US4049575A — Process of producing antimony-containing oxide ca…

Claim 1

Independent Claim 200 words

A process for producing a catalyst comprising an antimony-containing oxide which comprises the steps of (A) calcining a mixture of metal oxides containing, as essential components, an oxide of antimony and an oxide of at least one metal selected from the group consisting of iron, cobalt, nickel, manganese, uranium, tin and copper, said calcining being at temperatures of from about 500° C. to about 1000° C.; (B) impregnating with or spraying onto said calcined mixture of metal oxides (a) an aqueous solution or a suspension containing (1) at least one compound of a metal selected from the group consisting of molybdenum, vanadium and tungsten, said metal compound being thermally convertible to an oxide of said metal, and (2) a tellurium compound, said tellurium compound being thermally convertible to a tellurium oxide, or (b) an aqueous solution or a suspension containing said metal compound (1) and an aqueous solution or a suspension containing said tellurium compound (2); (C) drying said impregnated or sprayed mixture of metal oxides; and (D) calcining said dried mixture of metal oxides at a temperature of from about 400° C. to about 850° C., where said calcining (D) is at a temperature lower than said calcining (A).

Claim 2

Dependent Claim 200 words

A process for producing a catalyst comprising an antimony-containing oxide which comprises the steps of (A) calcining a mixture of metal oxides containing, as essential components, an oxide of antimony and an oxide of at least one metal selected from the group consisting of iron, cobalt, nickel, manganese, uranium, tin and copper, said calcining being at temperatures of from about 500° C. to about 1000° C.; (B) impregnating with or spraying onto said calcined mixture of metal oxides (a) an aqueous solution or a suspension containing (1) at least one compound of a metal selected from the group consisting of molybdenum, vanadium and tungsten, said metal compound being thermally convertible to an oxide of said metal, and (2) a tellurium compound, said tellurium compound being thermally convertible to a tellurium oxide, or (b) an aqueous solution or a suspension containing said metal compound (1) and an aqueous solution or a suspension containing said tellurium compound (2); (C) drying said impregnated or sprayed mixture of metal oxides; and (D) calcining said dried mixture of metal oxides at a temperature of from about 400° C. to about 850° C., where said calcining (D) is at a temperature lower than said calcining (A).

Claim 3

Dependent Claim 120 words

The process according to claim 1, wherein at least one of said aqueous solution or suspension containing said at least one compound of a metal selected from the group consisting of molybdenum, vanadium and tungsten and said tellurium compound, said aqueous solution or suspension containing said at least one compound of a metal selected from the group consisting of molybdenum, vanadium and tungsten, and said aqueous solution or suspension of said tellurium compound additionally contains at least one compound of an additional metal selected from the group consisting of iron, cobalt, nickel, manganese, copper, zinc, potassium, magnesium, aluminum, zirconium, bismuth, lanthanum, cerium, chromium, phosphorus and boron, said additional metal compound being thermally convertible to an oxide of said additional metal.

Claim 4

Dependent Claim 148 words

The process according to claim 1, wherein the catalyst produced is represented by the empirical formula: Me.sub.a Sb.sub.b X.sub.c Te.sub.d R.sub.e O.sub.f wherein Me is at least one component selected from the group consisting of Fe, Co, Ni, Mn, U, Sn and Cu; X is at least one component selected from the group consisting of Mo, V and W; R is at least one component selected from the group consisting of Zn, K, Mg, Al, Zr, Bi, La, Ce, Cr, P and B; and the subscripts a, b, c, d, e and f each represents the atomic ratio of the component with which the subscript is associated in which: when a is 10, b = about 5-60 c = about 0.05-30 d = about 0.05-10 e = about 0-20, and f = the number of oxygens corresponding to the oxides formed by each of the components described above.

Claim 5

Dependent Claim 148 words

The process according to claim 2, wherein the catalyst produced is represented by the empirical formula: Me.sub.a Sb.sub.b X.sub.c Te.sub.d R.sub.e O.sub.f wherein Me is at least one component selected from the group consisting of Fe, Co, Ni, Mn, U, Sn and Cu; X is at least one component selected from the group consisting of Mo, V and W; R is at least one component selected from the group consisting of Zn, K, Mg, Al, Zr, Bi, La, Ce, Cr, P and B; and the subscripts a, b, c, d, e and f each represents the atomic ratio of the component with which the subscript is associated in which: when a is 10, b = about 5-60. c = about 0.05-30 d = about 0.05-10 e = about 0-20, and f = the number of oxygens corresponding to the oxides formed by each of the corresponding described above.

