Abstract: A novel mixture composition comprising various aliphatic dicarboxylic acids is provided. Further, a composition comprising the aliphatic dicarboxylic acid mixture composition, water and at least one water-soluble organic amine is provided. Further, a method for inhibiting corrosion of metal surfaces comprising contacting the metal with the composition comprising the aliphatic dicarboxylic acid mixture composition as above, water and at least one water-soluble organic amine is provided.

Abstract: The invention provides a process for hydrocyanation, comprising: contacting 2-pentenenitrile with hydrogen cyanide at a temperature in the range of about 0° C. to about 150° C. in the presence of at least one Lewis acid promoter and a catalyst precursor composition, wherein the catalyst precursor composition comprises a zero-valent nickel and at least one bidentate phosphite ligand selected from a member of the group represented by Formula I and Formula II, in which all like reference characters have the same meaning, except as further explicitly limited: wherein R1 and R5 are independently selected from the group consisting of C1 to C5 hydrocarbyl; and R2, R3, R4, R6, R7 and R8 are independently selected from the group consisting of H and C1 to C4 hydrocarbyl.

Abstract: The invention relates to the preparation of alkylated phenols. More specifically, the invention relates to an improved process for the manufacture of 2-secondary-alkyl-4,5-di-normal-alkylphenols.

Abstract: The invention provides a process for hydrocyanation, comprising: contacting 2-pentenenitrile with hydrogen cyanide at a temperature in the range of about 0° C. to about 150° C. in the presence of at least one Lewis acid promoter and a catalyst precursor composition, wherein the catalyst precursor composition comprises a zero-valent nickel and at least one bidentate phosphite ligand selected from a member of the group represented by Formula I and Formula II, in which all like reference characters have the same meaning, except as further explicitly limited: wherein R1 and R5 are independently selected from the group consisting of C1 to C5 hydrocarbyl; and R2, R3, R4, R6, R7 and R8 are independently selected from the group consisting of H and C1 to C4 hydrocarbyl.

Abstract: The invention provides a hydrocyanation process to produce adiponitrile and other dinitriles having six carbon atoms, in the presence of catalyst composition comprising a zero-valent nickel and at least one bidentate phosphorus-containing ligand wherein the bidentate phosphorus-containing ligand gives acceptable results according to at least one protocol of the 2-Pentenenitrile Hydrocyanation Test Method.

Abstract: The invention provides a process for hydrocyanation, comprising: contacting 2-pentenenitrile with hydrogen cyanide at a temperature in the range of about 0° C. to about 150° C. in the presence of at least one Lewis acid promoter and a catalyst precursor composition, wherein the catalyst precursor composition comprises a zero-valent nickel and at least one bidentate phosphite ligand selected from a member of the group represented by Formula I and Formula II, in which all like reference characters have the same meaning, except as further explicitly limited: wherein R1 and R5 are independently selected from the group consisting of C1 to C5 hydrocarbyl; and R2, R3, R4, R6, R7 and R8 are independently selected from the group consisting of H and C1 to C4 hydrocarbyl.

Abstract: A hydrocyanation process produces adiponitrile and other dinitriles having six carbon atoms. The process involves forming a reaction mixture in the presence of at least one Lewis acid. The reaction mixture includes ethylenically unsaturated nitrites having five carbon atoms, hydrogen cyanide, and a catalyst precursor compositions. The reaction mixture is continuously fed while controlling the overall feed molar ratio of 2-pentenenitriles to all unsaturated nitriles and the overall feed molar ratio of hydrogen cyanide to all unsaturated nitrites. In the reaction product mixture, including adiponitrile, the ratio of the concentration of 2-pentenenitriles to the concentration of 3-pentenenitriles from about 0.2/1 to about 10/1. Included in the catalyst precursor composition is a zero-valent nickel and at least one multidentate phosphorus-containing ligand.

Abstract: The invention relates to the preparation of alkylated phenols. More specifically, the invention relates to an improved process for the manufacture of 2-secondary-alkyl-4,5-di-normal-alkylphenols.

Abstract: A hydrocyanation process produces adiponitrile and other dinitriles having six carbon atoms. The process involves forming a reaction mixture in the presence of at least one Lewis acid. The reaction mixture includes ethylenically unsaturated nitriles having five carbon atoms, hydrogen cyanide, and a catalyst precursor composition. The reaction mixture is continuously fed while controlling the overall feed molar ratio of 2-pentenenitriles to all unsaturated nitriles and the overall feed molar ratio of hydrogen cyanide to all unsaturated nitriles. In the reaction product mixture, including adiponitrile, the ratio of the concentration of 2-pentenenitriles to the concentration of 3-pentenenitriles is from about 0.2/1 to about 10/1. Included in the catalyst precursor composition is a zero-valent nickel and at least one bidentate phosphite ligand.

