Abstract: The present invention relates to new crystalline molecular sieve SSZ-75 prepared using a tetramethylene-1,4-bis-(N-methylpyrrolidinium) dication as a structure-directing agent, and its use in catalysts for hydrocarbon conversion reactions.

Abstract: The present invention relates to new crystalline, essentially all silicon oxide molecular sieve SSZ-73 prepared using a 3-ethyl-1,3,8,8-tetramethyl-3-azoniabicyclo[3.2.1]octane cation as a structure-directing agent, and its use in treating engine exhaust.

Abstract: The present invention relates to new crystalline molecular sieve SSZ-75 prepared using a tetramethylene-1,4-bis-(N-methylpyrrolidinium) dication as a structure-directing agent, and its use in catalysts for hydrocarbon conversion reactions.

Abstract: The present invention relates to new crystalline molecular sieve SSZ-75 having STI framework topology prepared using a tetramethylene-1,4-bis-(N-methylpyrrolidinium) dication as a structure-directing agent and its use in treating engine exhaust.

Abstract: The present invention relates to new crystalline molecular sieve SSZ-75 having STI framework topology prepared using a tetramethylene-1,4-bis-(N-methylpyrrolidinium) dication as a structure-directing agent and its use in catalysts for converting oxygenates, e.g., methanol, to olefins.

Abstract: The present invention relates to new crystalline molecular sieve SSZ-75 having STI topology prepared using a tetramethylene-1,4-bis-(N-methylpyrrolidinium) dication as a structure-directing agent, and its use in catalysts for making amines.

Abstract: A process for reduction of oxides of nitrogen contained in a gas stream comprising contacting the gas stream with a boron-containing molecular sieve, the boron-containing molecular sieve having the CHA crystal structure and comprising (1) silicon oxide and (2) boron oxide or a combination of boron oxide and aluminum oxide, iron oxide, titanium oxide, gallium oxide and mixtures thereof; and wherein the mole-ratio of silicon oxide to boron oxide in said boron-containing molecular sieve is between 15 and 125. A method for reduction of oxides of nitrogen, comprising a) selecting the boron-containing molecular sieve; and b) contacting a gas stream with the molecular sieve. A method for reduction of oxides, comprising: a) selecting the boron-containing molecular sieve containing a metal or metal ions capable of catalyzing the reduction of the oxides of nitrogen; and b) contacting an exhaust stream of an internal combustion engine with the molecular sieve.

Abstract: An all-silica zeolite having the IFR framework topology can be directly synthesized by preparing a reaction mixture comprising (1) an active source of silicon oxide, (2) a structure directing agent comprising a N-benzyl-1,4-diazabicyclo[2.2.2] octane cation, (3) an active source of hydroxide and (4) water and maintaining the reaction mixture under conditions sufficient to form crystals of the zeolite.

Abstract: A boron-containing molecular sieve having the CHA crystal structure and comprising (1) silicon oxide and (2) boron oxide or a combination of boron oxide and aluminum oxide, iron oxide, titanium oxide, gallium oxide and mixtures thereof is prepared using a quaternary ammonium cation derived from 1-adamantamine, 3-quinuclidinol or 2-exo-aminonorbornane as structure directing agent. The molecular sieve can be used for gas separation or in catalysts to prepare methylamine or dimethylamine, to convert oxygenates (e.g., methanol) to light olefins, or for the reduction of oxides of nitrogen n a gas stream (e.g., automotive exhaust).

Abstract: The present invention relates to new crystalline, essentially all silicon oxide molecular sieve SSZ-73 prepared using a 3-ethyl-1,3,8,8-tetramethyl-3-azoniabicyclo[3.2.1]octane cation as a structure-directing agent, and its use in treating engine exhaust.

Abstract: The present invention relates to new crystalline molecular sieve SSZ-74 prepared using an hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium) dication as a structure-directing agent, and processes employing SSZ-74 in a catalyst.

Abstract: The present invention relates to new crystalline molecular sieve SSZ-74 prepared using a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium) dication as a structure-directing agent, and its use in treating engine exhaust.

Abstract: The present invention relates to new crystalline molecular sieve SSZ-74 prepared using a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium)dication as a structure-directing agent, and its use in gas separations.

Abstract: The present invention relates to new crystalline molecular sieve SSZ-74 prepared using a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium) dication as a structure-directing agent, and methods for synthesizing SSZ-74.

Abstract: The present invention relates to new crystalline molecular sieve SSZ-74 prepared using a hexamethylene-1,6-bis-(N-methyl-N pyrrolidinium) dication as a structure-directing agent, methods for synthesizing SSZ-74 and processes employing SSZ-74 in a catalyst.

Abstract: The present invention relates to new crystalline molecular sieve SSZ-74 prepared using a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium) dication as a structure directing agent, and its use in catalysts for converting oxygenates, e.g., methanol, to olefins.

Abstract: The present invention relates to new crystalline molecular sieve SSZ-74 prepared using a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium)dication as a structure-directing agent, and its use in catalysts for synthesizing amines.

Abstract: The present invention relates to new crystalline molecular sieve SSZ-74 prepared using a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium) dication as a structure-directing agent, and its use in catalysts for Beckmann rearrangement.

Abstract: The present invention relates to new crystalline molecular sieve SSZ-74 prepared using a hexamethylene-1,6-bis-(N-methyl N pyrrolidinium) dication as a structure-directing agent, and processes employing SSZ-74 in a catalyst,

Abstract: The present invention relates to new crystalline molecular sieve SSZ-74 prepared using a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium)dication as a structure-directing agent, and its use in the reduction of oxides of nitrogen in a gas stream such as the exhaust from an internal combustion engine.