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| Number | Title | Issue Date |
| 7235508 | Metal-incorporated nanoporous nickel phosphate molecular sieve and its preparation method The present invention relates to a composition of metal-incorporated VSB-5 molecular sieve with nanopores and its preparation method, in particular, to a composition of a metal-incorporated VSB-5 molecular sieve with a framework of VSB-5 molecular sieve comprising n... | 06/26/2007 |
| 7169727 | Process for forming a ziegler-natta catalyst system having a controlled morphology A pre-catalyst is formed by reacting butylethylmagnesium with an alcohol to form a magnesium alkoxide compound, followed by contacting the magnesium alkoxide compound with a phosphorous compound to form a magnesium alkoxide phosphorous compound mixture. The magnesiu... | 01/30/2007 |
| 7148172 | High silica chabazite, its synthesis and its use in the conversion of oxygenates to olefins A porous crystalline material is described having the chabazite framework type and having a composition involving the molar relationship: X2O3:(n)YO2, wherein X is a trivalent element, such as aluminum, boron, iro... | 12/12/2006 |
| 7008896 | Situ formed anionic clay-containing bodies The present invention is directed to a process for the preparation of crystalline anionic clay-containing bodies from sources comprising a trivalent metal source and a divalent metal source comprising the steps of: a) preparing a p... | 03/07/2006 |
| 6319872 | Fischer-Tropsch processes using catalysts on mesoporous supports This invention provides a process for producing hydrocarbons. The process involves contacting a feed stream comprising hydrogen and carbon monoxide with a catalyst in a reaction zone maintained at conversion-promoting conditions effective to produce an ef... | 11/20/2001 |
| 5905051 | Hydrotreating catalyst composition and processes therefor and therewith A catalyst system and a process for converting a hydrocarbon stream such as, for example, a C9 +aromatic compound to C6 to C8 aromatic hydrocarbons such as xylenes are disclosed. The catalyst system comprises a first catal... | 05/18/1999 |
| 5736479 | Oxidation catalysts The invention concerns new oxidation catalysts, methods of producing them and their use. These catalysts consist of titanium silicalites crystallized in situ onto activated charcoal or metal oxides. The titanium silicalite content lies preferably in the r... | 04/07/1998 |
| 5503818 | Aluminosilicate catalyst, a process for the manufacture thereof and a process for the skeletal isomerization of linear olefins A novel family of substantially amorphous aluminosilicate catalysts and a process for the manufacture thereof are described. In the process, a source of silica, a source of alumina and a source of an alkali metal are mixed in an aqueous medium and then su... | 04/02/1996 |
| 5340506 | Method to synthesize dense crystallized sodalite pellet for immobilizing halide salt radioactive waste A method for immobilizing waste chloride salts containing radionuclides such as cesium and strontium and hazardous materials such as barium. A sodalite intermediate is prepared by mixing appropriate amounts of silica, alumina and sodium hydroxide with res... | 08/23/1994 |
| 4975402 | Catalyst for aromatization of olefins and paraffins An aromatization catalyst is obtained by physical mixing of a pentasil type zeolite, for example H-ZSM-5 and a zinc oxide-alumina co-precipitate. The weight ratio of the zeolite to the co-precipitate ranges from 4.3 to 28.3. The Zn/Al atomic ratio in the ... | 12/04/1990 |
| 4508840 | Method of preparing a high-density cracking catalyst with reduced sulfur emissions from coke Preparation of the silica and alumina matrix components of a zeolite cracking catalyst while intimately mixing at a pH of 3.0 to about 4.5 results in a selective catalyst of high density and low pore volume. The coke produced during cracking emits lower a... | 04/02/1985 |
| 4414138 | Fluid catalytic cracking catalyst An active alumina composite and a cracking catalyst comprising the composite useful in hydrocarbon conversion processes. The composite and catalyst are particularly useful in fluid catalytic cracking processes, wherein sulfur-containing feedstock is subje... | 11/08/1983 |
| 4323475 | Process for the production of amorphous aluminosilicates and their use as catalysts Amorphous aluminosilicates useful as catalysts, particularly for the decomposition of methanol to synthesis gas, are produced by reacting a source of silica, a source of alumina, a source of alkali metal, water and one or more polyamines other than a diam... | 04/06/1982 |
| 3969275 | Method for impregnating a water-sensitive solid with a water-soluble material using an aqueous impregnating solution A method is provided for impregnating a water-sensitive solid containing micropores, being substantially free of pores having a diameter above 1000 A., and comprising at least one metal oxide with a water-soluble material, said micropores containing a sub... | 07/13/1976 |
