Quotables
"The idea that cavalry will be replaced by these iron coaches is absurd. It is little short of treasonous."
Aide-de-camp to Field Marshal Haig ; At a tank demonstration, 1916
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7288182 | Hydroprocessing using bulk Group VIII/Group VIB catalysts A process for hydroprocessing petroleum and chemical feedstocks by use of a bulk multimetallic catalyst comprised of at least one Group VIII non-noble metal and at least one, preferably two Group VIB metal wherein the ratio of Group VIB metal to Group VIII metal is ... | 10/30/2007 |
| 7288181 | Producing low sulfur naphtha products through improved olefin isomerization The instant invention relates to a process to produce high octane, low sulfur naphtha products through the removal of basic nitrogen-containing compounds with subsequent skeletal isomerization of feed olefins and hydrotreating. ... | 10/30/2007 |
| 7282137 | Process for preparing basestocks having high VI A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreating step is under conditions such that the amount of conversion to 343° C. minus is less than 5 wt. % of the feedstock an... | 10/16/2007 |
| 7238273 | Process for upgrading heavy oil using a highly active slurry catalyst composition The instant invention is directed to a process for upgrading heavy oils using a slurry composition. The slurry composition is prepared by a series of steps, involving mixing a Group VIB metal oxide and aqueous ammonia to form an aqueous mixture, and sulfiding the mi... | 07/03/2007 |
| 7220350 | Wax isomerate yield enhancement by oxygenate pretreatment of catalyst A waxy hydrocarbon feed is catalytically treated with a dewaxing catalyst that has been selectively activated. The selective activation of the catalyst involves treating the catalyst with at least one oxygenate. The selectively activated catalyst can then be used to... | 05/22/2007 |
| 7125818 | Catalyst for wax isomerate yield enhancement by oxygenate pretreatment A dewaxing catalyst is selectively activated by treatment with an oxygenate. Selective activation is accomplished by treated the dewaxing catalyst with a carrier feed containing oxygenate. The selectively activated dewaxing catalyst when used to dewax waxy hydrocarb... | 10/24/2006 |
| 7087152 | Wax isomerate yield enhancement by oxygenate pretreatment of feed A waxy hydrocarbon feed is catalytically dewaxed with a catalyst that has been selectively activated. The selective activation of the catalyst involves contacting the dewaxing catalyst with a feed mixture containing waxy hydrocarbon and at least one oxygenate. The p... | 08/08/2006 |
| 7077947 | Process for preparing basestocks having high VI using oxygenated dewaxing catalyst A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreated feedstock is hydrodewaxed using a dewaxing catalyst that has been selectively activated by oxygenate treatment. The hyd... | 07/18/2006 |
| 7056857 | Fischer-tropsch catalysts using multiple precursors A method for making a catalyst is provided that features loading a catalytic metal to a support using at least two different precursor compounds of that said metal; and loading the promoter to the support in an amount effective so as to achieve similar promotion as ... | 06/06/2006 |
| 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 |
| 6951605 | Method for making lube basestocks A method to produce high quality lube oil products involving hydrotreating a waxy feed to produce a hydrotreated feed and subsequently hydrodewaxing the hydrotreated feed and hydrofinishing the hydrodewaxed feed. ... | 10/04/2005 |
| 6863803 | Production of low sulfur/low nitrogen hydrocrackates A two stage hydrodesulfurizing process for producing low sulfur distillates. A distillate boiling range feedstock containing in excess of about 3,000 wppm sulfur is hydrodesulfurized in a first hydrodesulfurizing stage containing one or more reaction zones in the pr... | 03/08/2005 |
| 6783663 | Hydrotreating using bulk multimetallic catalysts A hydroprocessing process, comprising: contacting a feedstock, at hydrotreating conditions, with a bulk multimetallic catalyst comprised of at least one Group VIII non-noble metal and at least two Group VIB metals and wherein the ratio of Group VIB metal to G... | 08/31/2004 |
| 6758963 | Hydroprocessing using bulk group VIII/group vib catalysts A process for preparing a lubricating oil basestock containing at least about 90% saturates. The process employs a bulk catalyst comprising at least one non-noble Group VIII metal and two Group VIB metals and wherein said metal catalyst further comprises a non-noble... | 07/06/2004 |
