Abstract: The invention includes a process of making a lubricating composition including: contacting a heavy mineral oil feed in a hydrocracking zone with a hydrocracking catalyst at hydrocracking conditions, whereby at least a portion of the heavy mineral oil feed is cracked; recovering at least one gasoline-range fraction and one bottoms fraction from the hydrocracking zone; passing a first portion of the bottoms fraction including not more than about 67 wt. % of the bottoms fraction to a dewaxing zone; and passing a second portion of the bottoms fraction including at least about 33 wt. % of the bottoms fraction back to the fuels hydrocracker for additional processing; and where the bottoms fraction has a viscosity at 100° C. of less than about 4.

Abstract: The present invention provides for a lubricating composition including: a hydrocracker-derived, highly naphthenic, low viscosity index mineral oil; from about 2 wt. % to about 14 wt. % of at least one polymethacrylate polymer; and from about 2 wt. % to about 14 wt. % of a performance additive package. The hydrocracker-derived, highly naphthenic, low viscosity index mineral oil is prepared by: (1) passing a first bottoms portion including not more than about 67 wt. % of a fuels hydrocracker bottoms recycle stream to a dewaxing zone; and (2) passing a second bottoms portion including at least about 33 wt. % of the recycle stream back to the fuels hydrocracker for additional processing; and where the recycle stream has a viscosity at 100.degree. C. of less than about 4.

Abstract: 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 Group VIB metal.

Abstract: An illuminated rocker switch having a transparent actuator in the form of a light pipe pivoted on the switch housing. The light pipe has a set of generally parallel spaced arms each transmitting light to a separate projection surface on each arm from the common edge of an aperture illuminated by a lamp. A separate arm receives light from a separate lamp at a second light receiving surface and transmits light to a projection surface on the end of the separate arm. An opaque actuator cover is attached to the light pipe and has transparent regions adjacent each projection surface for illumination. The cover has an opaque shroud tube received on the separate arm and shields it from illumination other than from its own lamp. The light pipe carries a shorting bar which, upon user movement of the actuator switches between stationary contacts on the housing.

Abstract: An adaptor for permitting a switching or other device having round pin type terminals extending therefrom to be connected to a connector of the type for connection to a flat-blade type terminal pin. An upper and lower shell joined at a parting line capture a plurality of flat-blade terminal strips. Each of the strips has the end thereof extending outwardly into a shroud formed by the shells for external connection thereto. The shells have voids which expose circular flanged perforations with spring tabs which are adapted to receive round pin connectors in frictional engagement.

Abstract: The hydroprocessing of heavy oils is improved by the use of a high activity slurry catalyst prepared by sulfiding an aqueous Group VIB metal compound with a gas containing hydrogen sulfide to a dosage greater than 8 SCF of hydrogen sulfide per pound of Group VIB metal. After introducing the slurry catalyst into the heavy oil, and subjecting the mixture to elevated temperatures and partial pressures of hydrogen, the mixture is treated in a fixed or ebullated bed of hydrodesulfurization/hydrodemetalation catalyst under hydroprocessing conditions.

Abstract: 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 Group VIB metal.

Abstract: 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 such as aqueous ammonium molybdates or tungstates. The aqueous ammonium molybdates or tungstates are sulfided at a relatively low temperature with hydrogen sulfide without feed oil, and wherein the mole ratio of the sulfiding agent to metal salts is greater than 2, to produce molybdenum or tungsten sulfide catalysts of high hydroprocessing activity. The catalyst slurry and feed oil can then be passed to a hydroprocessing reactor or can be further sulfided in additional steps of increasing temperature.

Abstract: Group VIB metal sulfide slurry catalysts having a pore volume in the pore size range 10 to 300.ANG. radius of at least 0.1 cc/g. Also, Group VIB metal sulfide catalysts having a surface area of at least 20 m.sup.2 /g. Suitable Group VIB metals are molybdenum and tungsten, preferably molybdenum. The Group VIB metal sulfide can be approximately a Group VIB metal disulfide. The slurry catalyst can be promoted with a Group VIII metal, such as nickel or cobalt.

