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RE40299 |
Mesoporous-silica films, fibers, and powders by evaporation
This invention pertains to surfactant-templated nanometer-scale porosity of a silica precursor solution and forming a mesoporous material by first forming the silica precursor solution into a...
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6949488 |
Fischer-Tropsch catalyst regeneration
Methods and apparatus for providing the heat required to maintain the desired temperature for catalyst regeneration. The catalyst is heated by contacting a reactant gas mixture with the catalyst in...
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6828267 |
Magnesium chloride-alcohol carrier and olefin polymerization catalyst components made from the same
Described are a MgCl 2 based carrier containing Ti(OR) 4 and ROH, wherein R is C 1 ˜C 7 alkyl, and solid catalyst components made from said carrier. The carrier and the solid catalyst components...
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6540970 |
Method for the synthesis of molecular sieves
The present invention provides a method for the synthesis of MeAPO molecular sieves which includes the following steps: providing a source of alumina, a source of phosphorus, water, and a template...
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6530974 |
Method for the separation of molecules in the gas phase by adsorption by means of agglomerated solid inorganic adsorbents with a narrow and calibrated mesopore distribution
The present invention relates to a novel family of inorganic solids with a narrow and calibrated mesopore distribution which are agglomerated with a binder; these solids can advantageously be used...
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6409911 |
Silicoaluminophosphates having an AEL structure and their use as FCC catalysts
Disclosed are silicoaluminophosphates (SAPOs) having unique silicon distributions and high catalytic cracking activity a method for their preparation and their use as FCC catalysts. More...
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6383466 |
Method of dehydroxylating a hydroxylated material and method of making a mesoporous film
The present invention is a method of dehydroxylating a silica surface that is hydroxylated having the steps of exposing the silica surface separately to a silicon organic compound and a...
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6329017 |
Mesoporous silica film from a solution containing a surfactant and methods of making same
The present invention is a mesoporous silica film having a low dielectric constant and method of making having the steps of combining a surfactant in a silica precursor solution, spin-coating a...
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6306790 |
Catalytic silicoaluminophosphates having an AEL structure, and their use in catalytic craking
Disclosed are silicoaluminophosphates (SAPOs) having unique silicon distributions, a method for their preparation and their use as catalysts for the catalytic cracking of hydrocarbon feedstocks....
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6303534 |
Silicoaluminophosphates having an AEL structure, and their preparation
Disclosed are silicoaluminophosphates (SAPOs) having unique silicon distributions and their preparation. More particularly, the new SAPOs have a high silica:alumina ratio, and are prepared from...
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6300537 |
Method for the use of new silicoaluminophosphas having an AEL structure to convert naptha to C2 to C4 olefins
Disclosed are silicoaluminates (SAPOs) having unique silicon distributions, a method for their preparation and their use as naphtha cracking catalysts. More particularly, the new SAPOs have a high...
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6294493 |
Silicoaluminophosphates having an AEL structure
Disclosed are silicoaluminophosphates (SAPOs) having unique silicon distributions and high catalytic cracking activity, a method for their preparation and their use as FCC catalysts. More...
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6294081 |
Hydroprocessing with catalytic silicoaluminophosphates having an AEL structure
Disclosed are silicoaluminophosphates (SAPOs) having unique silicon distributions, a method for their preparation and their use as catalysts for the hydroprocessing of hydrocarbon feedstocks. More...
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6288298 |
Naphtha cracking utilizing new catalytic silicoaluminophosphates having an AEL structure
Disclosed are silicoaluminophosphates (SAPOs) having unique silicon distributions, a method for their preparation and their use as catalysts for the catalytic cracking of hydrocarbon feedstocks....
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6238550 |
Silicoaluminophosphates having AEL structure, a method for their preparation and their use as catalysts for the hydroprocessing of hydrocarbon feedstocks
Disclosed are silicoaluminophosphates (SAPOs) having unique silicon distributions, a method for their preparation and their use as catalysts for the hydroprocessing of hydrocarbon feedstocks. More...
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6096469 |
Ink receptor media suitable for inkjet printing
The ink receptor media of the invention comprise an ink receptor comprising surfactant templated mesoporous particles dispersed within an organic binder on the substrate. The ink receptor media may...
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6096288 |
Synthesis of the cubic mesoporous molecular sieve MCM-48
A method for synthesizing MCM-48 includes combining an inorganic silica reagent, an alkylammonium hydroxide and halide-containing surfactant to form a reaction mixture which is maintained under...
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5965474 |
FCC metal traps based on ultra large pore crystalline material
A composition for passivating metal contaminants in catalytic cracking of hydrocarbons includes a non-layered, ultra-large pore crystalline material with at least one peak at a position greater...
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5958367 |
Methods for preparing porous metal oxides
The present invention relates to a composition and a method for producing hexagonally-packed mesoporous metal oxides wherein the metal oxide is selected from transition metals and lanthanide...
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5800799 |
Porous inorganic oxide materials prepared by non-ionic surfactant and fluoride ion
A method for the preparation of new quasi-crystalline, porous inorganic oxide compositions formed in the presence of fluoride ion possessing a disordered assembly of worm-like channels. The method...
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5622684 |
Porous inorganic oxide materials prepared by non-ionic surfactant templating route
A method for the preparation of new quasi-crystalline, porous inorganic oxide materials possessing uniform framework-confined mesopores in the range 2.0-10.0 nm and large elementary particle size...
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5593655 |
Process for preparing a large molecular sieve
The present invention relates to a process for the preparation of a large-pore molecular sieve, comprising crystallizing the molecular sieve from a starting mixture at a pH in the range of from 3...
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