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7622417 |
Synthesis and use of AEI structure-type molecular sieves
A method is disclosed of synthesizing an aluminophosphate or metalloaluminophosphate molecular sieve comprising an AEI structure type material, in which the rate of heating to the crystallization...
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7619128 |
Stabilizing catalyst activity during catalyst regeneration
This invention is directed to methods of converting oxygenates to olefin products. The methods provided include steps for protecting against deactivation of active molecular sieve catalysts during...
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7618916 |
Hydrotreating catalyst for gas oil, process for producing the same, and method of hydrotreating gas oil
An object of the present invention is to provide a hydrotreating catalyst capable of being produced by a simple method and capable of realizing ultra-deep desulfurization of sulfur components in...
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7601662 |
Copper CHA zeolite catalysts
Zeolite catalysts and systems and methods for preparing and using zeolite catalysts having the CHA crystal structure are disclosed. The catalysts can be used to remove nitrogen oxides from a...
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7576028 |
Catalyst body
A catalyst body comprising a carrier and a catalyst layer containing an alkali metal and/or an alkaline earth metal, loaded on the carrier, which catalyst further contains a substance capable of...
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7575737 |
UZM-27 family of crystalline aluminosilicate compositions and a method of preparing the compositions
This invention relates to a new family of crystalline aluminosilicate compositions designated the UZM-27 family. These include the species UZM-27P and UZM-27, which have unique structures. UZM-27P...
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7572749 |
Structured bodies with siliceous binder
The invention relates to the use of particulate silicone resins in the absence of added organic solvents with particulate inorganic materials to form structured bodies and in particular molecular...
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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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7560407 |
Hydroconversion catalysts and methods of making and using same
Stable catalyst carrier impregnating solutions can be prepared using a component of a Group VIB metal, e.g., molybdenum, at high concentration, a component of a Group VIII metal, e.g., nickel, at...
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7557060 |
Solid phosphoric acid with controlled porosity
The present invention relates to a solid phosphoric acid catalyst and a process for conversion of hydrocarbons using a solid phosphoric acid catalyst. The solid phosphoric acid catalyst comprises...
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7553794 |
Heteropolyacid and or its salt supported catalyst, production process of the catalyst and production process of compound using the catalyst
A supported catalyst comprising a support having supported thereon at least one member selected from the group consisting of heteropolyacids and heteropolyacid salts, in which the heteropolyacid...
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7547812 |
Enhancement of molecular sieve performance
A catalyst for converting methanol to light olefins and the process for making and using the catalyst are disclosed and claimed. SAPO-34 is a specific catalyst that benefits from its preparation in...
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7538063 |
Bismuth- and phosphorus-containing reforming catalysts, method of making and naphtha reforming process
Bismuth- and phosphorus-containing naphtha reforming catalysts, methods of making such catalysts, and a naphtha reforming process using such catalysts.
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7521084 |
Method for producing composite ceramic material
The present invention provides a method for manufacturing a titanium dioxide photocatalyst composite material, and relates to a method for manufacturing a titanium dioxide composite ceramic...
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7514476 |
Stable concentrated metal colloids and methods of making same
Metal-containing colloids are manufactured by reacting a plurality of metal ions and a plurality of organic agent molecules to form metal complexes in a mixture having a pH greater than about 4.25....
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7501481 |
Process for production of copolycarbonates with reduced color
A method is provided for reducing the color generated during production of copolycarbonate that includes quinone-type residues. The method includes the steps preparing a reaction mixture containing...
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7498399 |
Method of preparing ester-substituted diaryl carbonates
An improved method for the preparation of ester-substituted diaryl carbonates prepared by reacting phosgene with recycle streams of ester-substituted phenols from reaction processes using a...
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7498011 |
Aluminophosphate molecular sieve, its synthesis and use
A large pore (metallo)aluminophosphate molecular sieve is disclosed The material has an X-ray diffraction pattern including the lines listed in Table 4 and is synthesized in the presence of...
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7488700 |
Hydrothermally stable microporous molecular sieve catalyst and preparation method thereof
Disclosed are a hydrothermally stable porous molecular sieve catalyst and a preparation method thereof. The catalyst consists of a product obtained by the evaporation of water from a raw material...
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7485597 |
Method for improving the selectivity of a catalyst and a process for the epoxidation of an olefin
A method for improving the selectivity of a supported highly selective epoxidation catalyst comprising silver in a quantity of at most 0.17 g per m 2 surface area of the support, which method...
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7485596 |
Process for synthesizing a heteropoly acid catalyst for oxidation of unsaturated aldehydes to unsaturated carboxylic acid
The present invention is for a process for making a heteropoly acid compound catalyst for oxidation of unsaturated aldehydes, such as methacrolein, to unsaturated carboxylic acids, such as...
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7456128 |
Catalyst formulations for the thermo-catalytic cracking of naphthas and gas oils
Disclosed herein are cracking catalysts useful in the thermo-catalytic cracking (TCC)—formerly called selective deep catalytic cracking (SDCC)—of petroleum naphthas, gas oils and other heavy...
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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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7427578 |
Method for producing hydrorefining catalyst
A method for producing a hydrorefining catalyst includes the step of preparing a carrying solution containing molybdenum, phosphorus, and cobalt or nickel and bringing a carrier composed of an...
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7417007 |
Selective hydrogenation catalyst and methods of making and using same
A method for producing a selective hydrogenation catalyst for hydrogenating a highly unsaturated hydrocarbon to an unsaturated hydrocarbon comprising contacting an inorganic catalyst support with a...
