Abstract: An alpha-olefin is oligomerized in the presence of a three-component catalyst comprising a particulate solid adsorbent, boron trifluoride and elemental oxygen. The process also activates the catalyst. For example, 1-decene is oligomerized to a product predominating in the trimer and tetramer using boron trifluoride, elemental oxygen and silica as the solid adsorbent.

Abstract: Uranium peroxide is precipitated from an acidified carbonate strip solution by the addition of hydrogen peroxide and a sufficient quantity of the alkaline carbonate strip solution to maintain the pH at an acid level which is suitable for the precipitation of uranium peroxide.

Abstract: Polymer precursor materials are vaporized without polymerization or are removed from a raw naphtha fraction by passing the raw naphtha to a vaporization zone (24) and vaporizing the naphtha in the presence of a wash oil while stripping with hot hydrogen to prevent polymer deposits in the equipment.

Abstract: Process for operating a furnace or a combustion engine which comprises burning in said furnace or said combustion engine a mixture of polycyclic, polycarboxylic acids obtained by oxidizing coal with aqueous nitric acid, separating from the resulting product an aqueous phase and a solid phase and then extracting the solid phase with a solvent to recover said mixture.

Abstract: A process for ring bromination of nitrobenzene which comprises contacting the nitrobenzene with an alkali metal bromate and aqueous sulfuric acid.

Abstract: A class of compounds having the structural formula ##STR1## in which Ar is substituted phenyl and R is methyl or ethyl possesses improved activity as pre-emergent herbicides and insecticides.

Abstract: A polymer composition is disclosed and consists essentially of 100 parts by weight of an ethylene-alkyl acrylate copolymer and about 1 to 5 parts by weight of a polymer of a higher alkyl ester of acrylic or methacrylic acid. The polymer compositions have a lower heat seal strength than the ethylene-alkyl acrylate copolymer contained therein.

Abstract: A catalyst useful in the conversion of synthesis gas to diesel fuel in a fluidized bed is prepared by contacting finely divided alumina with an aqueous impregnation solution of a cobalt salt, drying the impregnated support and thereafter contacting the support with a nonaqueous, organic impregnation solution of salts of ruthenium and a Group IIIB or IVB metal.

Abstract: Enzymic conversion of cellulose under mechanical shear rate of from 50,000 to 200,000 feet/minute/foot as imparted to the cellulose by a series of rotors and stators mounted in the reaction vessel improves yield of simple sugars.

Abstract: Olefin oligomers suitable as lubricants are prepared with a catalyst comprising boron trifluoride and a mixture of an alcohol, and a polyol. 1-Decene is oligomerized to a liquid product having an improved trimer to tetramer ratio using boron trifluoride and a mixture of n-butanol, and ethylene glycol.

Abstract: A novel process for selectively producing ethanol which comprises introducing into a reaction zone (1) methanol, (2) hydrogen, (3) carbon monoxide, (4) a cobalt carbonyl, a hydrido cobalt carbonyl or a cobalt-containing material convertible to a cobalt carbonyl or a hydrido cobalt carbonyl, (5) a tertiary organo Group VA compound of the Periodic Table, (6) an iodine compound and (7) a ruthenium compound; and then subjecting the contents of said reaction zone to an elevated temperature and an elevated pressure for a time sufficient to convert methanol to ethanol.

Abstract: Apparatus is provided to size finely divided catalyst particles so that all of the catalyst particles passing through the apparatus are sized so as to have a maximum particle diameter. The apparatus includes:(a) A sealed cylindrical housing having an arcuate opening cut into its lower surface,(b) A fine mesh screen which overlaps the arcuate opening cut into the cylindrical housing,(c) A hemicylindrical housing attached to the lower surface of the cylindrical housing and defining a cavity in communication with the cylindrical housing,(d) An inlet port in the top center surface of the cylindrical housing,(e) An outlet port in the bottom center surface of the hemicylindrical housing,(f) A shaft rotating axially within the cylindrical housing and having brushes attached thereto which force catalyst particles from the cylindrical housing through the screen and break down catalyst agglomerates introduced into the cylindrical housing.

Abstract: A catalyst support suitable for use in a cracking process or hydrotreating process. The catalyst support comprises a magnesia-alumina-aluminum phosphate matrix which has outstanding thermal stability.

Abstract: A catalyst support suitable for use in a cracking process or hydrotreating process. The catalyst support comprises a magnesia-alumina-aluminum phosphate matrix which has outstanding thermal stability.

Abstract: A grease composition having improved antifriction properties and improved extreme pressure properties comprising a thickened hydrocarbon lubricating oil, calcium carbonate and a novel quaternary phosphonium thiostannate, for example, hexadecyltri-n-butylphosphonium tetrathiostannate.

Abstract: A method of regulating the growth of plants, including combating unwanted vegetation, comprises applying to the plants, either on seed, the soil or directly on the plants an effective amount of a novel compound of the class having the general structural formula ##STR1## in which one of Q.sub.1, Q.sub.2, Q.sub.3 or Q.sub.4 is N, X is --OH or --O--(C.sub.1 -C.sub.4 alkyl) and Y is H or X and Y together represent a bond between carbon and nitrogen atoms and R is H or one or two of the following substituents: --Br, --Cl, --F, --I, --CF.sub.3, --CH.sub.3, --NO.sub.2 or --C.tbd.N, or an agriculturally acceptable salt thereof.

Abstract: Novel compounds are disclosed which have utility as plant growth regulators. Use to produce growth regulators is specifically illustrated. The novel compounds of this invention are phthalimidoguanidines of the following general structural formulas: ##STR1## in which R, R.sup.1 and R.sup.5 are hydrogen or C.sub.1 to C.sub.5 alkyl, R.sup.2 and R.sup.3 are alike or unlike, one of which may be hydrogen but otherwise are substituents selected from C.sub.1 to C.sub.5 alkyl, alkenyl or alkynyl, branches or unbranched, C.sub.2 to C.sub.5 hydroxyalkyl or alkoxyalkyl, C.sub.3 to C.sub.5 cycloalkyl, furfuryl, pyridyl, benzyl, phenyl, C.sub.1 to C.sub.5 alkylphenyl, or --NR.sup.2 R.sup.3 together may be 2,5-dimethyl-1-pyrryl, 4-morpholinyl or 1-pyrrolidinyl, R.sup.4 is halogen, nitro, cyano, trifluoromethyl, C.sub.1 to C.sub.5 alkyl or acyl and n is zero, one or two.

Abstract: A process for preparing coal suspensions which comprises contacting coal with nitric acid and then combining said contacted coal with an aqueous base solution.

Abstract: Hydrocarbon lubricating oils with a tetrahydrocarbylammonium thiomolybdate having at least about 19 carbon atoms, such as dicocodimethylammonium thiomolybdate, solubilized in the oil are characterized by improved anti-friction properties.

Abstract: Synthesis gas is converted to a gasoline boiling range product high in branched chain paraffins and olefins utilizing a catalyst consisting essentially of (A) silicalite and (B) cobalt, preferably promoted with a Group IIIB or IVB metal oxide on an alumina support of gamma-alumina, eta-alumina or mixtures thereof.