Patents for C10G 49 - Treatment of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, not provided for in a single one of groups , , , , or (4,012)
05/1992
05/13/1992CA2055280A1 Process for antipollution treatment of a spent refining catalyst and total recovery of different metal constituents of said catalyst
05/12/1992US5112473 Hydrotreating or cracking process employing an acidified dealuminated Y-zeolite
04/1992
04/30/1992WO1992006921A1 Synthetic porous crystalline material, its synthesis and use
04/29/1992EP0482818A1 Method of preparing catalyst for hydrogenation of hydrocarbon oil
04/29/1992EP0482817A1 Method for preparing a catalyst for hydrogenation of hydrocarbon oil
04/28/1992US5108968 Process for treating a material wherein the material is suspended in a gaseous atmosphere
04/21/1992CA1299161C Hydrocarbon conversion with a trimetallic catalyst
04/08/1992EP0183725B1 Substituted aluminosilicate compositions and process for preparing same
04/07/1992US5102531 Process for treating a temperature sensitive hydrocarbonaceous stream containing a non-distillable component to product a distillable hydrocarbonaceous product
04/01/1992EP0478365A1 Presulphurized catalyst for hydrogen treatment and method for production thereof
03/1992
03/24/1992US5098552 Controlling foam circulation in an ebullated bed process
03/18/1992EP0474664A1 Multi-step hydrodesulphurisation process.
03/10/1992US5094991 Slurry catalyst for hydroprocessing heavy and refractory oils
03/10/1992CA1297063C Process for the hydrogenation treatment of mineral oils contaminated with chlorobiphenyls and the like
03/04/1992EP0472853A1 Desactivated hydrogenation catalyst reactivation process
03/04/1992CN1059164A Method and apparatus for on-stream particle replacement system for counter current contact of gas and liquid feed stream with packed bed
03/03/1992CA1296699C Method for the regeneration of spent alumina-based catalysts
02/1992
02/26/1992EP0472335A1 Compact radial flow distributor
02/26/1992CN1015639B Process for increasing octane and reducing sulfur content of olefinic gasolines
02/25/1992CA1296283C Process for hydrotreatment of liquid phase heavy hydrocarbons, with the presence of a dispersed catalyst
02/18/1992US5089226 Method for protecting austenitic stainless steel-made equipment from occurrence of stress-corrosion cracking
02/11/1992US5087596 Partially decoking, incorporating Group 6B metal, decoking
02/05/1992EP0179876B1 Titanium-aluminum-silicon-oxide molecular sieve compositions
02/04/1992CA1295275C Process for increasing octane and reducing sulfur content of olefinic gasolines
01/1992
01/29/1992CN1058195A Zeolites
01/28/1992CA1294914C Vapor collector and process for ebullated bed reactors
01/21/1992US5082551 High and low pressure and temperature
01/15/1992EP0466568A1 Method for pretreating a catalyst by a mixture of a sulphurised agent and an organic reducing agent
01/14/1992US5081039 Process for making catalyst inventory measurements and control procedure for adding or withdrawing catalyst
01/14/1992US5080777 Refining of heavy slurry oil fractions
01/08/1992EP0464547A1 Production of high viscosity index lubricants
01/06/1992WO1992000807A1 A high activity slurry catalyst process
01/06/1992CA2066453A1 High activity slurry catalyst process
12/1991
12/31/1991US5076908 Method and apparatus for an on-stream particle replacement system for countercurrent contact of a gas and liquid feed stream with a packed bed
12/27/1991EP0462753A1 Improved interzone mixing device
12/27/1991EP0462745A2 Zeolites
12/25/1991CA2019713A1 Process for the preparation of a presulfided and sulfided catalyst
12/11/1991EP0460300A1 Process for the preparation of a presulphided catalyst; Process for the preparation of a sulphided catalyst, and use of said catalyst
12/10/1991US5071801 High density leucite based ceramics from zeolite
12/10/1991US5071538 Process for regenerating spent heavy hydrocarbon hydroprocessing catalyst
12/03/1991US5069775 Heavy crude upgrading using remote natural gas
11/1991
11/28/1991WO1991017829A1 Hydrocracking catalyst and process
11/27/1991EP0457982A1 Multizone catalytic reforming process with a plurality of catalysts
11/27/1991CN1056514A Catalyst for hydrotreating heavy fraction of oil
11/13/1991EP0456058A1 Refining of heavy slurry oil fractions
11/12/1991US5064793 And reduced alkali metal content hydrorefining/isomerization catalysts
11/12/1991US5064628 Novel ceric oxides and preparation thereof