Abstract: A process for the preparation of a dispersed Group VIB metal sulfide hydrocarbon oil hydroprocessing catalyst comprising reacting aqueous ammonia and a Group VIB metal compound, such as molybdenum oxide or tungsten oxide, to form water soluble compounds such as aqueous ammonium molybdates or tungstates. The aqueous ammonium molybdates or tungstates are sulfided at a relatively low temperature with hydrogen sulfide without feed oil. The slurry stream is then passed through a separator and ammonia is flashed and separated from the system, leaving a separator residue slurry. The separator residue slurry is then mixed with feed oil, hydrogen and hydrogen sulfide and sulfided at a relatively high temperature to produce a dispersed molybdenum sulfide or tungsten sulfide catalyst of high hydroprocessing activity. The catalyst slurry and feed oil can then be passed to a hydroprocessing reactor.

Abstract: A process for the preparation of a dispersed Group VIB metal sulfide hydrocarbon oil hydroprocessing catalyst comprising reacting aqueous ammonia and a Group VIB metal compound, such as molybdenum oxide or tungsten oxide, to form water soluble compounds such as aqueous ammonium molybdates or tungstates. The aqueous ammonium molybdates or tungstates are sulfided at a relatively low temperature with hydrogen sulfide without feed oil. The slurry stream is then passed through a separator and ammonia is flashed and separated from the system, leaving a separator residue slurry. The separator residue slurry is then mixed with feed oil, hydrogen and hydrogen sulfide and sulfided at a relatively high temperature to produce a dispersed molybdenum sulfide or tungsten sulfide catalyst of high hydroprocessing activity. The catalyst slurry and feed oil can then be passed to a hydroprocessing reactor.

Abstract: A process for the preparation of a dispersed Group VIB metal sulfide catalyst which is promoted with a Group VIII metal for use in hydrocarbon oil hydroprocessing comprising dissolving a Group VIB metal compound, such as molybdenum oxide or tungsten oxide, with ammonia to form a water soluble compound such as aqueous ammonium molybdate or ammonium tungstate. The aqueous ammonium molybdate or ammonium tungstate is sulfided in a plurality of sulfiding steps at increasing temperatures. A compound containing a Group VIII metal is added to any sulfiding step in preference to the Group VIB metal dissolving step. The catalyst slurry and feed oil can then be passed to a hydroprocessing reactor.

Abstract: A process for the recovery of a spent molybdenum catalyst from a hydroprocess for the upgrading of a nickel and vanadium containing hydrocarbonaceous mineral oil. The nickel and vanadium contaminated molybdenum catalyst is oxidized to convert the metals to oxides. Aqueous ammonia is added to preferentially dissolve molybdenum from nickel and vanadium. An amount of ammonia is used in excess of the amount required to produce an active catalyst for recycle and the excess ammonia is removed prior to recycle of the catalyst. The selectively of the separation of molybdenum from nickel and vanadium is improved by adding a reducing agent before or during the ammonia dissolving step. Hydrazine is a suitable reducing agent. The recovered molybdenum is sulfided and recycled.

Abstract: A process for the preparation of a dispersed Group VIB metal sulfide hydrocarbon oil hydroprocessing catalyst comprising reacting aqueous ammonia and a Group VIB metal compound, such as molybdenum oxide or tungsten oxide, to form a water soluble oxygen-containing compound such as aqueous ammonium molybdate or tungstate. The aqueous ammonium molybdate or tungstate is sulfided in at least three sulfiding steps of increasing temperature including a low temperature sulfiding step, an intermediate temperature sulfiding step and a high temperature sulfiding step. Some of the oxygen associated with said Group VIB metal is replaced by sulfur in each of the sulfiding steps. It has been found the maximum total level of replacement of oxygen by sulfur achieved in the intermediate temperature step is particularly critical to catalyst activity.

Abstract: Heavy or refractory oils are hydroprocessed in the presence of added water and added hydrogen sulfide with or without a slurry catalyst comprising molybdenum sulfide. The water and hydrogen sulfide may originate from the catalyst preparation procedure.

Abstract: Highly aromatic hydrocarbon feedstocks are converted to jet fuel or diesel fuel using a sulfided, halogen promoted Group VIB - Group VIII metal on an alumina-containing support. The preferred catalyst is a presulfided, fluorine-promoted nickel-tungsten on silica-alumina catalyst wherein the nickel is present in amounts of between 18 and 22 weight percent based on the total catalyst weight.

Abstract: A carbonaceous coke is manufactured by the delayed coking of a slurry mixture of from about 10 to about 30 weight percent of caking or non-caking coal and the remainder a petroleum resid blended at below 50.degree. C.