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| Number | Title | Issue Date |
| 6811683 | Production of diesel fuel from bitumen A process for producing a diesel fuel stock from bitumen uses steam and a hydroisomerized diesel fraction produced by a gas conversion process, to respectively stimulate the bitumen production and increase the cetane number of a hydrotreated diesel fuel fraction pro... | 11/02/2004 |
| 5844350 | Coated arc tube for sodium vapor lamp High pressure sodium arc vapor discharge lamps employing an alumina arc tube exhibit less voltage rise and better lumen maintenance over the life of the lamp when the arc tube is coated with an oxide of a metal selected from the group consisting essential... | 12/01/1998 |
| 4798995 | Metal halide lamp containing halide composition to control arc tube performance In an arc tube for a high intensity metal halide discharge lamp, a particular composition of metal halide dose is provided to control thorium transport to the electrodes within the arc tube and tungsten transport to the wall to improve arc tube performanc... | 01/17/1989 |
| 4785383 | Lamp unit having glass reflector member with mount structure A molded glass reflector member for a lamp unit employing a tungsten halogen lamp as the light source is disclosed wherein the engagement means for mounting said lamp unit replaceably in a socket member includes a particular configuration of the hollow ca... | 11/15/1988 |
| 4751426 | Fluorescent lamp using multi-layer phosphor coating A fluorescent lamp utilizing a dual layer phosphor coating is disclosed wherein the base layer utilizes a first phosphor mixture and the top phosphor layer in said coating comprises a blend of narrow bandwith emitting phosphors to improve the color render... | 06/14/1988 |
| 4744464 | Ribbon blown glass article transport A transport tray for ribbon formed glass articles such as lamp glass envelopes and glass containers is disclosed which permits increased packing density to be achieved when the article containing trays are vertically stacked for shipment. The tray member ... | 05/17/1988 |
| 4740666 | Electrical discharge machining electrode An improved electrical discharge machining electrode permitting improved cutting action to be achieved at the same level of electrical power being applied to the wire electrode. Such improvement is attributable to a particular configuration and the materi... | 04/26/1988 |
| 4739436 | Surge suppression circuit A voltage surge suppression circuit employs two series connected metal oxide varistors and a power interrupter to provide suppression of all modes of voltage surge while providing protection against failure of either metal oxide varistor. An indicator is ... | 04/19/1988 |
| 4737685 | Seal glass composition An aluminosilicate glass composition is disclosed which is particularly useful for direct fusion sealing to both molybdenum and tungsten metals. The present glass composition provides an improved high temperature lamp envelope by reason of its reduced see... | 04/12/1988 |
| 4717022 | Octagonal-shaped shipping container A boxboard carton for fragile articles such as a glass electric lamp is shaped so that when the object is within the carton the carton will have an octagonal shape and include intermediate supporting panels to engage one end of the lamp and an end closure... | 01/05/1988 |
| 4717857 | Fluorescent lamp producing white color illumination with multiple phosphor combination A fluorescent lamp utilizing a four component phosphor combination is provided producing efficient white color illumination at a lower cost than conventional phosphor coatings of the same type. A lamp color temperature of approximately 3500° K. is produc... | 01/05/1988 |
| 4717804 | EDM wire electrode An improved electrical discharge machining electrode permitting increased cutting speed of the metal workpiece being machined and which improves the operation of the electrical discharge machining equipment in other respects. The improvement is atrributab... | 01/05/1988 |
| 4695768 | Bimetal switch for electrode heat cutout within an electrically insulating support A fluorescent lamp electrode heat cutout switch is provided for placement within a fluorescent lamp stem and outside the discharge envelope and is configured such that a resistive heater wire is connected to one electrode lead-in and a bimetallic switch e... | 09/22/1987 |
| 4683953 | Shear thickening compositions containing polyacrylic acid and polyacrylamide, their preparation and use The dispersed aqueous phase of a shear thickening composition, useful as a well control fluid which comprises a water-in-oil emulsion having hydratable, water-expandable hydrophillic clay, dispersed in the continuous, surfactant-containing oily phase ther... | 08/04/1987 |
