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7446214 |
Method for purifying oxybisphthalic anhydrides
A method for purifying dianhydrides is provided. In one aspect, purified oxybisphthalic anhydrides, intermediates useful in the preparation of polyetherimides are provided. In one embodiment, a...
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7446078 |
Adsorbent for water removal from ammonia
The present invention provides an adsorbent for removing water and/or other oxygen-containing impurities from a fluid comprising ammonia to the ppb level and methods for making and using same. The...
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7446077 |
Selective sulfur removal from hydrocarbon streams by absorption
An adsorbent for selective removal of sulfur from a hydrocarbon feedstock includes a matrix material having a surface area of at least about 400 m 2 /g and a surface acidity of less than about 0.20...
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7446076 |
Exhaust gas purification catalyst
Catalytic converter comprises a carrier having exhaust gas passages therein, a lower catalytic layer coated over the carrier and comprising hollow oxide powder loaded with catalytic metal, and an...
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7446075 |
Transition metal phosphides and hydrotreating process using the same
A catalyst for hydrotreating a hydrocarbon feed has been developed. The catalyst comprises a metal phosphide and promoter metal component as the catalytic component. At least a portion of the metal...
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7446074 |
Highly concentrated, stable, and safe diacyl peroxide and peroxydicarbonate emulsions with a low chemical oxygen demand value
The invention relates to highly concentrated aqueous emulsions of peroxides comprising an anti-freeze agent, a polyvinyl acetate with a degree of hydrolysis between 45 and 80%, and optionally a...
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7446073 |
Catalyst compounds, catalyst systems thereof and their use in a polymerization process
The present invention relates to a cyclic germanium bridged bulky ligand metallocene-type catalyst compound, a catalyst system thereof, and to its use in a process for polymerizing olefin(s) to...
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7446072 |
Preparation of supported catalyst systems containing reduced amounts of aluminoxanes
The present invention relates to a process for preparing a catalyst solid for olefin polymerization, comprising a finely divided support, an aluminoxane and a metallocene compound, which comprises
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7446071 |
Catalytic naphtha cracking catalyst and process
A process is disclosed for enhancing the production of light olefins using a catalyst with small pores. The catalyst comprises a layered zeolite material comprising an inner layer having pores of 8...
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7446070 |
Exhaust gas-purifying catalyst
An exhaust gas-purifying catalyst includes a zeolite and a perovskite composite oxide containing palladium placed at its B site.
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7446069 |
Fluoride-modified zeolite catalyst
A method of modifying a ZSM-5-type zeolite catalyst to increase selectivity of the catalyst for para-isomers in aromatic alkylation reactions is provided. The method includes contacting a...
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7445742 |
Imprinting nanoscale patterns for catalysis and fuel cells
A method and mold for creating nanoscale patterns in an ion-selective polymer membrane is provided, in which a mold comprising a substrate and a molding layer having at least one protruding feature...
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7442846 |
Process for the regeneration of catalysts for steam cracking
Process for the regeneration of exhausted catalysts, containing one or more calcium aluminates, for steam cracking reactions, comprising treating said exhausted catalysts in a stream of water...
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7442845 |
Conversion of ethers to olefins
Ethers are cracked to olefins using a gamma-alumina catalyst in the presence of ammonia. The use of ammonia improves the selectivity to linear alpha olefins in comparison to cracking reactions in...
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7442819 |
Catalysts for olefin polymerization or oligomerization
Novel iron and cobalt complexes of certain novel tricyclic ligands containing a “pyridine” ring and substituted with two imino groups are polymerization and/or oligomerization catalysts for...
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7442816 |
Antimony vanadium phosphate
A new composition, SbVPO 6+δ , in which 0≦δ≦ 1.5, has been prepared. Crystals of the compound have been grown by several methods, and the crystal structure has been determined. It is related...
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7442779 |
Isolation of proteins
The present invention relates to a novel method for the isolation or purification of immunoglobulins (a special class of proteins) from a solution containing immunoglobulins, e.g. hybridoma cell...
