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7416639 Ink-jet recording method using dispersion of alumina hydrate  
Disclosed herein is a recording medium comprising an alumina hydrate having an average pore radius of 20 to 200 Å and a half breadth of pore radius distribution of 20 to 150 Å.
7399727 Zeolite catalyst and method  
A catalyst is formed from a phosphorus-containing ZSM-5-type zeolite. The ZSM-5-type zeolite has a silica/alumina molar ratio of at least 200. The phosphorus-containing ZSM-5-type zeolite also has...
7396967 Manufacture of xylenes using reformate  
A process is provided for the production of xylenes from reformate. The process is carried out by methylating under conditions effective for the methylation, the benzene/toluene present in the...
7368410 Zeolite catalyst and method of preparing and use of zeolite catalyst  
A zeolite catalyst is prepared by treating a zeolite with a phosphorus compound to form a phosphorus-treated zeolite. The phosphorus-treated zeolite is heated to a temperature of about 300° C. or...
7304194 Hydrothermal treatment of phosphorus-modified zeolite catalysts  
A method of treating a ZSM-5-type zeolite catalyst is carried out by treating a ZSM-5 zeolite catalyst having a silica/alumina mole ratio of at least about 200 with a phosphorus compound. The...
7285511 Method of modifying zeolite catalyst  
A method of modifying a zeolite catalyst to increase para-xylene selectivity of the zeolite catalyst in toluene methylation reactions is provided. The method includes forming a slurry of a...
7279608 Toluene methylation process with increased methanol selectivity  
A method of converting methanol to a xylene product is achieved by providing a reactor containing a non-steamed, phosphorus-treated ZSM-5-type zeolite catalyst. The catalyst is contacted with a...
7244869 Method of aromatic alkylation  
A catalyst for use in aromatic alkylation, such as toluene alkylation with methanol, is comprised of a zeolite with pore size from about 5.0 to about 7.0 Å containing a hydrogenating metal. The...
7199277 Pretreating a catalyst containing molecular sieve and active metal oxide  
This invention relates to processes for converting oxygenates to olefins that include a step of pretreating catalyst, which comprises molecular sieve and one or more active metal oxides of one or...
7196237 Method of preparing an alkyl aromatic product  
A method of modifying a zeolite catalyst to increase selectivity of the catalyst is achieved by dissolving alumina in a phosphorus-containing acid solution, and treating the zeolite catalyst with...
7176339 Manufacture of xylenes using reformate  
A process is provided for the production of xylenes from reformate. The process is carried out by methylating under conditions effective for the methylation, the benzene/toluene present in the...
7119239 Manufacture of xylenes using reformate  
A process is provided for the production of xylenes from reformate. The process is carried out by methylating under conditions effective for the methylation, the benzene/toluene present in the...
7105713 Preparation of alkyl-aromatic products  
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...
7102051 Treatment of molecular sieves with silicon containing compounds  
This invention is directed to a molecular sieve composition or a catalyst containing molecular sieve which has a relatively high residual silica index, preferably at least about 1.5. The molecular...
7094941 Selectivated metallosilicate catalyst composite for alkyl aromatic conversion, process for the preparation thereof, use thereof in hydrocarbon conversion  
A repeated “soak and dry” selectivation process for preparing a modified metallosilicate catalyst composite is disclosed comprising of a mixture of amorphous silica, alumina and a pore size...
7084318 Toluene methylation process  
A method of preparing a xylene product is carried out in a reactor containing a phosphorus-treated ZSM-5-type zeolite catalyst. The method includes initiating a unique start-up of a toluene...
7060864 Toluene methylation process  
A method of preparing a xylene product is carried out by providing a reactor containing a non-steamed, phosphorus-treated ZSM-5-type zeolite catalyst. The catalyst is contacted with a...
