Abstract: A portable, battery-powered combination probe search test light, test lead, and continuity tester provides a selection of modes of use for illuminated and non-illuminated search and continuity indication, in a simple circuit; according to needs indicated by push-button switches, continuity of a circuit to be tested may be indicated by illumination; in a further mode continuity is indicated by illumination of a dimmer light; these modes provide for testing the lights individually; two flexible leads with clips and a novel housing-mounted pivotal probe in selective combination provide contacts for the versatile modes of testing and for charging the battery either, with or without, illumination indicating charging.

Abstract: A contaminating metal on a cracking catalyst used for the cracking of hydrocarbons is passivated by contacting the catalyst with a hydrocarbon gas or mixture of gases comprising molecules of three carbon atoms or less at passivation reaction conditions prior to the cycling of the catalyst to the cracking zone. The cracking catalyst comprises crystalline aluminosilicate contained in a substantially alumina-free inorganic oxide matrix.

Abstract: A contaminating metal on a cracking catalyst used for the cracking of hydrocarbons is passivated by contacting the catalyst with a hydrocarbon gas or mixture of gases comprising molecules of three carbon atoms or less at passivation reaction conditions prior to the cycling of the catalyst to the cracking zone, which gas or mixture of gases is first saturated with water at specific conditions.

Abstract: A contaminating metal on a cracking catalyst used for the cracking of hydrocarbons is passivated by contacting the catalyst with a hydrocarbon gas or mixture of gases comprising molecules of three carbon atoms or less at passivation reaction conditions prior to the cycling of the catalyst to the cracking zone, which conditions include a temperature in excess of 1300.degree. F.

Abstract: A contaminating metal on a cracking catalyst used for the cracking of hydrocarbons is passivated by contacting the catalyst with a hydrocarbon gas or mixture of gases comprising molecules of three carbon atoms or less at passivation reaction conditions prior to the cycling of the catalyst to the cracking zone.

Abstract: A contaminating metal on a cracking catalyst used for the cracking of hydrocarbons is passivated by contacting the catalyst with a methane gas at passivation reaction conditions prior to the cycling of the catalyst to the cracking zone.

Abstract: A food carrying and display system includes a plurality of containers having one top and supportable in vertical array by stacking means including a coaxially disposed adjustable-length elongate screw provision; each container has a rim and a central spacer protecting the rim from distortion, both of which optionally may be detachable for cleaning and for ease in manufacturing, by use of an extra spacer and a single elongate screw and the top as few as one container can be carried with the top protectively in place sealing it closed; special carrying and handling provisions include a ring nut at the top of the assembly and around each container at mid-height a safety flange.

Abstract: An acidic multimetallic catalytic composite especially useful in the conversion of hydrocarbons comprises a combination of catalytically effective amounts of a platinum or palladium component, an iridium component, a cobalt component, a Group IVA metallic component and a halogen component with a porous carrier material. The platinum or palladium, iridium, cobalt, Group IVA metallic and halogen components are present in the multimetallic catalyst in amounts, respectively, calculated on an elemental basis, corresponding to about 0.01 to about 2 wt. % platinum or palladium, and about 0.01 to about 2 wt. % iridium, about 0.05 to about 5 wt. % cobalt, about 0.01 to about 5 wt. % Group IVA metal and about 0.1 to about 3.5 wt. % halogen.

Abstract: Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with an acidic multimetallic catalytic composite comprising a combination of catalytically effective amounts of a platinum or palladium component, an iridium component, a cobalt component, a Group IVA metallic component and a halogen component with a porous carrier material. The platinum or palladium iridium, cobalt, Group IVA metallic and halogen components are present in the multimetallic catalyst in amounts, respectively, calculated on an elemental basis, corresponding to about 0.01 to about 2 wt. % platinum or palladium, about 0.01 to about 2 wt. % iridium, about 0.05 to about 5 wt. % cobalt, about 0.01 to about 5 wt. % Group IVA metal and about 0.1 to about 3.5 wt. % halogen.

Abstract: Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with a selective sulfided acidic multimetallic catalytic composite comprising a combination of catalytically effective amounts of a platinum group component, a sulfided rhenium component and a halogen component with a porous carrier material formed from Ziegler alumina. The platinum group component, sulfided rhenium component and halogen component are present in the multimetallic catalytic composite in an amount, calculated on an elemental basis, corresponding to about 0.01 to about 2 wt. % platinum group metal, about 0.01 to about 2 wt. % rhenium, about 0.1 to about 3.5 wt. % halogen and sulfur in an amount at least sufficient to provide an atomic ratio of sulfur to rhenium of at least about 0.5:1.

Abstract: There is disclosed an all plastic hinge for hanging conventionally sized doors for buildings and the like. Means are provided to prevent the pin from rising out of the passage afforded by the hinge halves by establishing a preferred direction of pin movement in the pin inserting direction. An enlargement in the pin receiving passage is created by differentially shrinking the knuckle surrounding the passage during the process of manufacture.

Abstract: Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with an acidic multimetallic catalytic composite comprising a combination of catalytically effective amounts of a platinum or palladium component, a rhodium component, a rhenium component, a germanium component, and a halogen component with a porous carrier material. The platinum or palladium, rhodium, rhenium, germanium, and halogen components are present in the multimetallic catalyst in amounts respectively, calculated on a finished catalyst and elemental basis, corresponding to about 0.01 to about 2 wt. % platinum or palladium metal, about 0.01 to about 2 wt. % rhodium, about 0.01 to about 2 wt. % rhenium, about 0.01 to about 5 wt. % germanium, and about 0.1 to about 3.5 wt. % halogen.