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7442750 |
Supported olefin polymerization catalyst
Supported catalyst systems are provided comprising (a) a transition metal compound, (b) an activator comprising (iii) an aluminoxane or (iv) a Group lilA metal or metalloid compound, and (c) a...
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7442669 |
Oxidation catalysts comprising metal exchanged hexaaluminate wherein the metal is Sr, Pd, La, and/or Mn
The present invention provides metal-exchanged hexaaluminate catalysts that exhibit good catalytic activity and/or stability at high temperatures for extended periods with retention of activity as...
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7442668 |
Solid acid catalyst containing tin and method for preparation thereof
An object is to provide a sulfated tin oxide catalyst with strong catalytic activity, and a method for preparation thereof. It was discovered that in the preparation of a solid acid catalyst...
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7442667 |
Preparation of supported cocatalysts
The present invention relates to a process for preparing a supported cocatalyst for olefin polymerization, which comprises reacting A) a support bearing functional groups, B) triethylaluminum and...
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7442666 |
Catalytic system for the dehydrogenative condensation of polyorganosiloxanes with alcohols and a process for preparing organically modified polyorganosiloxanes
The invention relates to a catalytic system for the dehydrogenative condensation of polyorganosiloxanes with alcohols, consisting of at least one boron compound and at least one synergistically...
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7442665 |
Preparation and screening of crystalline inorganic materials
Methods and apparatus for the preparation and use of a substrate having an array of diverse materials in predefined regions thereon. A substrate having an array of diverse materials thereon is...
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7442664 |
Process for the preparation of an FCC catalyst
This invention relates to a process for the preparation of a fluid catalytic cracking catalyst with improved attrition resistance. According to this preparation process, an aqueous slurry...
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7442367 |
Production method for zeolite shaped body and production method for zeolite layered composite
The present invention discloses a production method for a zeolite shaped body in which a tetrapropylammonium hydroxide (TPAOH) solution and tetrapropylammonium bromide (TPABr) are added to a silica...
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7442365 |
Process for preparing molecular sieve beads
A process for preparing beads of various compositions has been developed. The process involves preparing a reaction mixture of sources of framework elements of a molecular sieve. The reaction...
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7442347 |
Heat insulating member for end cone portion of exhaust gas conversion apparatus
A heat insulating member for an end cone portion of an exhaust gas conversion apparatus is formed by laminating sheets each made of alumina-silica based ceramic fibers to form a matte and...
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7442232 |
Adsorbents, methods of preparation, and methods of use thereof
Adsorbents and methods of use thereof are provided. One representative, among others, includes an adsorbent having an alkali metal promoted, mixed trivalent layered double hydroxide (LDH)...
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7439414 |
Oxygenate conversion catalyst processing
Improved processing of spent catalyst from an oxygenate-containing feedstock to olefins conversion process is realized through the employment of a barrier filter to treat a catalyst...
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7439390 |
Process for preparing amino acids using the amidocarbonylation reaction
The present invention relates to a sequence for the preparation of amino acids, for example alpha-amino acids, in particular methionine, by making use of an amidocarbonylation reaction in the...
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7439379 |
Transition metal complex, catalyst for olefin polymerization, and process for producing olefin polymer with the same
The present invention relates to a transition metal complex represented by the formula (I):
wherein M represents a Group 4 transition metal;
—Y— represents (a): —C(R 1 )(R 20 )-A-,...
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7439378 |
Fulvene, metallocene catalysts and preparation method thereof, and preparation of polyolefines copolymer using the same
The present invention relates to a novel fulvene compound and a preparation method thereof, and more particularly to a fulvene compound having substituted groups in the 2- and 5-positions, prepared...
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7439313 |
Magnesium dichloride-ethanol adducts and catalyst components obtained therefrom
A MgCl 2 .mEtOH.nH 2 O adducts, where 3.4<m≦4.4, 0≦n≦0.7, characterized by an X-ray diffraction spectrum, taken under the condition set forth above, in which, in the range of 2θ...
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7439206 |
Process for selective oxidation of carbon monoxide in a hydrogen containing stream
A method of making a composition, said method comprising, spraying a substance comprising platinum and iron into or onto an alumina-containing compound is disclosed. The resulting composition can...