| 4670476 | Manganese-spinel catalysts in CO/H2 olefin synthesis Single phase, unsupported, Group IA or IIA metal salt promoted manganese-containing iron spinel catalysts, having Fe:Mn atomic ratios of 2:1 or above, have been found to be highly active for the selective conversion of CO/H2 to alpha olefins.... | 06/02/1987 |
| 4668825 | Production of methanethiol from H2 S and CO Methanethiol is produced from a gaseous feed comprising a mixture of H2 S and CO by contacting said feed with a catalyst comprising rutile titania at a temperature of at least about 225° C.... | 05/26/1987 |
| 4668376 | Supported, Mn sulfide promoted Mo and W sulfide hydroprocessing catalysts and uses thereof This invention relates to the preparation and use of supported, manganese sulfide promoted molybdenum and tungsten sulfide catalysts useful for hydroprocessing processes, particularly hydrotreating. These catalysts are prepared by heating a composite of s... | 05/26/1987 |
| 4666878 | Amorphous, iron promoted Mo and W sulfide hydroprocessing catalysts and uses thereof Hydrocarbon feeds are upgraded by contacting a feed, at elevated temperature and in the presence of hydrogen, with a catalyst comprising an amorphous sulfide of iron and a metal selected from the group consisting of Mo, W and mixture thereof. The catalyst... | 05/19/1987 |
| 4666584 | Method for passivating cracking catalyst A method and apparatus for passivating the adverse catalytic effects of metal contaminated hydrocarbon feedstocks is described. The method is directed at the use of control means to regulate the residence time of the catalyst in the passivation zone and t... | 05/19/1987 |
| 4663023 | Hydrotreating with self-promoted molybdenum and tungsten sulfide catalyst Hydrocarbon feeds are upgraded by contacting same, at elevated temperature and in the presence of hydrogen, with a self-promoted catalyst prepared by heating one or more water soluble catalyst precursors in a non-oxidizing atmosphere in the presence of su... | 05/05/1987 |
| 4650563 | Transition metal sulfide promoted molybdenum or tungsten sulfide catalysts and their uses for hydroprocessing Hydrocarbon feeds are upgraded by contacting a feed, at elevated temperature and in the presence of hydrogen, with a self-promoted catalyst prepared by heating one or more catalyst precursors under oxygen-free conditions in the presence of sulfur at a tem... | 03/17/1987 |
| 4632747 | Hydrotreating process employing catalysts comprising a supported, mixed metal sulfide iron promoted Mo and W This invention relates to the preparation and use of catalysts useful for hydroprocessing processes, such as hydrotreating, wherein said catalysts are formed by heating, at elevated temperature, in the presence of sulfur and under oxygen-free conditions, ... | 12/30/1986 |
| 4626339 | Supported chromium-molybdenum and tungsten sulfide catalysts Supported hydroprocessing catalysts comprising a sulfide of trivalent chromium and molybdenum or tungsten which optionally may contain one or more promotor metals such as Co, Fe, Ni and mixture thereof. These catalysts are obtained by comprising a presele... | 12/02/1986 |
| 4624967 | Fe-Co catalyst slurry system for use in alpha olefin production The use of relatively stable iron carbonyl complexes e.g. Bis(dicarbonylcylopentadienyl iron), and lower melting cobalt carbonyl complexes, facilitates production of mixed metal catalysts for conversion of CO/H2 to alpha olefins. The decomposit... | 11/25/1986 |
| 4622128 | Hydrotreating catalysts comprising supported mixtures of a sulfide of trivalent chromium and molybdenum or tungsten Supported hydroprocessing catalysts comprising a sulfide of trivalent chromium and Mo, W or mixture thereof are obtained by compositing a preselected quantity of support material with a precursor comprising a mixture of (i) a hydrated oxide of trivalent c... | 11/11/1986 |
| 4621102 | Fischer-Tropsch hydrocarbon synthesis with high surface area Cu and K promoted reduced-carbided iron/manganese spinels Slurried, high surface area, Cu and Group IA or IIA dual metal promoted Mn-Fe spinels which are fully reduced and carburized provide exceptionally high catalytic activity and selectivity in the conversion of CO/H2 to alpha-olefins, particularly... | 11/04/1986 |
| 4608359 | Iron carbide on titania surface modified with group VA oxides as Fischer-Tropsch catalysts Catalysts comprising iron carbide on a surface modified titania support wherein said support comprises a surface modifying oxide of tantalum, niobium, vanadium and mixtures thereof supported on said titania wherein at least a portion of said surface modif... | 08/26/1986 |
