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| Number | Title | Issue Date |
| 7276148 | Process for treatment of organic waste The invention provides a multi-stage process for the treatment of organic waste comprising drying said waste to reduce the water content to below 15%; subjecting said dried waste to a thermochemical liquefaction process in the presence of a recirculating solvent med... | 10/02/2007 |
| 7005059 | Catalyst having at least one element of group VIIB and its use in hydro-treating The invention relates to a catalyst for the transformation of hydrocarbon-containing feedstocks, in particular hydrotreatment, comprising at least one metal of group VIIB and at least one hydro-dehydrogenating metal (of the non-noble metals of group VIII and/or the ... | 02/28/2006 |
| 5954947 | Process for mild hydrocracking of petroleum cuts using a catalyst containing at least two dealuminated Y zeolites A mild hydroconversion process for petroleum cuts using a catalyst comprising at least one matrix, at least one Y zeolite with a lattice parameter which is in the range 24.15 Å to 24.38 Å (1 nm--10 Å), at least one Y zeolite with a lattice parameter of... | 09/21/1999 |
| 5648580 | Supported lewis acid catalysts for hydrocarbon conversion reactions A supported Lewis acid catalyst system for catalyzing hydrocarbon conversion reactions including cationic polymerization, alkylation, isomerization and cracking reactions is disclosed, wherein the catalyst system comprises an inorganic oxide support havin... | 07/15/1997 |
| 5468369 | FCC process with upflow and downflow reactor A process and apparatus for short contact time fluidized catalytic cracking of heavy oil feed using a reactor with an upflow cat:oil vaporizer and a downflow reactor. Catalyst slip permits efficient mixing and limited conversion in the upflow section, whi... | 11/21/1995 |
| 4960507 | Two-step heterocyclic nitrogen extraction from petroleum oils A process for the removal of basic heterocyclic nitrogen compounds from petroleum oils which comprises: (a) contacting said petroleum oils containing basic heterocyclic nitrogen compounds with an aqueous solution of an acidic solvent at extraction conditi... | 10/02/1990 |
| 4940531 | Catalytic cracking process employing an acid-reacted metakaolin catalyst Acid reacted metakaolin useful for the preparation of catalyst and catalyst support compositions. The compositions may include solid inorganic oxides, such as zeolites, clay and/or inorganic gels. The compositions are spray dried and calcined to obtain hi... | 07/10/1990 |
| 4898661 | Method for dewaxing hydrocarbon oil employing crystalline aluminosilicates promoted with a solid fluorine compound The present invention is directed to a method for dewaxing hydrocarbon oil which is characterized by bringing the hydrocarbon oil into contact with a catalyst which is prepared by mixing specific crystalline aluminosilicate, defined in claim 1, having an ... | 02/06/1990 |
| 4798667 | Hydrocarbon conversion polymerization catalyst and method of making and using same A hydrocarbon conversion process is disclosed using a catalyst prepared by a method comprising reacting an adsorbent containing surface hydroxyl groups with a Lewis acid in a halogenated organic solvent.... | 01/17/1989 |
| 4790930 | Two-step heterocyclic nitrogen extraction from petroleum oils A process is disclosed for the removal of basic heterocyclic nitrogen compounds from a petroleum crude oil or fraction thereof which comprises first treating the petroleum crude oil or fraction thereof rich in basic heterocyclic nitrogen compounds in a tw... | 12/13/1988 |
| 4784749 | Cracking/dewaxing A process is provided for converting feedstock comprising hydrocarbon compounds to product comprising hydrocarbon compounds of lower molecular weight than feedstock hydrocarbon compounds over a catalyst comprising a siliceous zeolite prepared by the metho... | 11/15/1988 |
| 4719190 | Hydrocarbon conversion and polymerization catalyst and method of making and using same Method of preparing a hydrocarbon conversion and polymerization catalyst comprising reacting an adsorbent containing surface hydroxyl groups with a Lewis acid in a halogenated organic solvent.... | 01/12/1988 |
| 4683051 | Catalytic conversion with boron trifluoride treated zeolite A modified ZSM-5 type zeolite is provided by treatment of a ZSM-5 type zeolite with BF3. The novel product is characterized by reduced pore size and enhanced shape-selectivity, or by enhanced activity, or by both. This invention also provides a... | 07/28/1987 |