7060644 Aromatic alkylation catalyst and method  
A catalyst for use in aromatic alkylation, such as toluene alkylation with methanol, is comprised of a zeolite with pore size from about 5.0 to about 7.0 Å containing a hydrogenating metal. The...
6943131 Selective zeolite catalyst modification  
A method of modifying a zeolite catalyst to increase selectivity of the catalyst is achieved by dissolving alumina in a phosphorus-containing acid solution, and treating the zeolite catalyst with...
6864200 Selectivated metallosilicate catalyst composite for alkylaromatic conversion, process for the preparation thereof, and use thereof in hydrocarbon conversion  
A repeated “soak and dry” selectivation process for preparing a modified metallosilicate catalyst composite is disclosed comprising of a mixture of amorphous silica, alumina and a pore size...
6743747 Catalyst pretreatment in an oxgenate to olefins reaction system  
Disclosed is a crystalline silicoaluminophosphate molecular sieve comprising a porous framework structure and at least one single ring aromatic compound within the porous framework structure. The...
6720041 Recording medium, and method for producing image using the same  
Provided is a recording medium of a multi-layered structure comprising a base layer and a surface layer provided on at least one side of the base layer, wherein the base layer is mainly composed of...
6716495 Ink-jet recording apparatus and recording medium  
An ink-jet recording apparatus is adapted to eject ink from an ink-jet head onto a recording medium held in position by means of an electrostatic adsorption system. The surface resistance of the...
6706340 Recording medium, process for production thereof, and image-forming method employing the recording medium  
A recording medium having a non-sized single-layer fibrous structure which is composed mainly of a fibrous material and contains no filler and employing a face of the single-layer fibrous structure...
6685999 Recording medium and method of manufacturing the same  
A recording medium for ink jet printing comprises a base material layer such as paper or plastic sheet, a porous lower layer formed on the base material layer, and a porous upper layer formed on...
6649661 Dispersions of alumina hydrate  
A dispersion of alumina hydrate comprises an alumina hydrate containing 0.1 to 1.0% by weight of a nitrate anion and having an average pore radius of 20 to 200 Å and a half breadth of pore radius...
6649234 Fine powder material for forming in-receiving layer, manufacturing method thereof, recording medium making use of the fine powder material and image forming method using the recording medium  
Provided is a fine powder material for forming an ink-receiving layer on a recording medium, wherein a pore radius maximum exists within a range of from 90 to 120 Å in a pore radius distribution...
6632488 Ink jet recording material  
An ink jet recording material which includes a paper sheet substrate and an ink receiving layer containing a xerogel porous pigment and has excellent ink-absorption and reproducibility of ink...
6576324 Printing medium  
Disclosed herein is a printing medium provided on a base material with a porous ink-receiving layer which comprises, as principal components, an alumina hydrate having a boehmite structure and a...
6541408 Zeolite catalysts having stabilized hydrogenation-dehydrogenation function  
A zeolite catalyst suitable for use in shape-selective hydrocarbon conversion processes. The catalyst is modified by incorporation therein of a hydrogenation-dehydrogenation functional metal,...
6504074 Toluene disproportionation using coated zeolite catalyst  
There is provided a coated zeolite catalyst in which the accessibility of the acid sites on the external surfaces of the zeolite is controlled and a process for converting hydrocarbons utilizing...
6458736 Hydrocarbon conversion process using a zeolite bound zeolite catalyst  
There is provided a process for converting hydrocarbons which utilizes a zeolite bound zeolite catalyst that has enhanced performance when utilized in hydrocarbon conversion processes, e.g.,...
6346498 Zeolite catalysts having stabilized hydrogenation-dehydrogenation function  
A zeolite catalyst suitable for use in shape-selective hydrocarbon conversion processes. The catalyst is modified by incorporation therein of a hydrogenation-dehydrogenation functional metal,...
6326075 Ink jet recording material  
An ink jet recording material having excellent ink jet recording performance and offset printing performance has an ink receiving layer formed on a support and containing a cationic resin, the ink...
