Abstract:
1. A process for the preparation of non-solvated aluminum hydride which comprises (A) reacting hydrogen chloride with an excess of an alkali metal aluminum hydride of the formula:
Abstract:
A cased cartridge for firearms in which the cartridge casing is expelled through the muzzle along with the projectile or projectiles to provide the advantages of caseless ammunition in a cased round.
Abstract:
This invention relates to a novel high strength Al-Zn-B alloy metallurgically bonded to steel and heat treating processes therefore, for use in both serial and underground cable sheathing.
Abstract:
A NEW COMPOSITION OF MATTER HAVING THE FORMULA
PDL(CO)X2
WHERE L IS A LEWIS BASE AND WHERE X IS A HALOGEN. THIS COMPOSITION IS PREPARED BY REACTING CARBON MONOXIDE WITH A LEWIS BASE AND A PALLADIUM-CONTAINING MATERIAL SELECTED FROM THE GROUP CONSISTING OF (A) PALLADIUM DIHALIDE (B) A MIXTURE OF ELEMENTAL PALLADIUM WITH AN ACID HALIDE, AND (C) MIXTURES THEREOF, IN THE PRESENCE OF A LIQUID REACTION MEDIUM. THE RESULTING COMPLEX IS USEFUL AS A CATALYST IN THE PREPARATION OF ORGANIC ISOCYANATES BY REACTING CARBON MONOXIDE WITH AN ORGANIC NITRO COMPOUND. THE LEWIS BASE IS A HETEROAROMATIC NITROGEN COMPOUND HAVING A HETEROAROMATIC RING WHICH CONTAINS (A) 5 OR 6 MEMBERS IN THE RING, (B) ONLY NITROGEN AND CARBON IN THE RING, (C) NO MORE THAN 2 NITROGENS IN THE RING, AND (D) AT LEAST 2 DOUBLE BONDS IN THE RING. TYPICAL HETEROAROMATIC NITROGEN COMPOUNDS INCLUDE PYRIDINE AND ISOQUINOLINE.
Abstract:
THE PROCESS FOR PREPARING AN ORGANIC ISCYANATE BY REACTING AN ORGANIC NITRO COMPOUND WITH CARBON MONOXIDE IN TEH PRESENCE OF A CATALYST SYSTEM COMPRISING (A) A HALIDE OF A NOBLE METAL AND (B) AND ARYL HALO COMPOUND OF A METAL SELECTED FROM GROUPS IIB, IIIB AND IVB OF THE PERIODIC TABLE OR A COPLEX OF (A) AND (B). PREFERRED ARYL HALO COMPOUNDS INCLUDE ADIARYL LEAD DIHALIDES, DIARYL GERMANIUM DIHALIDES, ARYL BORON DIHALIDES AND ARYL MERCURIC HALIDES.THE NOBLE METAL HALIDE IS PREFERABLY A HALIDE OF PALLADIUM, RHODIUM, IRIDIUM, RHENIUM, PLATINUM, AND MIXTURES THEREOF. TEH CATALYST SYSTEM MAY ALSO INCLUDED MOLYBDEMUM TIROXIDE OR ANOTHER METAL OXIDE.
WHERE R1 AND R2 ARE BYDROGEN OR METHYL; R3 AND R4 ARE EACH AN INDEPENDENTLY SELECTED ALKYL GROUP HAVEING FROM 1 TO 20 CARBON ATOMS; R5 IS THE ORGANIC RESIDUE EXCLUSIVE OF REACTIVE HYDROXYL GOUPS OF A POLYOL, P IS AN INTEGER OF FROM 2 TO 6 INCLUSIVE AND N AND M ARE POSITIVE INTEGERS INDEPENDENTLY SELECTED IN EACH CHAIN AND WHOSE SUM IN EACH CHAIN IS FROM 2 TO 20, ARE PREPARED BY SUCCESSIVELY REACTING BORIC ACID WITH A GLYCOL MONOETHER AND A POLYOL. THESE ESTERS ARE USEFUL AS STABILIZERS AND CORROSION INHIBITORS FOR LUBRICANTS AND NON-AQUEOUS HYDRAULIC FLUIDS.
Abstract:
THE PROCESS FOR PREPARING N,N''-DIARYLTHIOUREAS BY REACTING: (A) CARBON DISULFIDE AND/OR CARBONYL SULFIDE, (B) WATER, (C) A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) AN AROMATIC NITRO COMPOUND, (2) AN AROMATIC NITROSO COMPOUND, (3) AND MIXTURES OF (1) AND (2), (D) AND A BASE, AND RECOVERING THE N,N''-DIARYLTHIOUREAS PRODUCED THEREBY.
Abstract:
BIS(CHLOROSULFENYL)-CARBORANES ARE PREPARED BY REACTING A BISMERCAPTO-ORTHO, -META OR -PARA-CARBORANE WITH CHLORINE IN AN INERT SOLVENT. THE BIS(CHLOROSULFENYL)-CARBORANES THUS FORMED CAN, IN TURN, BE OXIDIZED IN THE PRESENCE OF SODIUM HYPOCHLORITE TO YIELD THE CORRESPONDING BIS(CHLOROSULFONYL) -ORTHO -META AND -PARA-CARBORANES. BOTH THE BIS(CHLOROSULFENYL)-, AND THE BIS(CHLOROSULFONYL)-CARBORANES ARE USEFUL AS HIGH ENERGY FUELS WHEN COMPOUNDED WITH OXIDIZERS.
Abstract:
THE PROCESS FOR PREPARING AN ORGANIC ISOCYANATE BY REACTING AN ORGANIC NITRO COMPOUND WITH CARBON MONOXIDE IN THE PRESENCE OF A CATALYST SYSTEM COMPRISED OF (1) A NITROGEN-CONTAINING HETEROAROMATIC COMPOUND AND (2) A HALIDE OF A NOBLE METAL, AND (3) A HALIDE OF A NON-NOBLE METAL SELECTED FROM THE GROUP CONSISTING OF IRON AND THE METALS OF GROUPS IVA, VA, VIA, VIIA, IIB, IVB, AND VB OF THE PERIODIC TABLE. THE HETEROAROMATIC NITROGEN-CONTAINING COMPOUND IS ONE CONTAINING BETWEEN FIVE AND SIX MEMBERS IN THE RING, CONTAINING NO ELEMENT OTHER THAN NITROGEN AND CARBON IN THE RING, AND HAVING AT LEAST TWO DOUBLE BONDS IN THE RING. PYRIDINE AND ISOQUINOLINE ARE THE PREFERRED HETEROAROMATIC COMPOUNDS. THE NOBLE METAL HALIDE IS PREFERABLY A HALIDE OF PALLADIUM, RHODIUM, IRIDIUM, RHENIUM, PLATINUM OR MIXTURES THEREOF. THE PREFERRED NON-NOBLE METAL HALIDES ARE HALIDES OF TITANIUM, ZIRCONIUM, VANADIUM, TANTALUM, CHROMIUM, MANGANESE, IRON, ZINC, MERCURY, GERMANIUM, TIN, LEAD, ARSENIC, ANTIMONY AND BISMUTH. A FOURTH COMPONENT, SUCH AS MOLYBDENUM TRIOXIDE OR ANOTHER METAL OXIDE, MAY ALSO BE INCLUDED IN THE CATALYST SYSTEM.