US4020011A
Expired / Lapsed
US
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Method for preparing hydrocarbon conversion catalyst
Assignee: Tonen General Sekiyu KK
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Filing: 1975-04-10
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Granted: 1977-04-26
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Expires: 1995-04-10
Abstract
Abstract Improved distribution of the tin component of a hydrocarbon conversion catalyst also containing a Group VIII noble metal and halogen on a refractory carrier is obtained by impregnation of the carrier with a solution comprising an organic solvent containing a hydrogen halide and a soluble compound of tin.
Inventors
- 👤 Eiichiroh Nishikawa
- 👤 Takuji Itoh
- 👤 Tadashi Miura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:05
CPC Classifications
B; B01; B01J; B01J35/00; B01J35/60; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/62; B01J23/622; B01J23/626; B01J37/00; B01J37/22; C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09; B01J35/30; B01J35/396; B01J35/399; B01J35/61; B01J35/615; B01J35/63; B01J35/633; B01J35/635; B01J35/64; B01J35/647
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
91 words
In a method for preparing a hydrocarbon conversion catalyst comprising from about 0.01 to about 3 weight % of a Group VIII noble metal component, from about 0.1 to about 5 weight % of a halogen component and a tin component composited with a refractory carrier, the improvement which comprises compositing said tin component with said carrier by impregnating said carrier or the carrier which supports the said noble metal component and/or halogen component with a solution comprising an organic solvent containing a hydrogen halide and a soluble compound of tin.
Claim 2
Dependent Claim
91 words
In a method for preparing a hydrocarbon conversion catalyst comprising from about 0.01 to about 3 weight % of a Group VIII noble metal component, from about 0.1 to about 5 weight % of a halogen component and a tin component composited with a refractory carrier, the improvement which comprises compositing said tin component with said carrier by impregnating said carrier or the carrier which supports the said noble metal component and/or halogen component with a solution comprising an organic solvent containing a hydrogen halide and a soluble compound of tin.
Claim 3
Dependent Claim
14 words
The method of claim 1 wherein said Group VIII noble metal component is platinum.
Claim 4
Dependent Claim
13 words
The method of claim 1 wherein said halogen component is chlorine or fluorine.
Claim 5
Dependent Claim
22 words
The method of claim 1 wherein said solution comprises from about 0.01 to 2 weight % of said soluble compound of tin.
Claim 6
Dependent Claim
14 words
The method of claim 4 wherein said soluble compound of tin is stannous chloride.
Claim 7
Dependent Claim
14 words
The method of claim 4 wherein said soluble compound of tin is stannic chloride.
Claim 8
Dependent Claim
26 words
The method of claim 1 wherein said organic solvent is selected from the group consisting of alcohols, ketones, ethers, amines, acetamides, sulfoxides, sulforanes and mixtures thereof.
Claim 9
Dependent Claim
13 words
The method of claim 7 wherein said organic solvent is an aliphatic alcohol.
Claim 10
Dependent Claim
11 words
The method of claim 8 wherein said organic solvent is methanol.
Claim 11
Dependent Claim
10 words
The method of claim 1 wherein said carrier comprises alumina.
Claim 12
Dependent Claim
33 words
The method of claim 10 wherein said alumina has a pore size distribution such that pores having a diameter of at least 60A occupy at least about 60% of the total pore volume.
Claim 13
Dependent Claim
13 words
A method according to claim 1 wherein said hydrogen halide is hydrogen chloride.
Claim 14
Independent Claim
93 words
A method for preparing a hydrocarbon conversion catalyst which comprises the following steps in combination: 1. impregnating a refractory carrier with an aqueous halogen acid solution comprising from about 0.01 to 2 weight % of a Group VIII noble metal compound; 2. washing and drying the impregnated carrier from step (1); 3. impregnating the product of step (2) with a solution comprising an organic solvent containing a hydrogen halide and from about 0.01 to 2 weight % of a soluble compound of tin; and 4. washing and drying the product of step (3).
Claim 15
Independent Claim
93 words
A method for preparing a hydrocarbon conversion catalyst which comprises the following steps in combination: 1. impregnating a refractory carrier with an aqueous halogen acid solution comprising from about 0.01 to 2 weight % of a Group VIII noble metal compound; 2. washing and drying the impregnated carrier from step (1); 3. impregnating the product of step (2) with a solution comprising an organic solvent containing a hydrogen halide and from about 0.01 to 2 weight % of a soluble compound of tin; and 4. washing and drying the product of step (3).
Claim 16
Dependent Claim
24 words
The method of claim 13 wherein said aqueous halogen acid solution is a hydrochloric acid solution and said Group VIII noble metal is platinum.
Claim 17
Dependent Claim
18 words
The method of claim 13 wherein said tin compound is stannous chloride and said organic solvent is methanol.
Claim 18
Dependent Claim
14 words
The method of claim 13 wherein said soluble compound of tin is stannic chloride.
Claim 19
Dependent Claim
26 words
The method of claim 13 wherein said organic solvent is selected from the group consisting of alcohols, ketones, ethers, amines, acetamides, sulfoxides, sulforanes and mixtures thereof.
Claim 20
Dependent Claim
29 words
The method of claim 13 wherein said Group VIII noble metal is platinum, said organic solvent is methanol, said hydrogen halide is hydrogen chloride and said carrier comprises alumina.
Claim 21
Independent Claim
74 words
A method for preparing a hydrocarbon conversion catalyst which comprises the following steps in combination: 1. impregnating a refractory carrier with a solution comprising an organic solvent containing a hydrogen halide, from about 0.01 to 2 weight % of a soluble compound of a Group VIII noble metal and from about 0.01 to 2 to weight % of a soluble compound of tin; and 2. washing and drying the impregnated carrier from step (1).
Claim 22
Independent Claim
74 words
A method for preparing a hydrocarbon conversion catalyst which comprises the following steps in combination: 1. impregnating a refractory carrier with a solution comprising an organic solvent containing a hydrogen halide, from about 0.01 to 2 weight % of a soluble compound of a Group VIII noble metal and from about 0.01 to 2 to weight % of a soluble compound of tin; and 2. washing and drying the impregnated carrier from step (1).
Claim 23
Dependent Claim
42 words
The method of claim 19 wherein said Group VIII noble metal is platinum, said soluble compound of tin is stannous chloride and said organic solvent is selected from the group consisting of alcohols, ketones, ethers, amines, acetamides, sulfoxides, sulforanes and mixtures thereof.
Claim 24
Dependent Claim
38 words
The method of claim 1 wherein said catalyst comprises a third metallic component selected from the group consisting of Group I metals, Group II metals, Group IV metals, Group VI metals, Group VII metals and Group VIII metals.
References Cited (Backward Citations)
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Cited
US3764557A
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US3759841A
Cited
US3745112A
Cited
US3868317A
Cited
US3898154A
Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-04-25 | 1980-10-25 | 1981-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-25 | 1984-10-25 | 1985-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-25 | 1988-10-25 | 1989-04-26 | $7700.00 | Window Closed / Lapsed |