| 4607020 | Copper promoted iron/cobalt spinels and their preparation Slurried, high surface area, Cu promoted Fe-Co spinels which are fully reduced/carburized provide exceptionally high activity and selectivity in the conversion of CO/H2 to alpha-olefins, particularly when carbided in-situ in the reactor. These ... | 08/19/1986 |
| 4595672 | Method of making self-promoted hydrotreating catalysts Self-promoted molybdenum and tungsten sulfide hydrotreating catalysts are prepared by heating one or more water soluble catalyst precursors in a non-oxidizing atmosphere in the presence of sulfur at a temperature of at least about 200° C. The precursors ... | 06/17/1986 |
| 4594331 | Improving activity of iron carbide and ilmenite on titania Fischer-Tropsch catalyst Substantially C2 + alkane hydrocarbons are produced from mixtures of CO and H2 by contacting same, at elevated temperature, with a catalyst comprising a mixture of iron carbide and ilmenite supported on titania wherein the ratio of t... | 06/10/1986 |
| 4591429 | Hydrotreating process employing catalysts comprising a supported mixture of a sulfide of a promoter metal, trivalent chromium and molybdenum or tungsten Supported, hydroprocessing catalysts comprising a sulfide of (i) trivalent chromium, (ii) Mo, W or mixture thereof and (iii) at least one metal selected from the group consisting of Ni, Co, Mn, Cu, Zn and mixture thereof and mixture thereof with Fe. These... | 05/27/1986 |
| 4590288 | Bi- or polymetallic coordination complex A polydentate binucleating ligand having at least four donor sites selected from N, O and S, complexed with two atoms of the same metal, forms a coordination complex useful in homogeneous catalysis. Most preferably, all the metal cations are Cu cations an... | 05/20/1986 |
| 4588829 | (Disulfido)tris(N,N-substituted dithiocarbamato)Mo(V) complexes This invention relates to (disulfido)tris(N,N-substituted dithiocarbamato)Mo(V) complexes. More particularly, this invention relates to compounds of the formula MoS2 (S2 CNR2)3 which are mononuclear, eight-coord... | 05/13/1986 |
| 4585882 | Sulfido(disulfido)bis(N,N-substituted dithiocarbamato)W(VI) complexes This invention relates to sulfido(disulfido)bis(N,N-substituted dithiocarbamato)W(VI) complexes, their preparation and use. More particularly, this invention relates to compounds of the formula WS(S2) (S2 CNR2)2... | 04/29/1986 |
| 4584323 | Fischer-Tropsch hydrocarbon synthesis with copper promoted iron/cobalt spinel catalyst Slurried, high surface area, copper promoted Fe-Co spinels which are fully reduced/carburized provide exceptionally high activity and selectivity in the conversion of CO/H2 to alpha-olefins. These copper promoted iron-cobalt catalysts maintain ... | 04/22/1986 |
| 4581125 | Hydrotreating using self-promoted molybdenum and tungsten sulfide catalysts formed from bis(tetrathiometallate) precursors Hydrocarbon feeds are upgraded by contacting same, at elevated temperature and in the presence of hydrogen, with a self-promoted catalyst formed by heating one or more carbon-containing, bis(tetrathiometallate) catalyst precursor salts selected from the g... | 04/08/1986 |
| 4570020 | Production of methanethiol from H2 S and CO Methanethiol is produced from a gaseous feed comprising a mixture of H2 S and CO by contacting said feed, at a temperature of at least about 225° C., with a catalyst comprising an oxide of a metal selected from the group consisting of V, Nb, a... | 02/11/1986 |
| 4565831 | Process for producing aromatic hydrocarbons from carbon monoxide and water A process is described using novel thallium-promoted iron catalysts in CO hydrogenation with steam. Mixtures of CO and steam are converted to liquid C6 -C13 hydrocarbons containing substantial amounts of C6 -C13... | 01/21/1986 |
| 4559365 | Iron carbide on titania surface modified with group VA oxides as Fisher-Tropsch catalysts Catalysts comprising iron carbide on a surface modified titania support wherein said support comprises a surface modifying oxide of tantalum, niobium, vanadium and mixtures thereof supported on said titania wherein at least a portion of said surface modif... | 12/17/1985 |
| 4548953 | Production of alkanes from mixtures of CO and H2 Substantially C2 + alkane hydrocarbons are produced from mixtures of CO and H2 by contacting same, at elevated temperature, with a catalyst comprising a mixture of iron carbide and ilmenite supported on titania wherein the ratio of t... | 10/22/1985 |