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7439205 |
Tridentate metal catalyst for olefin polymerization
In accordance with the present invention, there is provided a transition metal olefin polymerization catalyst component characterized by the formula:
where, M is a Group IV or a Group IV...
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7439204 |
Process for producing catalysts with reduced hydrogenation activity and use thereof
A process for controlling the hydrogenation activity of a catalyst comprised of a crystalline molecular sieve and at least one hydrogenation metal selected from the group consisting of a Group VIIB...
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7439013 |
Biocompatible polymer and filter for selectively eliminating leucocytes using the same
It is intended to provide a polymer which is scarcely eluted, has a high biocompatibility and is useful in a filter for selectively eliminating leucocytes. It is also intended to provide a filter...
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7438887 |
Manganese oxide nanowires, films, and membranes and methods of making
Nanowires, films, and membranes comprising ordered porous manganese oxide-based octahedral molecular sieves, and methods of making, are disclosed. A single crystal ultra-long nanowire includes an...
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7438875 |
Method for reducing odor using metal-modified silica particles
A method for reducing odor is provided. In one embodiment, the method comprises modifying the surface of silica particles with a transition metal so that the silica particles are bonded to the...
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7438866 |
Emission gas purification catalyst and internal combustion engine provided with the catalyst
A catalyst for use in purifying exhaust gas from an internal combustion engine. The active components of an exhaust gas purification catalyst for an internal combustion engine tend to be melted or...
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7438836 |
Dispersion and coating preparation containing nanoscale zinc oxide
The present invention provides a dispersion, which contains nano-sized zinc oxide particles, a coating preparation containing the dispersion, a process for the production of the dispersion, and a...
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7438806 |
Affinity matrices with enhanced visibility for molecular pull-down and immunoprecipitation applications
An affinity matrix for use in affinity based molecular pull down and immunoprecipitation procedures. The affinity matrix comprises a polymeric support, a dye attached to a fraction of the polymeric...
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7435840 |
Method for producing orthometalated and orthosubstituted metallocenes
The invention relates to compounds having a structural element of formula (I) in an aromatic hydrocarbon ring, wherein: M represents —Li, —MgX 3 , (C 1 -C 18 -Alkyl) 3 Sn—, —ZnX 3 or...
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7435759 |
Method for the production of dimethyl ether
A method for producing DME, which comprises separating a CO 2 rich stream from a crude product stream containing DME and CO 2 obtained by a DME synthesis from a feed syn gas; introducing the CO 2...
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7435704 |
Oxygen absorber
An oxygen absorber includes an iron powder, and a first layer coated on a surface of the iron powder and formed of iron chloride through a chemical reaction. Further, the oxygen absorber includes a...
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7435703 |
Catalyst comprising iron oxide made by heat decomposition of an iron halide and a lanthanide
A catalyst which is based upon an iron oxide and a compound of a lanthanide, of which iron oxide at least a portion is made by a process which involves heat decomposition of an iron halide, the...
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7435702 |
Photocatalyst and process for purifying gas effluent by photocatalytic oxidation
The photocatalyst based on a composite WO 3 —SiC/TiO 2 semiconductor and subjected to radiation whose wavelength is at least partly less than 400 nm gives1 photocatalytic oxidation of volatile...
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7435701 |
Catalytic composition and its preparation and use for preparing polymers from ethylenically unsaturated monomers
A catalytic composition, including a neutral metal-pair complex, is disclosed, along with a method for its preparation. A method for the polymerization of ethylenically unsaturated monomers using...
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7435700 |
Chromium oxide compositions containing zinc, their preparation and their use as catalysts and catalyst precursors
A chromium-containing catalyst is disclosed which includes both ZnCr 2 O 4 and crystalline α-chromium oxide. The ZnCr 2 O 4 contains between about 10 atom percent and 67 atom percent of the...
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7435699 |
Heterogeneous adsorbent and the use for diffusional separation methods
A non-homogeneous adsorbent is described, formed of a core and at least one continuous outer layer in which the core of said adsorbent has a volume adsorptive capacity representing at least 35% of...
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