6198013 Toluene disproportionation process using a zeolite bound zeolite catalyst  
There is provided a process for converting hydrocarbons which utilizes a zeolite bound zeolite catalyst that has enhanced performance when utilized in hydrocarbon conversion processes, e.g.,...
6133470 Integration of p-xylene production and subsequent conversion process  
A process for producing terephthalic acid and/or dimethyl terephthalate includes contacting a toluene-containing reaction stream with a first catalyst under toluene disproportionation conditions to...
5994603 Methylation of toluene to para-xylene  
A process is provided for the production of paraxylene by the methylation of toluene in the presence of a zeolite bound zeolite catalyst. The catalyst comprises first zeolite crystals which are...
5990365 Catalyst comprising ZSM-5, rhenium and a selectivating agent  
There is provided a catalyst comprising ZSM-5, rhenium which is impregnated onto the catalyst, and a selectivating agent. The selectivating agent may be coke and/or a siliceous material. The...
5962124 Recording medium and dispersion of alumina hydrate  
Disclosed herein is a recording medium comprising an alumina hydrate having an average pore radius of 20 to 200 Å and a half breadth of pore radius distribution of 20 to 150 Å.
5955185 Recording medium, and an image forming method using the medium  
A recording medium includes a porous ink-receiving layer whose main components are an alumina hydrate having a boehmite structure, and a binder. The ink-receiving layer contains voids which...
EP0763001B1 SELECTIVE PRODUCTION OF PARA-DIALKYL SUBSTITUTED BENZENES  
Abstract not available for EP0763001 Abstract of corresponding document: US5488194 A process is provided for selective catalytic conversion of certain hydrocarbon feedstocks to product rich in...
5939597 Fluid bed process for para-xylene production  
Para-xylene is produced by toluene methylation by charging toluene and a methylating agent to a fluidized bed of catalyst at a rate sufficient to maintain the fluidized bed in a turbulent...
5925237 Method for inhibiting the rate of coke formation during the zeolite catalyzed aromatization of hydrocarbons  
The rate of coke formation during the aromatization of gasoline boiling range hydrocarbons in which the hydrocarbons are contacted with a zeolite catalyst is significantly reduced by providing a...
5869177 Recording medium, ink-jet recording method using the same, and dispersion of alumina hydrate  
Disclosed herein is a recording medium comprising an alumina hydrate having an average pore radius of 20 to 200 Å and a half breadth of pore radius distribution of 20 to 150 Å.
5856001 Ink jet recording medium  
An ink jet recording medium having excellent image reproducibility, ink-drying property and pencil writing property has an ink receiving layer, formed on a substrate, including porous xerogel...
5851654 Recording medium and ink-jet recording method using the same  
Disclosed herein is a recording medium comprising an alumina hydrate having an average pore radius of 20 to 200 Å and a half breadth of pore radius distribution of 20 to 150 Å.
5849968 Hydrocarbon conversion process with alkaline earth metal ion exchanged selectivated zeolite catalyst  
There is provided a zeolite catalyst, which is first selectivated with a siliceous material and then treated with an aqueous solution comprising alkaline earth metal ions under ion exchange...
5846647 Recording medium, ink-jet recording method using the same, and dispersion of alumina hydrate  
Disclosed herein is a recording medium comprising an alumina hydrate having an average pore radius of 20 to 200 Å and a half breadth of pore radius distribution of 20 to 150 Å.
5804320 Recording medium  
A recording medium comprises an ink-receiving layer comprising a pigment and an alkali-process gelatin, wherein the alkali-process gelatin has no sol-gel reversibility in an environment of room...
5800916 Recording medium, ink-jet recording method using the same  
Disclosed herein is a recording medium comprising an alumina hydrate having an average pore radius of 20 to 200 Å and a half breadth of pore radius distribution of 20 to 150 Å.
Matches 1 - 50 out of 66 1 2 >