Mixture of a molybdenum carboxylate and a molybdenum dithiophosphate or a molybdenum dithiocarbamate for use in a hydrovisbreaking process
At least one decomposable molybdenum additive se lected from the group consisting of a mixture of a mo lybdenum dithiophosphate and a molybdenum carbox ylate and a mixture of a molybdenum dithiocarbamate and a molybdenum carboxylate is mixed with a hydro carbon-containing feed stream. The hydrocarbon-con
Abstract: Interchange reactions between organosulfides and mercaptans are promoted by the use of catalysts containing Group VIB oxides. The preferred catalysts are supported phospho Group VIB oxide acids, such as phosphotungstic acid and phosphomolybdic acid. The preferred supports are moderately acidic supports that contain aluminum, such as …
This patent describes a process for the oxidation of olefinically unsaturated substrates of the formula R-CH=CH-R' wherein R and R' are independently selected from members of the group consisting of H, alkyl, alkenyl, cycloalkyl, aryl, and halo-, cyano- and ether substituted alkyl,alkenyl, cycloalkyl and aryl, which comprises reacting, in the liquid …
The decomposable molybdenum compound may be added, in a hydrovisbreaking process, to a hydrocarbon-containing feed stream prior to contacting the feed …
Mono- and bis-terphenyl complexes of molybdenum and tungsten with general composition M2(Ar')(O2CR)3 and M2(Ar')2(O2CR)2, respectively (Ar' = terphenyl ligand), that contain carboxylate groups bridging the quadruply bonded metal atoms, have been prepared and structurally characterized. The new compo …
Molybdenum(II) carboxylates . T. A. Stephenson, E. Bannister and G. Wilkinson Abstract. The first page of this article is displayed as the abstract. About. Cited by. Related. Buy …
At least one decomposable molybdenum additive selected from the group consisting of a mixture of a molybdenum dithiophosphate and a molybdenum carboxylate and a mixture of a molybdenum dithiocarbamate and a molybdenum carboxylate is mixed with a hydrocarbon-containing feed stream. The hydrocarbon-containing feed stream …
We have also investigated molybdenum compounds with other alkyl-substituted imido groups: these compounds all follow a similar decomposition pathway, γ …
At least one decomposable molybdenum additive selected from the group consisting of a mixture of a molybdenum dithiophosphate and a molybden
Mono- and bis-terphenyl complexes of molybdenum and tungsten with general composition M2(Ar')(O2CR)3 and M2(Ar')2(O2CR)2, respectively (Ar' = terphenyl ligand), that contain carboxylate groups ...
The preparation of trans-Mo 2 (T i PB) 2 (O 2 C-2-AnQ) 2, I, and Mo 2 (DAniF) 3 (O 2 C-2-AnQ), II, where, O 2 C-2-AnQ = 9,10-anthraquinone-2-carboxylate, T i PB = 2,4,6-triisopropylbenzoate and DAniF = N,N′-di-(p-anisyl)formamidinate are described together with electronic structure calculations employing density functional theory on model …
carboxylate and 2.090 and 2.336 Å for the other carboxylate. The longer Mo-O bonds are trans to the ModC (2.336 Å) or the ModN bond (2.261 Å). The carboxylates are technically inequivalent in this structure, although all biscarboxylate complexes show time-averaged C s symmetry in solution at room
Abstract: At least one decomposable molybdenum compound selected from the group consisting of molybdenum dithiophosphates and molybdenum dithiocarbamates is mixed with a hydrocarbon-containing feed stream. The hydrocarbon-containing feed stream containing such decomposable molybdenum compound is then contacted in a …
At least one decomposable molybdenum additive selected from the group consisting of a mixture of a molybdenum dithiophosphate and a molybdenum carboxy- late and a mixture of a molybdenum dithiocarbamate and a molybdenum carboxylate is mixed with a hydrocarbon- containing feed stream. The hydrocarbon-containing feed stream …
Bis(nitroxyl) radical adducts of rhodium(II) and molybdenum(II) carboxylate dimers: magnetic exchange interactions propagated by metal-metal bonds. Teng Yuan Dong, David N. Hendrickson, Timothy R. Felthouse, and ; Huey Sheng Shieh
At least one decomposable molybdenum additive selected from the group consisting of a mixture of a molybdenum dithiophosphate and a molybdenum carboxylate and a mixture of a molybdenum dithiocarbamate and a molybdenum carboxylate is mixed with a hydrocarbon-containing feed stream. The hydrocarbon-containing feed stream …
At least one decomposable molybdenum additive selected from the group consisting of a mixture of a molybdenum dithiophosphate and a molybdenum carboxylate and a mixture of a molybdenum dithiocarbamate and a molybdenum carboxylate is mixed with a hydrocarbon-containing feed stream. The hydrocarbon-containing feed stream …
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Abstract: Interchange reactions between organosulfides and mercaptans are promoted by the use of catalysts containing Group VIB oxides. The preferred catalysts are supported phospho Group VIB oxide acids, such as phosphotungstic acid and phosphomolybdic acid. The preferred supports are moderately acidic supports that contain aluminum, such as …
A decomposable molybdenum compound selected from the group consisting of a mixture of a molybdenum dithiophosphate and a molybdenum carboxylate and a mixture of a molybdenum dithiocarbamate and a molybdenum carboxylate is disclosed. The …
Applications. At Umicore, our specialty materials business division produces molybdenum carboxylate catalysts which are used in bottom-of-the barrel technologies, increasing the effectiveness of crude oil and petroleum. Molybdenum catalysts help reduce the average waste in the processes. This results in a drop in crude oil consumption, while ...
