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AssigneeShell Oil Company
InventorsJohn LOCKEMEYER, Randall Yeates, Thomas Szymanski, Donald Remus, William Gerdes
Estimating the term…
A catalyst which comprises a carrier and silver deposited on the carrier, which carrier has a surface area of at least 1 m2/g, and a pore size distribution such that pores with diameters in the range of from 0.2 to 10 μm represent at least 70% of the total pore volume and such pores together provide a pore volume of at least 0.27 ml/g, relative to the weight of the carrier; a process for the preparation of a catalyst which process comprises depositing silver on a carrier, wherein the carrier has been obtained by a method which comprises forming a mixture comprising: a) from 50 to 90% w of a first particulate α-alumina having an average particle size (d50) of from more than 10 up to 100 μm; and b) from 10 to 50% w of a second particulate α-alumina having an average particle size (d50) of from 1 to 10 μm; % w being based on the total weight of α-alumina in the mixture; and shaping the mixture into formed bodies and firing the formed bodies to form the carrier, and a process for the epoxidation of an olefin, which process comprises reacting an olefin with oxygen in the presence of a said catalyst.
A catalyst which comprises a carrier and silver deposited on the carrier in a quantity of at least 10 g/kg, relative to the weight of the catalyst, which carrier has a surface area of a least 1 m2/g, and a pore size distribution such that pores with diameters in the range of from 0.2 to 10 μm represent at least 70% of he total pore volume and such pores together provide a pore Volume of at least 0.27 ml/g, relative to the weight of the carrier.
A catalyst which comprises a carrier and silver deposited on the carrier, which carrier has a surface area of at least 1 m2/g, and a pore size distribution such that pores with diameters in the range of from 0.2 to 10 μm represent at least 70% of the total pore volume and such pores together provide a pore volume of at least 0.35 ml/g, relative to the weight of the carrier.
A catalyst which comprises a carrier and silver deposited on the carrier, which carrier has a surface area of at least 1 m2/g, and a pore size distribution such that pores with diameters in the range of from 0 2 to 10 μm represent at least 70% of the total pore volume and such pores together provide a pore volume of at least 0.27 ml/g, relative to the weight of the carrier, and in which carrier a bond material is incorporated which is based or a silica-containing composition comprising an inhibitor for the formation of crystalline silica-containing compositions.
A catalyst which comprises a carrier and silver deposited on the carrier, which carrier has a surface area of at least 1 m2/g, and a pore size distribution such that pores with diameters in the range of from 0.2 to 10 μm represent at least 70% of the total pore volume and such pores together provide a pore volume of at least 0.27 ml/g, relative to the weight of the carrier, and the surface of the carrier is at least partly coated with a coating which is a non-crystalline silica compound.
A catalyst which comprises a carrier and, deposited on the carrier, silver and one or more further elements selected from the group of nitrogen, sulfur, phosphorus, boron, fluorine, Group IA metals, Group IIA metals, rhenium, molybdenum, tungsten, chromium, titanium, hafnium, zirconium, vanadium thallium, thorium, tantalum, niobium, gallium and germanium and mixtures thereof, which carrier has a surface area of at least 1 m2/g, and a pore size distribution such that pores with diameters in the range of from 0.2 to 10 μm represent at least 70% of the total pore volume and such pores together provide a pore volume of at least 0.27.ml/g, relative to the weight of the carrier.
A catalyst which comprises a carrier and, deposited on the carrier silver and one or more of rhenium molybdenum, tungsten, a Group IA metal, and a nitrate- or nitrite-forming compound, which carrier has a surface area of at least 1 m2/g, and a pore size distribution such that pores with diameters in the range of from 0.2 to 10 μm represent at least 70% of the total pore volume and such pores together provide a pore volume of at least 0.27 ml/g, relative to the weight of the carrier.
A process for the preparation of a catalyst which process comprises:
A process for the preparation of a catalyst which process comprises:
A process for the preparation of a catalyst which process comprises depositing silver on a carrier, wherein the carrier has been obtained by a method which comprises forming a mixture comprising:
A process for the epoxidation of an olefin, which process comprises reacting an olefin with oxygen in the presence of a catalyst which comprises a carrier and silver deposited on the carrier in a quantity of at least 10 g/kg, relative to the weight of the catalyst, which carrier has a surface area of at least 1 m2/g, and a pore size distribution such that pores with diameters in the range of from 0.2 to 10 μm represent at least 70% of the total pore volume and such pores together provide a pore volume of at least 0.27 ml/g, relative to the weight of the carrier.
A process for the epoxidation of an olefin, which process comprises reacting an olefin with oxygen in the presence of a catalyst which comprises a carrier and silver deposited on the carrier, which carrier has a surface area of at least 1 m2,/g and a pore size distribution such that pores with diameters in the range of from 0.2 to 10 μm represent at least 70% of the total pore volume and such pores together provide a pore volume of at least 0.35 ml/g, relative to the weight of the carrier.
A process for the epoxidation of an olefin, which process comprises reacting an olefin with oxygen in the presence of a reaction modifier and in the presence of a catalyst which comprises a carrier and silver deposited on the carrier, which carrier has a surface area of at least 1 m2/g, and a pore size distribution such that pores with diameters in the range of from 0.2 to 10 μm represent at least 70% of the total pore volume and such pores together provide a pore volume of at least 0.27 ml/g, relative to the weight of the carrier.
A process for the epoxidation of an olefin, which process comprises reacting an olefin with oxygen in the presence of a catalyst which has been obtained by a process which comprises depositing silver on a carrier, wherein the carrier has been obtained by a method which comprises forming a mixture comprising
A method of using an olefin oxide for making a 1,2-diol, a 1,2-diol ether or alkanolamine comprising converting the olefin oxide into the 1,2-diol, the 1,2-diol ether or the alkanolamine wherein the olefin oxide has been obtained by a process for the epoxidation of an olefin, which process comprises reacting an olefin with oxygen in the presence of a catalyst which comprises a carrier and silver deposited on the carrier, which carrier has a surface area of at least 1 m2/g, and a pore size distribution such that pores with diameters in the range of from 0.2 to 10 μm represent at least 70% of the total pore volume and such pores together provide a pore volume of at least 0.27 ml/g, relative to the weight of the carrier.
Dependencies are inferred from the claim text.