10/1991
10/31/1991CA2033667A1 Refining of heavy slurry oil fractions
10/17/1991WO1991015295A1 Process for treating a material wherein the material is suspended in a gaseous atmosphere
10/09/1991CN1055131A Prodn process of hard-magnetic ferrite material by using open hearth dust as raw material
10/01/1991US5053213 Process for synthesizing a molecular sieve having the faujasite structure and containing aluminum and gallium
09/1991
09/25/1991EP0448439A1 Process for fractionation of a gaseous mixture comprising hydrogen, light aliphatic hydrocarbons and light aromatic hydrocarbons
09/18/1991EP0447221A1 A method of presulfiding a hydrotreating hydrocracking or tail gas treating catalyst
09/03/1991US5045518 Presufiding
08/1991
08/28/1991EP0442879A1 Synthesis of a crystalline molecular sieve
08/28/1991CN1013683B Additive used for hydrogenation inversion for heavy hydrocarbon oil
08/20/1991US5041404 Method of presulfiding a hydrotreating, hydrocracking or tail gas treating catalyst
08/13/1991CA1287591C Hydroconversion process
08/13/1991CA1287590C Hydroconversion process
08/06/1991US5037791 Having increased pore volume and particle crush strength
08/06/1991US5037785 Catalyst regeneration process using laser radiation
08/06/1991CA1287316C Feed distributor and process for resid hydrotreating
07/1991
07/30/1991US5035792 Cleanup of hydrocarbon-conversion system
07/16/1991CA1286324C Preparation of medicinal white oils and medicinal paraffins
07/10/1991EP0436361A1 Method for improving the activity maintenance of plasma initiator
07/03/1991EP0435736A1 Method for producing raw materials for a reformer by cracking and desulfurizing petroleum fuels
07/03/1991EP0435590A1 Upgrading of low value hydrocarbons
07/02/1991US5028313 Process for treating a temperature-sensitive hydrocarbonaceous stream containing a non-distillable component to produce a distillable hydrocarbonaceous product
06/1991
06/28/1991CA2031958A1 Upgrading of low value hydrocarbons using a hydrogen donor and microwave radiation
06/28/1991CA2031927A1 Method for improving the activity maintenance of a plasma initiator
06/26/1991EP0433302A1 Noble metal containing catalysts and a method of producing the same.
06/25/1991US5026950 Desulfurization, deoxygenation
06/25/1991US5025831 Compact radial flow distributor
06/18/1991US5024751 Catalytic composition comprising a metal sulfide suspended in a liquid containing asphaltenes and hydrovisbreaking process of a hydrocarbon charge
06/05/1991EP0430466A1 Process for making catalyst inventory measurements and control procedure for adding or withdrawing catalyst
06/05/1991EP0429689A1 Printed circuit board
06/04/1991US5021147 Solid addition and withdrawal
05/1991
05/30/1991WO1991007227A1 Catalyst regeneration process
05/29/1991EP0429132A1 Hydrocarbon conversion process using a catalyst produced by electric discharge
05/29/1991EP0428796A1 Liquid degaser in an ebullated bed process
05/28/1991US5019543 High silica crystalline zeolites and process for their preparation
05/24/1991CA2030402A1 Hydroconversion process
05/21/1991US5017535 Process for the preparation of a presulfided and sulfided catalyst
05/14/1991US5015360 Catalytic hydrocracking with chromium, tungsten, iron cobalt and nickel on silicates or silica
05/07/1991US5013427 Resid hydrotreating with resins
04/1991
04/30/1991CA1283648C Zeolite ssz-25
04/17/1991EP0396740A4 Slurry catalysts for hydroprocessing heavy and refractory oils
04/16/1991US5008001 Process for hydrogenation of heavy oil
04/09/1991US5006224 Start-up of a hydrorefining process
04/03/1991EP0420651A1 Slurry hydroprocessing staged process
03/1991
03/29/1991CA2025466A1 Slurry hydroprocessing staged process
03/27/1991EP0419307A1 Zeolite of the mazzite family, method for its synthesis and its use as a catalyst
03/20/1991CN1050037A Middle distillate producing hydrocracking catalyst
03/19/1991CA1281703C Poly-metal-containing catalyst
03/19/1991CA1281700C Zeolite ssz-23
03/13/1991EP0416062A1 Process for the conversion of c 2?-c 12? paraffinic hydrocarbons to petrochemical feedstocks
03/05/1991US4997799 Process for regenerating spent heavy hydrocarbon hydroprocessing catalyst
02/1991
02/26/1991US4995961 Process and apparatus for hydrogenating hydrocarbons
02/20/1991CN1011689B Crystalline gallophosphate compositions
02/19/1991US4994423 Process for regenerating spent heavy hydrocarbon hydroprocessing catalyst
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