Thermally decomposable metal (Mo and Co) salts of acyclic and aliphatic carboxylic acid + solid acid such as zeolite or amorphous silica-alumina: ... Molybdenum …
At least one decomposable molybdenum additive selected from the group consisting of a mixture of a molybdenum dithiophosphate and a molybdenum carboxylate and a mixture of a molybdenum dithiocarbamate and a molybdenum carboxylate is mixed with a hydrocarbon-containing feed stream. The hydrocarbon-containing feed stream …
Structural characterization of this dimer revealed weak molybdenum-methanol bonding which was consistent with the observed reactivity of the compound. New synthetic methods were devised for the preparation of Mo/sub 4/X/sub 8/L/sub 4/ clusters where X = Cl, Br, I and L = PR/sub 3/, Po/sub 3/, RCN, CH/sub 3/OH.
The successful immobilization of molybdenum complex on the surface of graphene supports was further confirmed by ICP-OES which showed 0.24 and 0.11 mmolg −! molybdenum in the GO-Mo and rGO-Mo catalysts, respectively.. Fig. 2 shows the X-ray diffraction (XRD) patterns of GO, GO-Mo and rGO-Mo. The diffraction peak at 11.2° with …
Search for With Metal Carboxylate Or Metal Compound And Carboxylic Acid Or Anhydride Patents and Patent Applications (Class 502/170) Filed with the USPTO
Patent US4608152A - Hydrovisbreaking process for hydrocarbon containing feed streams (US 4,608,152 A); Owner: Amoco Corporation; Filed: 11/30/1984; Est. priority date: 11/30/1984; Status: Expired due to Term; Abstract: At least one decomposable molybdenum additive selected from the group consisting of a mixture of a molybdenum …
At least one decomposable molybdenum additive selected from the group consisting of a mixture of a molybdenum dithiophosphate and a molybdenum carboxylate and a mixture of a molybdenum dithiocarbamate and a molybdenum carboxylate is mixed with a hydrocarbon-containing feed stream. The hydrocarbon-containing feed stream …
Reaction of binuclear carboxylate complexes of molybdenum, rhenium, ruthenium, and rhodium with tert-butyl isocyanide: metal-metal bond cleavage vs. bond retention. Gregory S. Girolami; and ; ... Seven-coordinated molybdenum(II) complexes containing carbonyl, triphenylphosphine, and O-donor or S-donor anionic bidentate ligands. ...
It is used as an analytical reagent, corrosion inhibitor, and non-oxidizing anodic inhibitor. It reduces the nitrite requirement of fluids inhibited with nitrite-amine and improves the corrosion protection of carboxylate salt fluids. It is utilized in pigments, dyes, anti-freezing agent, cutting oils, metal finishing agent, brightening agent ...
Synthetic Considerations. A dinuclear, singly metal–metal bonded {Mo 2 O 4} 2+ core formed in acetonitrile or ethanol upon dimerization of a mononuclear …
A process is described for hydrovisbreaking a hydrocarbon-containing feed stream comprising the steps of: introducing a decomposable molybdenum additive selected from the group consisting of a mixture of molybdenum dithiophosphate and a molybdenum carboxylate and a mixture of a molybdenum dithiocarbamate and a molybdenum …