| 6712955 | Slurry hydroprocessing using bulk multimetallic catalysts A slurry hydroprocessing process for upgrading a hydrocarbon feedstock containing nitrogen and sulfur using bulk multimetallic catalyst comprised of at least one Group VIII non-noble metal and at least two Group VIB metals wherein the ratio of Group VIB metal to Gro... | 03/30/2004 |
| 6692635 | Process for the production of gasolines with low sulfur contents Process for the production of gasoline with a low sulfur content that comprises at least the following two stages: a) a hydrogenation stage of the unsaturated sulfur containing compounds, b) a decomposition stage of saturated sulfur containing compounds, an... | 02/17/2004 |
| 6315890 | Naphtha cracking and hydroprocessing process for low emissions, high octane fuels The invention is related to a two step process wherein the first step comprises cracking an olefinic naphtha resulting in a cracked product having a diminished total concentration of olefinic species. The second step comprises hydroprocessing at least a p... | 11/13/2001 |
| 6290841 | Hydrotreating process using sulfur activated non-calcined catalyst A hydrotreating process using a catalyst prepared by a process wherein the volatile content of a metal-impregnated support is reduced in the presence of a sulfur containing compound without reaching calcining temperatures.... | 09/18/2001 |
| 6231754 | High temperature naphtha desulfurization using a low metal and partially deactivated catalyst A high temperature naphtha desulfurization process with reduced olefin saturation employs a partially spent and low metals content hydrodesulfurization catalyst having from 2-40% the activity of a new catalyst. The catalytic metals preferably include Co a... | 05/15/2001 |
| 6071402 | Hydrodefining and hydrocracking catalyst comprising a mixed sulphide comprising sulphur, at least one group VB element and at least one group VIB element The present invention concerns a hydrorefining and/or hydrocracking catalyst for hydrocarbon feeds, comprising at least one mixed sulphide comprising sulphur, at least one group VB element, preferably niobium, and at least one group VIB element, preferabl... | 06/06/2000 |
| 6059956 | Off-site pretreatment of a hydrocarbon treatment catalyst A process comprising incorporation of a sulphuration agent into a hydrocarbon treatment catalyst to a greater or lesser extent into the pores of the catalyst, the agent being selected from, for example, elemental sulphur and organic polysulphides, incorpo... | 05/09/2000 |
| 5958220 | Gas-pocket distributor and method for hydroprocessing a hydrocarbon feed stream A distributor assembly for hydroprocessing a hydrocarbon mixture of hydrogen-containing gas and liquid hydrocarbon is presented. The distributor assembly has a circular plate with a plurality of hollow risers bound thereto for distributing hydrogen-contai... | 09/28/1999 |
| 5897768 | Desulfurization process for removal of refractory organosulfur heterocycles from petroleum streams Hydrocarbon feeds are upgraded by contact of the stream under hydrodesulfurization (HDS) conditions with a catalyst system comprising a sulfided, transition metal promoted tungsten/molybdenum HDS catalyst, e.g., Ni/Co--Mo/Al2 O3 and ... | 04/27/1999 |
| 5872073 | Reduced ternary molybdenum and tungsten sulfides and hydroprocessing catalysis therewith New amorphous molybdenum/tungsten sulfides with the general formula Mn+2x/n (L6 S8)Sx, where L is molybdenum or tungsten and M is a ternary metal, has been developed. Characterization of these amorpho... | 02/16/1999 |
| 5846406 | Selective hydrodesulfurization of cracked naphtha using novel manganese oxide octahedral molecular sieve supported catalysts Selective hydrodesulfurization of cracked naphtha, with minimum attendant hydrogenation of olefins, is effected over a novel catalyst composition comprising a sulfided, "manganese oxide octahedral molecular sieve" supported catalyst bearing (i) at least o... | 12/08/1998 |
| 5626742 | Continuous in-situ process for upgrading heavy oil using aqueous base The present invention relates to a continuous in-situ process for the removal of organically bound sulfur existing as mercaptans, sulfides and thiophenes comprising the steps of (a) contacting a heavy oil with aqueous sodium hydroxide at a temperature of ... | 05/06/1997 |
| 5474670 | Stacked bed catalyst system for deep hydrodesulfurization The present invention relates to a method of removing sulfur from a hydrotreating process stream comprising contacting a sulfur containing feedstock with a stacked bed catalyst system comprising a first catalyst bed comprising hydrodesulfurization catalys... | 12/12/1995 |
