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| Number | Title | Issue Date |
| 7381321 | Process for improving aromatic and naphtheno-aromatic gas oil fractions Process for transforming a gas-oil fraction that makes it possible to produce a fuel that has a quality according to stringent requirements in terms of sulfur content, aromatic compound content, cetane number, boiling point, T95, of 95% of the compounds and density,... | 06/03/2008 |
| 7332071 | Process for improving aromatic and naphtheno-aromatic gas oil fractions Process for transforming a gas oil fraction that makes it possible to produce a fuel that has a quality according to stringent requirements in terms of sulfur content, aromatic compound content, cetane number, boiling point, T95, of 95% of the compounds and density,... | 02/19/2008 |
| 7297831 | Process of preparing aromatic hydrocarbons and liquefied petroleum gas from hydrocarbon mixture Disclosed is a process of preparing aromatic hydrocarbons and liquefied petroleum gas (LPG) from a hydrocarbon mixture, in which a non-aromatic compound in the hydrocarbon feedstock mixture is converted into a gaseous material having a large amount of LPG through hy... | 11/20/2007 |
| 6736959 | Process for improving the pour point of feeds containing paraffins using a catalyst based on a bridged dioctahedral 2:1 phyllosilicate The invention concerns a process for improving the pour point of a feed comprising paraffins containing more than 10 carbon atoms, in which the feed to be treated is brought into contact with a catalyst. The catalyst comprises at least one dioctahedral 2:1 phyllosil... | 05/18/2004 |
| 6733657 | Hydrocracking catalyst having a unique silica-alumina substrate A hydrocarbon conversion catalyst contains at least one silica-alumina having the following characteristics: A content by weight of silica SiO2 of between 10 and 60% by weight; an Na content less than 300 ppm by weight; a total pore volume of between 0.5 ... | 05/11/2004 |
| 6500330 | Hydrocracking process with catalyst comprising a zeolite Y not globally dealuminized, an element of group VB, and a promoter element of boron, phosphorus and silicon The invention relates to a hydrocracking catalyst comprising at least one amorphous or poorly crystallized matrix of the oxide type, at least one element of group VB, preferably niobium, and at least one zeolite Y not globally dealuminized, at least one p... | 12/31/2002 |
| 6375830 | Isoparaffinic base stocks by dewaxing fischer-tropsch wax hydroisomerate over Pt/H-mordenite A high VI and low pour point lubricant base stock is made by hydroisomerizing a high purity, waxy, paraffinic Fischer-Tropsch synthesized hydrocarbon fraction having an initial boiling point in the range of 650-750° F., followed by catalytically dewaxing... | 04/23/2002 |
| 6344135 | Hydrocracking process using a catalyst comprising an IM-5 zeolite and a catalyst comprising an IM-5 zeolite and a promoter element The invention concerns a hydrocracking process using a catalyst comprising at least one matrix, an IM-5 zeolite, at least one metal selected from the group formed by metals from group VIB and group VIII of the periodic table, optionally at least one eleme... | 02/05/2002 |
| 6251261 | Catalyst that comprises a clay and an element of group VB, and its use in hydrocraking of petroleum feedstocks that contain hydrocarbon The invention relates to a hydrocracking catalyst that comprises at least one oxide-type amorphous or poorly crystallized matrix, at least one element of group VB, preferably niobium, and at least one clay that is selected from the group that is formed by... | 06/26/2001 |
| 6171474 | Zeolite Y catalyst containing silicon useful for hydrocracking Useful for example, for the hydrocracking of hydrocarbons is a catalyst comprising a matrix, at least one Y zeolite which is dealuminated and has a lattice parameter in the range 2.424 nm to 2.455 nm, a global SiO2 /Al2 O3... | 01/09/2001 |
| 6171475 | Process for controlled degradation of hydrocarbon polymers A method for converting a polymer or oligomer derived from an ethylenically unsaturated monomer into alkanes or into a hydrocarbon fraction or a lower oligomer fraction by controlled hydrocracking, wherein the polymer or oligomer is exposed to a catalyst ... | 01/09/2001 |
| 6139719 | Long-reticulate-distance pillared dioctahedral phyllosilicate 2:1, catalyst and conversion process The invention relates to dioctahedral phyllosilicates 2:1 whose basal spacing is at least equal to 2.0×10-9 m and which in the interlayer space comprise pillars based on at least one of the compounds that is selected from the group that is for... | 10/31/2000 |
