Abstract: A lube-oil range hydrocarbon mixture is produced by the oligomerization of a branched olefin mixture which contains olefins of 6 to 16 carbon atoms and has a degree of branching of about 10 to 50 mole percent of branched olefins; the lube-oil range hydrocarbon is obtained by separating and hydrogenating the oligomerized olefins.

Abstract: An aromatic hydrocarbon is contacted under suitable hydroalkylation conditions with a composition comprising a calcined, acidic, nickel and rare earth-treated crystalline zeolite.

Abstract: A method for producing terephthalic acid from potassium benzoate in which the potassium benzoate is charged to the reactor in powdered form as a low viscosity slurry of potassium benzoate in terphenyl.

Abstract: Internal olefins such as those obtained from a disproportionation of 1-olefins like 1-decene are dimerized over a promoted boron trifluoride catalyst to yield oils useful as lubricant basestock.

Abstract: A low viscosity slurry is prepared by first making a powder such that the shape of the particles of the powder is granular and then mixing the powder and a suitable dispersant.

Abstract: An aromatic hydrocarbon is contacted under suitable hydroalkylation conditions with a composition comprising a calcined, acidic, nickel and rare earth-treated crystalline zeolite.

Abstract: Compositions comprising tin (II) and antimony (III) dihydrocarbylphosphorodithioates are disclosed which are usefully employed to treat metals contaminated catalytic cracking catalysts. A method for the preparation of the tin compound is also disclosed comprising reacting a dihydrocarbyl phosphorodithioic acid with a tin (II) salt of a carboxylic acid to form a reaction product which can be employed in conjunction with the antimony compound without further purification.

Abstract: Internal olefins such as those obtained from a disproportionation of 1-olefins like 1-decene are dimerized over a promoted boron trifluoride catalyst to yield oils useful as lubricant basestock.

Abstract: Hydroalkylation of aromatic hydrocarbons using an acidic crystalline zeolite type support having ruthenium and nickel thereon, the nickel having been placed thereon responsive to correlation of hydroalkylation selectivity and the amount of alkali metal or alkaline earth metal ion removed from the support during cation exchange when preparing a catalyst. In one embodiment benzene is converted to cyclohexylbenzene.

Abstract: Dihydropyrans, such as 3,4-dihydro-4-methyl-2[H]-pyran, are prepared from unsaturated alcohols, such as 3-methyl-3-buten-1-ol, by reaction with carbon monoxide and hydrogen employing a Group VIII or VIB catalyst.

Abstract: An aromatic hydrocarbon is contacted under hydroalkylation conditions and in the presence of hydrogen with a catalyst comprising at least one ruthenium compound and at least one nickel compound supported on a calcined, acidic, rare earth-treated crystalline zeolite.

Abstract: Novel compositions and novel hydroformylation catalysts are prepared by the interaction of an organorhodium halide of the formula (L).sub.n Rh(X).sub.m, wherein X is chlorine, bromine or iodine, L is a cyclic diene or a cyclic triene, n equals 1 or 2, m equals 1 or 2, the sum of n+m equals 2 or 3; hydrazine or a hydride of Group IA, IIA or IIIA metals; and a phosphorus containing adjuvant of the formula L'.sub.3 P, wherein each L' individually represents aryl, aryloxy, alkaryl, aralkyl, alkaryloxy, aralkoxy, alkyl or alkoxy radicals. The hydroformylation catalysts promote the conversion of olefins to linear aldehydes.

Abstract: An aromatic hydrocarbon is contacted under hydroalkylation conditions and in the presence of hydrogen with a composition comprising at least one platinum compound supported on a calcined, acidic, nickel and rare earth-treated crystalline zeolite which additionally has a halide content sufficient to promote the selectivity of the composition to produce a desired cycloalkyl aromatic hydrocarbon.

Abstract: An aromatic hydrocarbon is contacted under hydroalkylation conditions and in the presence of hydrogen with a composition comprising at least one rhodium or palladium compound or mixture thereof supported on a calcined, acidic, nickel and rare earth-treated crystalline zeolite.

Abstract: An aromatic hydrocarbon is contacted under hydroalkylation conditions and in the presence of hydrogen with a composition comprising at least one ruthenium compound impregnated on a calcined, acidic, nickel and rare earth-treated crystalline zeolite support.

Abstract: An aromatic hydrocarbon is contacted under hydroalkylation conditions and in the presence of hydrogen with a composition comprising at least one platinum compound supported on a calcined, acidic, nickel and rare earth-treated crystalline zeolite.

Abstract: Acid catalyzed cleavage products of hydrocarbyl aromatic hydroperoxides are subjected to extractive distillation employing a hydrocarbon solvent. In a specific embodiment a mixture containing cyclohexylbenzene, phenol and cyclohexanone obtained from the acid catalyzed cleavage of cyclohexylbenzene hydroperoxide is subjected to extractive distillation employing hexadecane.

Abstract: Undesirable color formation during the preparation of a cured intumescent flame retardant is minimized by including a color stabilizing amount of at least one color stabilizing phosphorus-containing compound.

Abstract: A process for removing at least a substantial portion of at least one contaminant from a fluid containing said at least one contaminant and at least one dehydration sensitive compound without causing substantial dehydration of said dehydration sensitive compound, said at least one contaminant being selected from the group consisting of water and nitrogen compounds having the formula XNH.sub.2 wherein X is selected from the group consisting of hydrogen and linear alkyl radicals having 1 to 22 carbon atoms; which comprises contacting said fluid with a suitable base treated molecular sieve having an effective pore diameter in the range of about 2 to about 6 Angstrom units.

Abstract: A compound of vanadium or niobium complexed with NO and a selected complexing agent.