Claim 6

Dependent Claim 144 words

The process according to claim 3, wherein the catalyst produced is represented by the empirical formula: Me.sub.a Sb.sub.b X.sub.c Te.sub.d R.sub.e O.sub.f wherein Me is at least one component selected from the group consisting of Fe, Co, Ni, Mn, U, Sn and Cu; X is at least one component selected from the group consisting of Mo, V and W; R is at least one component selected from the group consisting of Zn, K, Mg, Al, Zr, Bi, La, Ce, Cr, P and B; and the subscripts a, b, c, d, e and f each represent the atomic ratio of the component with which the subscript is associated in which: when a is 10, b = 5-60 c = 0.1-15 d = 0.1-5 e = 0-10, and f = the number of oxygens corresponding to the oxides formed by each of the corresponding described above.

Claim 7

Dependent Claim 144 words

The process according to claim 4, wherein the catalyst produced is represented by the empirical formula: Me.sub.a Sb.sub.b X.sub.c Te.sub.d R.sub.e O.sub.f wherein Me is at least one component selected from the group consisting of Fe, Co, Ni, Mn, U, Sn and Cu; X is at least one component selected from the group consisting of Mo, V and W; R is at least one component selected from the group consisting of Zn, K, Mg, Al, Zr, Bi, La, Ce, Cr, P and B; and the subscribers a, b, c, d, e and f each represent the atomic ratio of the component with which the subscriber is associated in which: when a is 10, b = 5-60 c = 0.1-15 d = 0.1-5 e = 0-10, and f = the number of oxygens corresponding to the oxides formed by each of the components described above.

Claim 8

Dependent Claim 18 words

The process according to claim 1, wherein said mixture of metal oxides is carried on an inert carrier.

Claim 9

Dependent Claim 19 words

The process according to claim 2, wherein mixture mixture of metal oxides is carried out on an inert carrier.

Claim 10

Dependent Claim 12 words

The process according to claim 7, wherein said inert carrier is silica.

Claim 11

Dependent Claim 12 words

The process according to claim 8, wherein said inert carrier is silica.

Claim 12

Dependent Claim 183 words

A process for reactivating a catalyst comprising a metal oxide mixture containing, as essential components, an oxide of antimony and an oxide of at least one metal selected from the group consisting of iron, cobalt, nickel, manganese, uranium, tin and copper, and further containing, as additive components, (1) an oxide of at least one metal selected from the group consisting of molybdenum, vanadium, and tungsten and (2) an oxide of tellurium, which comprises impregnating with or spraying onto said catalyst having reduced catalytic activity, (a) an aqueous solution or a suspension containing (1) at least one compound of a metal selected from the group consisting of molybdenum, vanadium and tungsten, said metal compound being thermally convertible to an oxide of said metal, and (2) a tellurium compound, said tellurium compound being thermally convertible to a tellurium oxide, or (b) an aqueous solution or a suspension containing said metal compound (1) and an aqueous solution or a suspension containing said tellurium compound (2); drying the thus-obtained catalyst; and calcining the thus-obtained catalyst at a temperature of from about 400° C. to about 850° C.

Claim 13

Dependent Claim 183 words

A process for reactivating a catalyst comprising a metal oxide mixture containing, as essential components, an oxide of antimony and an oxide of at least one metal selected from the group consisting of iron, cobalt, nickel, manganese, uranium, tin and copper, and further containing, as additive components, (1) an oxide of at least one metal selected from the group consisting of molybdenum, vanadium, and tungsten and (2) an oxide of tellurium, which comprises impregnating with or spraying onto said catalyst having reduced catalytic activity, (a) an aqueous solution or a suspension containing (1) at least one compound of a metal selected from the group consisting of molybdenum, vanadium and tungsten, said metal compound being thermally convertible to an oxide of said metal, and (2) a tellurium compound, said tellurium compound being thermally convertible to a tellurium oxide, or (b) an aqueous solution or a suspension containing said metal compound (1) and an aqueous solution or a suspension containing said tellurium compound (2); drying the thus-obtained catalyst; and calcining the thus-obtained catalyst at a temperature of from about 400° C. to about 850° C.

Claim 14

Dependent Claim 120 words

The process according to claim 11, wherein at least one of said aqueous solution or suspension containing said at least one compound of a metal selected from the group consisting of molybdenum, vanadium and tungsten and said tellurium compound, said aqueous solution or suspension containing said at least one compound of a metal selected from the group consisting of molybdenum, vanadium and tungsten, and said aqueous solution or suspension containing said tellurium compound additionally contains at least one compound of an additional metal selected from the group consisting of iron, cobalt, nickel, manganese, copper, zinc, potassium, magnesium, aluminum, zirconium, bismuth, lanthanum, cerium, chronium, phosphorus and boron, said additional metal compound being thermally convertible to an oxide of said additional metal.