Abstract: The invention provides a hydrocyanation process to produce adiponitrile and other dinitriles having six carbon atoms, in the presence of catalyst composition comprising a zero-valent nickel and at least one bidentate phosphorus-containing ligand wherein the bidentate phosphorus-containing ligand gives acceptable results according to at least one protocol of the 2-Pentenenitrile Hydrocyanation Test Method.

Abstract: The invention provides a hydrocyanation process for the production of adiponitrile and other dinitriles having six carbon atoms, the process comprising: a) forming a reaction mixture in the presence of at least one Lewis acid, said reaction mixture comprising ethylenically unsaturated nitriles having five carbon atoms, hydrogen cyanide, and a catalyst precursor composition, by continuously feeding ethylenically unsaturated nitriles, hydrogen cyanide, and a catalyst precursor composition; b) controlling X and Z, wherein X is the overall feed molar ratio of 2-pentenenitriles to all unsaturated nitriles and Z is the overall feed molar ratio of hydrogen cyanide to all unsaturated nitriles, by selecting a value for X in the range from about 0.001 to about 0.5, and a value for Z in the range from about 0.5/1 to about 0.

Abstract: The invention provides a hydrocyanation process for the production of adiponitrile and other dinitriles having six carbon atoms, the process comprising: a) forming a reaction mixture in the presence of at least one Lewis acid, said reaction mixture comprising ethylenically unsaturated nitrites having five carbon atoms, hydrogen cyanide, and a catalyst precursor composition, by continuously feeding ethylenically unsaturated nitrites, hydrogen cyanide, and a catalyst precursor composition; b) controlling X and Z, wherein X is the overall feed molar ratio of 2-pentenenitriles to all unsaturated nitriles and Z is the overall feed molar ratio of hydrogen cyanide to all unsaturated nitrites, by selecting a value for X in the range from about 0.001 to about 0.5, and a value for Z in the range from about 0.5/1 to about 0.

Abstract: The invention relates to a process for the making organic aldehyde compounds from an unsaturated compound by hydroformylation and in the presence of a catalyst system comprising a Group VIII metal and a bidentate phosphorus ligand having two trivalent phosphorus atoms bound to salicylanilide groups.

Abstract: Improved liquid phase process useful in the hydrocyanation of diolefinic compounds to produce nonconjugated acyclic nitriles and to the liquid phase process of isomerization of the nitriles to, among other things, 3- and/or 4-monoalkene linear nitriles. The improvement involves conducting the process in the presence of zero-valent nickel and a multidentate phosphite ligand.

Abstract: A process for hydrocyanation of an aliphatic monoethylenically unsaturated compound, in which the ethylenic double bond is not conjugated to any other unsaturated group in the molecule, or a monoethylenically unsaturated compound in which the ethylenic double bond is conjugated to an ester group, which process uses a catalyst composition comprising a zero-valent nickel and a multidentate phosphite ligand in the presence of a Lewis acid promoter.

Abstract: A process for hydrocyanation of an aliphatic monoethylenically unsaturated compound, in which the ethylenic double bond is not conjugated to any other unsaturated group in the molecule, or a monoethylenically unsaturated compound in which the ethylenic double bond is conjugated to an ester group, which process uses a catalyst composition comprising a zero-valent nickel and a multidentate phosphite ligand in the presence of a Lewis acid promoter.

Abstract: Improved liquid phase process useful in the hydrocyanation of diolefinic compounds to produce nonconjugated acyclic nitriles and to the liquid phase process of isomerization of the nitrites to, among other things, 3- and/or 4-monoalkene linear nitriles. The improvement involves conducting the process in the presence of zero-valent nickel and a multidentate phosphite ligand. Novel multidentate phosphite ligands and catalyst precursor compositions made therefrom are also disclosed.

Abstract: Improved liquid phase process useful in the hydrocyanation of diolefinic compounds to produce nonconjugated acyclic nitrites and to the liquid phase process of isomerization of the nitriles to, among other things, 3- and/or 4-monoalkene linear nitrites. The improvement involves conducting the process in the presence of zero-valent nickel and a multidentate phosphite ligand.

Abstract: Improved liquid phase process useful in the hydrocyanation of diolefinic compounds to produce nonconjugated acyclic nitrites and to the liquid phase process of isomerization of the nitrites to, among other things, 3- and/or 4-monoalkene linear nitrites. The improvement involves conducting the process in the presence of zero-valent nickel and a multidentate phosphite ligand. Novel multidentate phosphite ligands and catalyst precursor compositions made therefrom are also disclosed.

Abstract: A process for hydrocyanation of an aliphatic monoethylenically unsaturated compound, in which the ethylenic double bond is not conjugated to any other unsaturated group in the molecule, which process uses a catalyst composition comprising a zero-valent nickel and a multidentate phosphite ligand in the presence of a Lewis acid promoter.