| 6132594 | Hydrocracking catalyst and hydrocracking method for hydrocarbon oils A hydrocracking catalyst for hydrocarbon oil, comprising a complex oxide with at least 2 different elements selected from Group 3b, Group 4a, Group 4b and Group 5b of the Periodic Table, zeolite having a solid Al-NMR spectrum wherein the ratio A/B of the ... | 10/17/2000 |
| 6123831 | Catalyst comprising a zeolite selected from the group formed by zeolites NU-85, NU-86 and NU-87, an element from group VB and its use in the hydroconversion of hydrocarbon petroleum charges The invention concerns a hydrocracking catalyst comprising at least one amorphous or poorly crystallised matrix of oxide type, at least one element from group VB, preferably niobium, at least one zeolite selected from the group formed by zeolites NU-85, N... | 09/26/2000 |
| 5419830 | Method for controlling hydrocracking and isomerization dewaxing Nitrogenous compounds especially bases such as ammonia vapor are used to control the operation of a hydrocracker or catalytic dewaxer. Catalyst activity and selectivity may be controlled by addition of the base to the feed, for example, to control the bal... | 05/30/1995 |
| 5409597 | Hydrocarbon conversion process using a pillared clay containing fluorided pillars Hydrocarbon conversion processes are disclosed which are catalyzed by novel pillared clay compositions. The clay contains pillars which are at least partially fluorided. These pillars are metal fluoro hydroxy cations where the metal can be Al, Zr, Si/Al, ... | 04/25/1995 |
| 5374349 | Hydrocracking process employing catalyst containing zeolite beta and a pillared clay A composition of matter comprising zeolite Beta and a pillared clay is especially suited for use in combination with one or more hydrogenation components as a catalyst for hydrocracking various types of feedstocks.... | 12/20/1994 |
| 5178748 | Catalytic reactions using zeolites A catalyst comprising a novel zeolite NU-87, is useful in a wide variety of hydrocarbon conversion reactions including isomerisation, transalkylation and alkylation.... | 01/12/1993 |
| 5149421 | Catalytic dewaxing process for lube oils using a combination of a silicoaluminophosphate molecular sieve catalyst and an aluminosilicate zeolite catalyst The present invention relates to a process for catalytically dewaxing a hydrocarbon oil feedstock by contacting the feedstock with a combination of a catalyst comprising an intermediate pore size silicoaluminophosphate molecular sieve and a hydrogenation ... | 09/22/1992 |
| 5139647 | Process for preparing low pour middle distillates and lube oil using a catalyst containing a silicoaluminophosphate molecular sieve The present invention relates to a hydrocracking and isomerization process for preparing low pour point middle distillate hydrocarbons and lube oil from a hydrocarbonaceous feedstock boiling above about 600° F. by contacting the feedstock with a catalyst... | 08/18/1992 |
| 5124136 | Synthesis of crystalline metalloluminophosphate composition Crystalline metalloaluminophosphate compositions having pore windows formed by 18 tetrahedral members are prepared from a forming mixture containing sources of aluminum, phosphorus and a non-aluminum, non-phosphorus element, e.g. boron or boron and silico... | 06/23/1992 |
| 5108581 | Hydroconversion of heavy feeds by use of both supported and unsupported catalysts Disclosed is a catalytic process for hydroconverting heavy hydrocarbonaceous feedstocks to lower boiling products wherein a catalyst precursor concentrate or catalyst concentrate is first prepared in a heavy oil medium then fed to a hydroconversion zone w... | 04/28/1992 |
| 5091073 | Crystalline molecular sieve compositions MCM-37 This invention relates to a novel synthetic crystalline molecular sieve composition, MCM-37, which may contain framework +3 valence element, e.g. aluminum, and +5 valence element, e.g. phosphorus or with an addition +4 valence element, e.g. silicon, and t... | 02/25/1992 |
| 5068096 | Synthesis of crystalline silicate MCM-47 This invention relates to a new form of crystalline material identified as zeolite MCM-47, to a new and useful improvement in synthesizing said crystalline material and to use of said crystalline material prepared in accordance herewith as a catalyst for ... | 11/26/1991 |
| 5062943 | Modification of bifunctional catalyst activity in hydroprocessing The equilibration of a zeolitic hydrocracking catalyst is accelerated by the addition of nitrogen compounds to the hydrocracker feed during the start of cycle (SOC). Addition of the nitrogen compounds reduces the exotherm, indicative of a decrease in the ... | 11/05/1991 |