Abstract: A nonacidic catalytic composite useful for dehydrogenating hydrocarbons comprises a combination of catalytically effective amounts of a platinum group component, a rhenium component, a cobalt component, a tin component and an alkali or alkaline earth component with a porous carrier material. A specific example of the nonacidic catalytic composite disclosed herein is a combination of a platinum group metal, rhenium, cobalt, tin and an alkali or alkaline earth metal with a porous carrier material in amounts sufficient to result in a composite containing, on an elemental basis, about 0.01 to about 2 wt. % platinum group metal, about 0.01 to about 2 wt. % rhenium, about 0.05 to about 5 wt. % cobalt, about 0.01 to about 5 wt. % tin and about 0.1 to about 5 wt. % alkali metal or alkaline earth metal.

Abstract: Hydrocarbons are converted by contacting them at hydrocarbon conversion conditions with an acidic multimetallic catalytic composite comprising a combination of catalytically effective amounts of a platinum group component, a nickel component, a cobalt component, and a halogen component with a porous carrier material. A preferred modifying component for the disclosed catalytic composite is a Group IVA metallic component. The platinum group, nickel, cobalt and halogen components are present in the multimetallic catalyst in amounts, respectively, calculated on an elemental basis, corresponding to about 0.01 to about 2 wt. % platinum group metal, about 0.01 to about 2.5 wt. % nickel, about 0.05 to about 5 wt. % cobalt, and about 0.1 to about 3.5 wt. % halogen.

Abstract: Isomerizable hydrocarbons are isomerized using a selectively sulfided acidic multimetallic catalytic composite comprising a combination of catalytically effective amounts of a platinum group component, a sulfided rhenium component and a halogen component with a porous carrier material formed from Ziegler alumina.

Abstract: Dehydrogenatable hydrocarbons are dehydrogenated by contacting them, at dehydrogenation conditions, with a catalytic composite comprising a combination of catalytically effective amounts of a platinum or palladium component, a rhodium component and a cobalt component with a porous carrier material. A specific example of the nonacidic catalytic composite disclosed herein is a combination of a platinum or palladium component, a rhodium component, a cobalt component, and an alkali or alkaline earth component with a porous carrier material in amounts sufficient to result in a composite containing about 0.01 to about 2 wt. % platinum or palladium, about 0.01 to about 2 wt. % rhodium, about 0.05 to about 5 wt. % cobalt and about 0.1 to about 5 wt. % alkali metal or alkaline earth metal. A preferred modifying component for the disclosed catalytic composites is a Group IVA metallic component.

Abstract: Dehydrogenatable hydrocarbons are dehydrogenated by contacting them at dehydrogenation conditions with a nonacidic catalytic composite comprising a combination of catalytically effective amounts of a platinum or palladium component, a ruthenium component, a Group IVA metallic component and an alkali metal or alkaline earth metal component with a porous carrier material. A specific example of the nonacidic multimetallic catalytic composite disclosed herein is a combination of a platinum component, a ruthenium component, a germanium component and an alkali metal or alkaline earth metal component with an alumina carrier material. The amounts of the catalytically active components contained in this last composite are, on an elemental basis, 0.01 to 2 wt. % platinum, 0.01 to 2 wt. % ruthenium, 0.01 to 5 wt. % germanium and 0.1 to 5 wt. % of the alkali or alkaline earth metal.

Abstract: Dehydrogenatable hydrocarbons are dehydrogenated by contacting them, at dehydrogenation conditions, with a nonacidic catalytic composite comprising a combination of catalytically effective amounts of a platinum group component, a rhenium component, a cobalt component, a tin component and an alkali or alkaline earth component with a porous carrier material. A specific example of the nonacidic catalytic composite disclosed herein is a combination of a platinum group metal, rhenium, cobalt, tin and an alkali or alkaline earth metal with a porous carrier material in amounts sufficient to result in a composite containing, on an elemental basis, about 0.01 to about 2 wt. % platinum group metal, about 0.01 to about 2 wt. % rhenium, about 0.05 to about 5 wt. % cobalt, about 0.01 to about 5 wt. % tin and about 0.1 to about 5 wt. % alkali metal or alkaline earth metal.

Abstract: Dehydrogenatable hydrocarbons are dehydrogenated by contacting them, at dehydrogenation conditions, with a catalytic composite comprising a combination of catalytically effective amounts of a platinum group component, a Group IV-A metallic component, and a Group VI-B transition metal component with a porous carrier material.

Abstract: Dehydrogenatable hydrocarbons are dehydrogenated by contacting them, at dehydrogenation conditions, with a catalytic composite comprising a combination of catalytically effective amounts of a platinum group component, a cobalt component, and a germanium component with a porous carrier material. A specific example of the nonacidic catalytic composite disclosed herein is a combination of a platinum group component, a cobalt component, a germanium component, and an alkali or alkaline earth component with a porous carrier material in amounts sufficient to result in a composite containing about 0.01 to about 2 wt. % platinum group metal, about 0.1 to about 5 wt. % cobalt, about 0.01 to about 5 wt. % germanium and about 0.1 to about 5 wt. % alkali metal or alkaline earth metal.