SYSTEMS HAVING A SCORPION-LIKE STRUCTURE  
The present invention discloses single site catalyst systems having scorpion-like three dimensional structure that are suitable for oligomerising or polymerising ethylene and alpha-olefins.
US20090081487 Acid-Doped Polyelectrolyte Modified Carbon Nanotubes and their Use in High Temperature PEM Fuel Cell Electrodes  
New multifunctional aromatic copolymers bearing pyridine or pyrimidine units either in the main chain or side chain and single wall carbon nanotubes or multi wall carbon nanotubes as side chain...
US20090074654 Filter material for generating oxygen and/or hydrogen from a source  
A filter material for generating oxygen and/or hydrogen gas from a source having a porous boron doped carbon film with diRuthenium/diRuthenium molecules in direct contact with the porous boron...
US20090069517 LIGANDS AND CATALYST SYSTEMS FOR THE OLIGOMERIZATION OF OLEFINIC MONOMERS  
The present invention relates to ligands and catalyst systems and a process for the simultaneous trimerization and tetramerization of olefinic monomers using said ligands, the ligands having the...
US20090062110 METAL COMPLEX AND USE THEREOF  
A polynuclear metal complex having in each molecule not only at least one large cyclic ligand having 5 to 15 coordinating atoms but also multiple metal atoms is subjected to any of heating...
US20090062493 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 (I);
US20090043134 SELECTIVE AND EFFICIENT BIFUNCTIONAL AND TRIFUNCTIONAL NANOPOROUS CATALYSTS  
Selective and efficient multifunctional nanoporous catalysts containing spatially distributed organoamine and silanol groups, and methods of preparation thereof. The catalysts have been observed to...
US20090028768 BIFUNCTIONAL ACTIVE SITES FOR ADSORPTION OF NOx  
Immobilized nitronyl nitroxide active sites on the surface of a porous inorganic oxide support act as efficient and rapid oxidants for NO, reacting with >99% of the NO under flow conditions...
US20090023579 Ligand, Method for Producing the Same, and Catalyst Using the Ligand  
Disclosed is a novel asymmetric ligand which can be synthesized by a short process at low cost and is capable of exhibiting higher catalytic activity and enantioselectivity than the conventional...
US20090011929 MULTINUCLEAR COMPLEX AND POLYMER THEREOF  
To provide a multinuclear complex including at least one ligand L satisfying the following requirements (i) r (ii) and (iii), and a plurality of metal atoms in a molecule: (i) having a group...
US20080319234 Heterogeneous arylalkyl oxidation promoter  
A promoter can have utility in selective heterogeneous oxidation of arylalkyl hydrocarbons such as, for example, cyclohexyl benzene and/or sec-butyl benzene to form hydroperoxides. The promoter can...
US20080311072 Preparation of Soluble and Colloidal Molecularly Imprinted Polymers by Living Polymerization  
The present invention describes a method for synthesis of relatively low molecular weight imprinted polymers using living polymerization, and their application in analytical chemistry,...
US20080306226 Polymerization Catalyst System Based on Monooxime Ligands  
The present invention discloses active oligomerisation and polymerisation catalyst systems based on monooxime ligands.
US20080306173 Process for Preparing a Hydrocarbon Synthesis Catalyst  
A process for the preparation of a catalyst or catalyst precursor, comprising the steps of: (a) admixing: (i) a catalytically active metal or metal compound (ii) a carrier material (iii) a gluing...
US20080274879 Process of producing an organic catalyst  
This invention relates to a process of producing organic catalysts that may comprise iminium or oxaziridinium moieties, cleaning compositions comprising such catalysts; and methods of using such...
US20080254971 PROCESS FOR RENDERING AN OXYGEN-SENSITIVE CATALYST INERT  
A process for rendering an oxygen-sensitive heterogeneous catalyst (s-cat) inert to oxygen, as well as a heterogeneous catalyst that is not sensitive to oxygen, is disclosed. The surface of the...
US20080249266 Polymerisation Catalyst System Based on Monooxime Ligands  
The present invention discloses active oligomerisation and polymerisation catalyst systems based on dioxime ligands.
US20080242533 Catalyst and Method for Producing Catalyst  
The present invention provides a method for producing a catalyst comprising the steps of: producing a metal salt solution containing salts of one or more metals; dispersing the metal salt solution,...
US20080226895 Use of Nanoparticles With a Metal Core and an Organic Double Coating as Catalysts and Nanoparticles That Are Useful as Catalysts  
The invention relates to the use of nanoparticles comprising a metal core containing at least one platinoid or an alloy of a platinoid, a first organic coating formed from molecules attached to the...
US20080214387 Process For Modifying Catalysts and the Use of the Catalysts  
Process for modifying catalysts via the deposition of carbon containing residues in the presence of one or more solvents, where the gas phase over the catalyst treatment solution during the...
US20080206562 METHODS OF GENERATING SUPPORTED NANOCATALYSTS AND COMPOSITIONS THEREOF  
The disclosure relates to metal nanoparticle compositions and methods of making such nanoparticle compositions that are useful for the production of electrically conductive features and catalysts.
US20080207853 Precatalysts useful in polyolefin polymerization reactions  
Compounds are provided that are useful as precatlysts in the polymerization of olefins such as ethylene and propylene. Other compounds are useful as intermediates in the production of such...
US20080207942 Chiral Phosphoramidites  
Phosphoramidites with the general formulae I to VI are claimed together with the use of these compounds as ligands of transition metal compounds, in particular in transition metal catalysts, in the...
US20080200626 Methods For Oligomerizing Olefins With Chromium Pyridine Thioether Catalysts  
The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a chromium based catalyst under oligomerization conditions. The catalyst can be the...
US20080200743 Methods For Oligomerizing Olefins With Chromium Pyridine Ether Catalysts  
The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a catalyst under oligomerization conditions. The catalyst can be the product of the...
US20080188686 Carbonylation Method by Adding Secondary Sterically Hindered Amines  
The invention relates to a process for reaction of a carbonylatable compound using a metal complex catalyst comprising a metal of transition group VIII and an organophosphorus ligand and in the...
US20080182989 Methods For Oligomerizing Olefins With Chromium Pyridine Mono-Oxazoline Catalysts  
The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a chromium based catalyst under oligomerization conditions. The catalyst can be the...
US20080177014 Polymerization Catalyst Composition and Process for Production of Polymer  
A polymerization catalyst composition for a radically polymerizable monomer of the present invention comprises a transition metal-containing phosphazenium composition which is produced by mixing a...
US20080166288 METHODS FOR MANUFACTURING SUPPORTED CATALYST FROM A POROUS SUPPORT AND A NANOCATALYST SOLUTION  
Supported catalysts are manufactured from a pretreated porous support material and a nanocatalyst solution of catalyst nanoparticles. The porous support material is pre-treated with a gaseous...
Matches 1 - 50 out of 59 1 2 >