Claim 15

Dependent Claim 148 words

The process according to claim 11, wherein the catalyst produced is represented by the empirical formula: Me.sub.a Sb.sub.b X.sub.c Te.sub.d R.sub.e O.sub.f wherein Me is at least one component selected from the group consisting of Fe, Co, Ni, Mn, U, Sn and Cu; X is at least one component selected from the group consisting of Mo, V and W; R is at least one component selected from the group consisting of Zn, K, Mg, Al, Zr, Bi, La, Ce, Cr, P and B; and the subscripts a, b, c, d, e and f each represents the atomic ratio of the component with which the subscript is associated in which: when a is 10, b = about 5-60 c = about 0.05-30 d = about 0.05-10 e = about 0-20, and f = the number of oxygens corresponding to the oxides formed by each of the components described above.

Claim 16

Dependent Claim 148 words

The process according to claim 12, wherein the catalyst produced is represented by the empirical formula: Me.sub.a Sb.sub.b X.sub.c Te.sub.d R.sub.e O.sub.f wherein Me is at least one component selected from the group consisting of Fe, Co, Ni, Mn, U, Sn and Cu; X is at least one component selected from the group consisting of Mo, V and W; R is at least one component selected from the group consisting of Zn, K, Mg, Al, Zr, Bi, La, Ce, Cr, P and B; and the subscripts a, b, c, d, e and f each represents the atomic ratio of the component with which the subscript is associated in which: when a is 10, b = about 5-60 c = about 0.05-30 d = about 0.05-10 e = about 0-20, and f = the number of oxygens corresponding to the oxides formed by each of the components described above.

Claim 17

Dependent Claim 144 words

The process according to claim 13, wherein the catalyst produced is represented by the empirical formula: Me.sub.a Sb.sub.b X.sub.c Te.sub.d R.sub.e O.sub.f wherein Me is at least one component selected from the group consisting of Fe, Co, Ni, Mn, U, Sn and Cu; X is at least one component selected from the group consisting of Mo, V and W; R is at least one component selected from the group consisting of Zn, K, Mg, Al, Zr, Bi, La, Ce, Cr, P and B; and the subscripts a, b, c, d, e and f each represents the atomic ratio of the component with which the subscript is associated in which: when a is 10, b = 5-60 c = 0.1-15 d = 0.1-5 e = 0-10, and f = the number of oxygens corresponding to the oxides formed by each of the components described above.

Claim 18

Dependent Claim 144 words

The process according to claim 14, wherein the catalyst produced is represented by the empirical formual: Me.sub.a Sb.sub.b X.sub.c Te.sub.d R.sub.e O.sub.f wherein Me is at least one component selected from the group consisting of Fe, Co, Ni, Mn, U, Sn and Cu; X is at least one component selected from the group consisting of Mo, V and W; R is at least one component selected from the group consisting of Zn, K, MG, Al, Zr, Be, La, Ce, Cr, P and B; and the subscripts a, b, c, d, e, and f each represents the atomic ratio of the component with which the subscript is associated in which: when a is 10, b = 5-60 c = 0.1-15 d = 0.1-5 e = 0-10, and f = the number of oxygens corresponding to the oxides formed by each of the components described above.

Claim 19

Dependent Claim 15 words

The process according to claim 11, wherein said catalyst is carried on an inert carrier.

Claim 20

Dependent Claim 15 words

The process according to claim 12, wherein said catalyst is carried on an inert carrier.

Claim 21

Dependent Claim 12 words

The process according to claim 17, wherein said inert carrier is silica.

Claim 22

Dependent Claim 12 words

The process according to claim 18, wherein said inert carrier is silica.

Claim 23

Dependent Claim 49 words

The process according to claim 1, wherein said impregnating with or spraying onto of said mixture of metal oxides is with said aqueous solution or suspension containing said at least one compound of a metal selected from the group consisting of molybdenum, vanadium and tungsten and said tellurium compound.

Claim 24

Dependent Claim 49 words

The process according to claim 11, wherein said impregnating with or spraying onto of said mixture of metal oxides is with said aqueous solution or suspension containing said at least one compound of a metal selected from the group consisting of molybdenum, vanadium and tungsten and said tellurium compound.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1980-09-19	1981-03-21	1981-09-20	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1984-09-19	1985-03-21	1985-09-20	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1988-09-19	1989-03-21	1989-09-20	$7700.00	Window Closed / Lapsed

Process of producing antimony-containing oxide catalysts

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