Abstract: The present invention provides a heteropolyacid salt catalyst for use in an alkylation reaction of an aromatic compound or a transalkylation, disproportionation or isomerization reaction of an alkyl aromatic compound, which comprises a heteropolyacid salt catalyst represented by the following formula (1): H4-mZmSiXl2O40??(1) wherein X represents W or Mo, Z represents (NH4) or an alkali metal atom, and m represents a numerical value of 0?m?4, and comprising a heteropolyacid salt crystal having an average particle diameter in the short axis of the crystal of less than 300 nm as a main component, wherein said heteropolyacid salt catalyst has an acid amount on the external surface of not less than 190 ?mol per weight of a heteropolyacid salt.

Abstract: A process for producing chlorine by oxidizing hydrogen chloride with oxygen. The process uses various supported ruthenium catalysts or a catalyst system containing (A) an active component of a catalyst and (B) a compound having thermal conductivity of a solid phase measured by at least one point within a range from 200 to 500° C. of not less than 4 W/m. ° C. Specifically, in the drafted Abstract, we proposed to delete the detailed description of various supported ruthenium catalysts which is present on pages 12 and 13 of the specification and in Claim 1.

Abstract: A process for producing chlorine by oxidizing hydrogen chloride with oxygen. The process uses various supported ruthenium catalysts or a catalyst system containing (A) an active component of a catalyst and (B) a compound having thermal conductivity of a solid phase measured by at least one point within a range from 200 to 500° C. of not less than 4 W/m. ° C.

Abstract: A process for producing chlorine by oxidizing hydrogen chloride with oxygen in the presence of a supported ruthenium oxide catalyst or a ruthenium mixed oxide catalyst. The content of ruthenium oxide is from 0.1 to 20% by weight and the ruthenium oxide has a mean particle diameter of from 1.0 to 10.0 nm.

Abstract: The present invention is to provide a process for producing chlorine by oxidizing hydrogen chloride with oxygen, wherein said process uses one catalyst selected from the following catalysts (1) to (9):

Abstract: A process for producing chlorine by oxidizing hydrogen chloride with oxygen, which comprises using at least one catalyst selected from the group consisting of a supported ruthenium chloride catalyst, a catalyst obtained by supporting at least one ruthenium compound, a ruthenium oxide catalyst obtained by oxidizing a catalyst which is prepared by supporting at least one ruthenium compound, and a catalyst obtained by calcining ruthenium chloride supported on a carrier at the temperature of not less than 280.degree. C.

Abstract: The present invention provides a process for producing chlorine by oxidation of hydrogen chloride with oxygen which process comprises using a ruthenium catalyst.

Abstract: According to a process for producing .alpha.-phenylethyl alcohol by hydrogenation of acetophenone, which uses a copper-based catalyst containing at least one alkaline earth metal carbonate and/or at least one alkali metal compound, the hydrogenolysis of starting acetophenone is inhibited, and hence the production of ethylbenzene as a by-product is reduced, so that it becomes possible to produce .alpha.-phenylethyl alcohol useful as a starting material for styrene with high selectivity.

Abstract: A process is disclosed for producing an amine by carrying out a reductive amination of a cyclic ketone or by carrying out a reduction of an imino derivative of a cyclic ketone to the corresponding amine which process is characterized in using a cobalt catalyst containing a carbonate of an alkaline earth metal and/or lanthanum oxide.

Abstract: Amines are produced in high yield by the process which comprises allowing a cyclic ketone to react with ammonia in the presence of active carbon to produce imino derivatives and then, allowing the imino derivatives to react with hydrogen in the presence of a hydrogenating catalyst.

Abstract: An alkyl-substituted hydrocarbon is prepared by alkylating an aromatic hydrocarbon having at least one hydrogen atom at an alpha-position in a side chain with an olefin in the presence of a solid base which is obtainable by heating an alumina, an alkali metal hydroxide and an alkali metal or an alumina containing at least 1.3% by weight of water and an alkali metal in an inert gas atmosphere at a specific temperature as a catalyst.

Abstract: An alkyl-substituted hydrocarbon is prepared by alkylating an aromatic hydrocarbon having at least one hydrogen atom at an alpha-position in a side chain with an olefin in the presence of a solid base which is obtainable by heating an alumina, an alkali metal hydroxide and an alkali metal or an alumina containing at least 1.3% by weight of water and an alkali metal in an inert gas atmosphere at a specific temperature as a catalyst.

Abstract: An alkyl-substituted hydrocarbon is prepared by alkylating an alkyl aromatic hydrocarbon having at least one hydrogen atom at an alpha-position in a side chain with an olefin in the presence of a solid base which is obtainable by heating and reacting an alumina with at least one carbonate of an alkali metal and at least one material selected from the group consisting of potassium and alkali metal hydrides at a temperature of from 180.degree. to 800.degree. C. in an inert gas atmosphere, as a catalyst.

Abstract: An alkyl-substituted hydrocarbon is prepared effectively under mild conditions by alkylating an alkyl aromatic hydrocarbon having at least one hydrogen atom at an alpha-position in a side chain with an olefin in the presence of a solid base which is obtainable by treating a water-containing oxide of an alkaline earth metal with at least one material selected from the group consisting of alkali metals and alkali metal hydrides in an amount of 0.5 to 3.5 equivalents per one mole of water in said oxide in an inert gas atmosphere.

Abstract: An alkyl-substituted hydrocarbon is prepared by alkylating an alkylaromatic hydrocarbon having at least one hydrogen atom on an alpha-carbon in a side chain with an olefin in the presence of a solid base which is obtainable by treating an alumina with at least one compound of an alkaline earth metal at a temperature of from 200.degree. to 800.degree. C. and then with at least one compound selected from the group consisting of an alkali metal and an alkali metal hydride in an inert gas at a temperature of from 200.degree. to 800.degree. C.

Abstract: An alkyl-substituted hydrocarbon is prepared by alkylating an alkyl aromatic hydrocarbon having at least one hydrogen atom at an alpha-position in a side chain with an olefin in the presence of a solid base which is obtainable by reacting an alumina with an alkali metal carbonate and/or aluminate and an alkali metal amd/or its hydride in an inert gas atmosphere at a temperature of 180.degree. to 800.degree. C. as a catalyst.

Abstract: An alkyl-substituted hydrocarbon is prepared by alkylating an alkyl aromatic hydrocarbon having at least one hydrogen atom at an alpha-position in a side chain with an olefin in the presence of a solid base which is obtainable by heating an alumina, an alkali metal hydroxide and an alkali metal hydride or an alumina containing at least 1.3% by weight of water and an alkali metal hydride in an inert gas atmosphere at a temperature of 200.degree. to 800.degree. C. as a catalyst.

Abstract: A method for producing a compound having a double bond at an end of the molecule, comprising the dehydrating reaction of a compound represented by the general formula ##STR1## wherein R is a C.sub.2 -C.sub.20 hydrogen group having optionally double bonds, in the presence of a zirconium oxide catalyst treated with alkali solution.

Abstract: Method of producing tertiary olefins from alkyl tert-alkyl ethers using a catalyst produced by calcining an aluminum compound supported on a carrier containing silicon oxides at a temperature above that at which the aluminum compound decomposes.