| 5468372 | Process of hydrotreating and/or hydrocracking hydrocarbon streams or tail gas treating sulfur-containing gas streams The invention relates to an improved method of presulfurizing a sulfidable metal oxide(s)-containing catalyst which minimizes sulfur stripping upon start-up of a reactor and improves catalyst activity. The method consists of contacting a sulfidable metal ... | 11/21/1995 |
| 5449452 | Hydrodearomatization of hydrocarbons A naphtha or a middle distillate hydrocarbon is hydrodearomatized by hydrotreating in the presence of a catalyst containing boron, non-noble Group VIII metal, and Group VIB metal on a carbon support.... | 09/12/1995 |
| 5423976 | Hydrotreating of cracked naphtha Hydrodesulfurization of cracked naphtha, with minimum attendant hydrogenation of olefins, is effected over a sulfided carbon support catalyst bearing (i) a non-noble Group VIII metal, (ii) a Group VI-B metal, and (iii) a metal of Group IA, II A, III B, or... | 06/13/1995 |
| 5294333 | Hydrorefining process employing a niobium trisulfide-containing catalyst Catalyst for hydrorefining hydrocarbon feedstocks including niobium trisulphide, said catalyst is particularly suited for the scission of carbon-nitrogen and carbon-sulphur bonds.... | 03/15/1994 |
| 5252199 | Hydrotreating process using novel multimetallic sulfide catalysts The present invention relates to a process for removing hetero-atoms from a hydrocarbonaceous feedstock using novel catalysts comprised of highly dispersed molybdenum sulfide promoted with a noble metal such that the noble metal is in an oxidation state g... | 10/12/1993 |
| 5248648 | Hydrorefining catalyst containing sulphides of ruthenium and of at least one other metal on a refractory This invention relates to a hydrorefining catalyst containing ruthenium sulphide and cobalt and/or nickel sulphide on a refractory oxides support. These catalysts are only very slightly inhibited by polyaromatic compounds or hydrogen sulphide.... | 09/28/1993 |
| 5186818 | Catalytic processes The hydrotreating of petroleum feedstock is improved by using a layered transition metal catalyst, a mixture of such catalysts or a stocked bed of transition metal catalysts that has a selected ratio of edge to rim sites sufficient to provide a product ha... | 02/16/1993 |
| 5164075 | High activity slurry catalyst High activity slurry catalysts for hydroprocessing heavy hydrocarbon oils are produced from Group VIB metal compounds by sulfiding an aqueous mixture of the metal compound with from greater than about 8 to about 14 SCF of hydrogen sulfide per pound of Gro... | 11/17/1992 |
| 5162282 | Heavy oil hydroprocessing with group VI metal slurry catalyst A process for the preparation of a dispersed Group VI-B metal sulfide hydrocarbon oil hydroprocessing catalyst comprising reacting aqueous ammonia and a Group VI-B metal compound, such as molybdenum oxide or tungsten oxide, to form water soluble compounds... | 11/10/1992 |
| 5157009 | Catalyst for hydrorefining hydrocarbon feedstocks containing niobium trisulphide Catalyst for hydrorefining hydrocarbon feedstocks consisting of niobium trisulphide, bulk or deposited on an inert support. This catalyst is particularly efficient for the reactions of scission of carbon-nitrogen and carbon-sulphur bonds.... | 10/20/1992 |
| 5139990 | Process for the preparation of a resulfided catalyst Ex situ presulfidation of hydrotreating catalysts comprising impregnating the catalysts with an aqueous solution of an organic sulfur compound, e.g. the diammonium salt of 2,5-dimercapto-1,3,4-thiadiazole and 2,2'-dithiodiethanol, followed by drying of th... | 08/18/1992 |
| 5122258 | Increasing VI of lube oil by hydrotreating using bulk Ni/Mn/Mo or Ni/Cr/Mo sulfide catalysts prepared from ligated metal complexes Lube oils of increased VI are prepared by hydrotreating using bulk Ni/Mn/No or Cr/Ni/Mo sulfide catalysts prepared from ligated, e.g., ethylene diamine, metal complexes. In particular the Ni/Mn/Mo sulfide catalyst is prepared from the oxide, precursor wit... | 06/16/1992 |
| 5026473 | Transition metal tris-dithiolene and related complexes as precursors to active catalysts The present invention is based on the discovery that certain transition metal containing complexes thermally decompose to form solids containing the transition metal, sulfur and carbon and that these transition metal, sulfur and carbon containing solids a... | 06/25/1991 |