| 4623445 | Sodium tetrachloroaluminate catalyzed process for the molecular weight reduction of liquid hydrocarbons A process for reducing the molecular weight of hydrocarbons using NaAlCl4 is provided wherein the hydrogen to carbon ratio of the liquid product slate is approximately the same as the feed material. The process comprises contacting the feed mat... | 11/18/1986 |
| 4598059 | Process for the in situ fluorination of a catalyst The present invention comprises a process for in situ fluorinating a catalyst by passing a gas containing hydrogen through a catalyst bed, injecting a gaseous organic fluorine compound into the gas and recycling the gas at such a low temperature and durin... | 07/01/1986 |
| 4579987 | Catalysis over activated high silica zeolites A process is provided for converting feedstock comprising paraffins, olefins or mixtures thereof to product comprising C5 + hydrocarbons over a catalyst comprising a high silica crystalline zeolite which has been treated by steps of calcining t... | 04/01/1986 |
| 4557803 | Cracking process catalyst selection based on cation electronegativity A process for producing lower molecular weight products from higher molecular weight hydrocarbon liquid feedstock components is provided wherein the feedstock is contacted with an optimum catalyst comprising a molten salt of a tetrachloroaluminate. Select... | 12/10/1985 |
| 4555327 | Cracking with tetrachloroaluminate catalysts and water A process for producing lower molecular weight products from a heavy hydrocarbon feedstock is provided wherein the feedstock is contacted with a molten catalyst system comprising a tetrachloroaluminate catalyst and about 1 to about 25 mole percent water. ... | 11/26/1985 |
| 4517075 | Catalysis over activated zeolites A process is provided for conducting organic compound conversion over a catalyst comprising a high silica crystalline zeolite which has been treated by contact with aluminum chloride vapor.... | 05/14/1985 |
| 4515682 | Catalysis over activated high silica zeolites A process is provided for conducting organic compound conversion over a catalyst composition comprising a specially treated crystalline zeolite having a high initial silica-to-alumina mole ratio, said zeolite having been synthesized from a reaction mixtur... | 05/07/1985 |
| 4505810 | Hydrogen tetrachloroaluminate as a co-catalyst with sodium tetrachloroaluminate for the conversion of heavy hydrocarbons A process for producing lower average molecular weight products from heavy liquid hydrocarbons is provided comprising contacting the feed material in the presence of a co-catalyst system comprising a molten salt of sodium tetrachloroaluminate (NaAlCl... | 03/19/1985 |
| 4504378 | Sodium tetrachloroaluminate catalyzed process for the molecular weight reduction of liquid hydrocarbons A process for reducing the molecular weight of hydrocarbons using NaAlCl4 is provided wherein the hydrogen to carbon ratio of the product slate is approximately the same as the feed material, comprising contacting the feed material with a molte... | 03/12/1985 |
| 4500422 | Catalysis over activated zeolites A process is provided for conducting organic compound conversion over a catalyst comprising a crystalline zeolite which has been treated by impregnation with an ammoniacal aluminum fluoride solution, contact with an ammonium salt solution, and calcination... | 02/19/1985 |
| 4363717 | Conversion of heavy hydrocarbon oils This invention provides a process for upgrading a heavy hydrocarbon oil to motor fuel products. The heavy hydrocarbon oil is admixed with a metal halide catalyst and a solvent component under supercritical conditions to form (1) a dense-gas solvent phase ... | 12/14/1982 |
| 4317712 | Conversion of heavy petroleum oils Heavy petroleum oils, such as vacuum resids, and heavy fractions of tar sands and shale oil, are partially converted to more volatile hydrocarbons by mixing with light aromatic hydrocarbons and treatment of the mixture with a Friedel-Crafts catalyst such ... | 03/02/1982 |
| 4311581 | Process for reducing CO and SOx emissions from catalytic cracking units Reduction of CO and SOx emissions from regenerators associated with cyclical fluidized catalytic cracking (FCC) units used to convert hydrocarbon feedstocks into more valuable products is achieved by introducing particles of bastnaesite into th... | 01/19/1982 |
| 4123379 | Production of very strongly acidic solids for hydrocarbon conversions Solids have been prepared having very strongly acidic properties for hydrocarbon reactions. The solids are synthesized from anhydrous AlCl3 and a solid Bronsted acid.... | 10/31/1978 |