| 5061362 | Process for hydrogenation of heavy oil An improved process for hydrogenation of heavy oil is provided by the use of a mixed catalyst. In the process of the present invention, a mixture of a direct desulfurization catalyst and a spent FCC catalyst which is free of molybdenum is used as the mixe... | 10/29/1991 |
| 5021377 | Demetallization and passivation of spent cracking catalysts A process for reactivating a spent, metal-contaminated zeolite-containing catalytic cracking catalyst composition comprises partially demetallizing (preferably by chlorinating and washing) the spent catalytic cracking catalyst composition, and thereafter ... | 06/04/1991 |
| 4943366 | Production of high octane gasoline A moderate pressure hydrocracking process in which a highly aromatic, substantially dealkylated feedstock having a boiling point in the range between 300° and 650° F. is processed directly to high octane gasoline by hydrocracking over a catalyst, prefer... | 07/24/1990 |
| 4919788 | Lubricant production process A process for producing lubricant oils of low pour point and high viscosity index by first carrying out a partial dewaxing of a lubricant base stock in an initial catalytic dewaxing operation, followed by a selective dewaxing step. The initial catalytic d... | 04/24/1990 |
| 4919789 | Production of high octane gasoline A moderate pressure hydrocracking process in which a highly aromatic, substantially dealkylated feedstock having a boiling point in the range between 300° and 650° F. is processed directly to high octane gasoline by hydrocracking over a catalyst, prefer... | 04/24/1990 |
| 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 |
| 4871445 | Hydrocarbon conversion A hydrocracking process, of especial use in producing high octane gasoline from gas oils and the like, comprises contacting a gas oil or other hydrocarbon feedstock under hydrocracking conditions with a novel catalyst comprising at least one niobium compo... | 10/03/1989 |
| 4844790 | Hydrocarbon conversion processes using delaminated clay catalysts Delaminated clays whose X-ray diffraction patterns do not contain a distinct first order reflection are prepared from synthetic and natural swelling clays whose particles have a length-to-width ratio greater than about 2.0, a length-to-thickness ratio gre... | 07/04/1989 |
| 4808297 | Protective slurry mixture By use of a slurry mixture described herein, catalyst particles or other similar particles can be transferred over considerable temperature differential without breaking or crumbling. By selecting a carrier fluid with a combination of high critical temper... | 02/28/1989 |
| 4767522 | Distillate dewaxing process with mixed zeolites Waxy distillate feedstocks are dewaxed by passing the waxy feedstock over a catalyst bed containing a mixture of medium pore zeolite and large pore zeolites having a Constraint Index less than 2 and having hydroisomerization activity in the presence of a ... | 08/30/1988 |
| 4738766 | Production of high octane gasoline A moderate pressure hydrocracking process in which a highly aromatic, substantially dealkylated feedstock having a boiling point in the range between 300° and 650° F. is processed directly to high octane gasoline by hydrocracking over a catalyst, prefer... | 04/19/1988 |
| 4676887 | Production of high octane gasoline A moderate pressure hydrocracking process is disclosed in which substantially dealkylated heavy distillate feedstocks are processed directly to high octane gasoline over a catalyst, preferably comprising a crystalline silicate zeolite hydrocracking compon... | 06/30/1987 |
| 4591426 | Process for hydroconversion and upgrading of heavy crudes of high metal and asphaltene content A process for upgrading feedstocks containing not less than about 200 ppm metals, an API gravity of less than about 20°, a Conradson Carbon of more than about 8%, by hydroconversion with hydrogen in the presence of a naturally occurring inorganic materia... | 05/27/1986 |
| 4584093 | Process for the hydrotreatment of hydrocarbon oil employing catalysts based on alumina, silica or silica-alumina Supported catalysts which are made by shaping catalyst carrier, with or without catalyst precursors, into balls, calcining the balls at 300°-1000° C., and crushing the calcined balls to particles whose average size is 0.2-0.8 times the average diameter ... | 04/22/1986 |
| 4578179 | Hydrofining process for hydrocarbon containing feed streams A treated decomposable compound of molybdenum, which has been prepared by the catalytic hydrogenation of a decomposable compound of molybdenum, wherein the molybdenum has a valence state greater than zero, or by the treating of the decomposable compound o... | 03/25/1986 |