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7407910 |
Ligands for asymmetric reactions
The invention relates to a process for the manufacture of bidentate ligands of the formula IA and IIA, characterized in that N,N-(optionally substituted) dialkylamino phosphines bound to an...
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7399799 |
Flame-retardant polyester polymer dyeable with cationic dye, method of producing the same, and copolyester fiber using the same
Disclosed is a flame-retardant polyester polymer dyeable with a cationic dye, a method of producing the same, a copolyester fiber using the same, and fiber products using the copolyester fiber. In...
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7390868 |
Catalyst for polycarbonate production and process for producing polycarbonate
Provided are a catalyst for producing polycarbonate comprising a reaction product obtained by reacting (a) a catalyst carrier containing nitrogen or phosphorus with (b) a palladium compound and (c)...
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7385803 |
Tetravalent metal acid triphosphates
This invention is based on the preparation of new solid acid triphosphates with compositions of the general formula M(IV)(HPO4)(H2PO4)2, where M(IV) is a tetravalent metal or a mixture of...
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7384887 |
Attrition resistant molecular sieve catalysts
This invention is directed to a hardened molecular sieve catalyst composition, a method of making the composition and a method of using the composition. The catalyst composition is made by mixing...
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7378366 |
Manganese-based oxidation catalyst
A catalyst for the oxidation of volatile organic compounds and carbon monoxide comprising manganese and alumina, such catalyst having been impregnated with a phosphorus compound. The presence of...
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7375050 |
Synthesis and use of aluminophosphates and silicoaluminophosphates
Disclosed are methods and compositions of synthesis mixtures for the synthesis of aluminophosphates and silicoaluminophosphate molecular sieves, which enable the control and adjustment of the...
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7355086 |
Method for stabilizing catalyst activity during MTO unit operation
A method for maintaining the activity of silicoaluminophosphate (SAPO) molecular sieve catalyst particles during oxygenate to olefin conversion reactions. After regeneration of SAPO catalyst...
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7345133 |
Branched polycarbonates
A branched polycarbonate and processes for its preparation are disclosed. The polycarbonate contains structural units conforming to
in which R 1 , R 2 , R 3 and R 4 mutually independently...
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7341707 |
Method for in-situ synthesis of crystalline microporous metalloaluminophosphate in a formed body
The invention concerns a method for production of microporous crystalline metalloaluminium phosphates (ELAPO) based adsorbents or catalysts by in-situ crystallisation of ELAPO inside a formed body....
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7341706 |
Method of synthesising crystalline microporous metalloaluminophosphate for a solid body
The invention concerns a simple and cheap method for production of microporous crystalline metalloaluminiumphosphates (ELAPO) for use as adsorbent or catalyst by wholly or partially filling the...
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7339021 |
Method for preparing polycarbonate resin
The present invention relates to a method for preparing polycarbonate resin, and more particularly to a method for effectively preparing polycarbonate resin having a large molecular weight in a...
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7335621 |
Catalyst compositions and preparation thereof
This invention relates to a process and the product thereof for preparing, a molecular sieve catalyst composition, comprising a mixture of: a first quantity of molecular sieve particles, having an...
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7335620 |
Photocatalytic powder, photocatalytic slurry, and polymer composition, coating agent, photocatalytic functional molded article and photocatalytic functional structure using the powder
An object of the present invention is to provide a photocatalytic powder containing titanium dioxide fine particles containing an anionically active substance, where the electrokinetic potential of...
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7329625 |
Attrition resistant molecular sieve catalyst
This invention provides a process for making an attrition resistant molecular sieve catalyst composition. The formation of highly attrition resistant catalyst particles is accomplished by initially...
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7326764 |
Transparent compositions, methods for the preparation thereof, and articles derived therefrom
A reaction product comprises a first polyester-polycarbonate comprising a polyester unit and a polycarbonate unit, a second polyester-polycarbonate comprising a polyester unit and a polycarbonate...
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7323536 |
Transparent compositions, methods for the preparation thereof, and articles derived therefrom
A reaction product comprises a polyester-polycarbonate comprising a polyester unit and a polycarbonate unit, and a transesterification catalyst. The reaction product has a haze of less than 5.0%,...
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7323535 |
Transparent compositions, methods for the preparation thereof, and articles derived therefrom
A reaction product comprises a polyester-polycarbonate comprising a polyester unit and a polycarbonate unit, a polycarbonate polymer, and a transesterification catalyst, wherein the...
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7320782 |
Process for preparing a layered molecular sieve composition
A process for preparing a layered composition has been developed. The composition comprises an inner core and an outer layer comprising a molecular sieve. The process involves providing a slurry...
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7309679 |
Attrition resistant MTO catalyst
A process is presented for the formation of a SAPO-34 catalyst product. The process creates a harder, more attrition resistant catalyst for use in the MTO process.
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7307034 |
Alumina guard bed for aromatics transalkylation process
A transalkylation process for reacting carbon number nine aromatics with toluene to form carbon number eight aromatics such as para-xylene is herein disclosed. The process is based on the discovery...
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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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7279544 |
Transesterification process for the production of polycarbonates having a low content of volatile compounds
A multi stage process for the production of polycarbonates having low monomer content is disclosed. The process entails, in sequence, (i) transesterifying in the melt at least one dihydroxyaryl...
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7273827 |
Molecular sieve catalyst composition, its production and use in conversion processes
The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst...
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7265075 |
Hydro-refining catalyst, carrier for use therein and method for production thereof
A method for producing a hydrorefining catalyst of the present invention has a step of preparing an aluminum solution containing phosphorus in a molar ratio of 0.001 to 0.05 with respect to...
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