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US4925820A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydrocarbon conversion process and catalysts

Assignee: Shell USA Inc
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Filing: 1989-04-28
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Granted: 1990-05-15
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Expires: 2009-04-28
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Abstract

Abstract A process for converting hydrocarbon oils into products of low average molecular weight and lower average boiling point comprising contacting a hydrocarbon oil at elevated temperature and pressure in the presence of hydrogen with a catalyst comprising a modified Y zeolite having a unit cell size below 24.45 Å, a degree of crystallinity which is at least retained at increasing SiO 2 /Al 2 O 3 molar ratios, a water adsorption capacity (at 25° C. and a p/p o value of 0.2) of at least 8% by weight of modified zeolite and a pore volume of at least 0.25 ml/g wherein between 10% and 60% of the total pore volume is made up of pores having a diameter of at least 8 nm, an amorphous cracking component, a binder and at least one hydrogenation component of a Group VI metal and/or at least one hydrogenation component of a Group VIII metal. The invention also relates to catalyst compositions suitable for use in said process.

Inventors

  • 👤 Arend Hoek
  • 👤 Tom Huizinga
  • 👤 Ian E. Maxwell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 14:39
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/16; C10G47/20; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/08; B01J29/16; B01J29/166

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 145 words
A catalyst composition comprising a modified Y zeolite having a unit cell size below 24.45 Å, a degree of crystallinity which is at least retained at increasing SiO 2 /Al 2 O 3 molar ratios, a water adsorption capacity (at 25° C. and p/p o value of 0.2) between 10% and 15% by weight of modified zeolite and a pore volume of at least 0.25 ml/g wherein between 10% and 60% of the total pore volume is made up of pores having a diameter of at least 8 nm, an amorphous cracking component, a binder and at least one hydrogenation component of a Group VI metal and/or at least one hydrogenation component of a Group VIII metal, and wherein 50-90% by weight of the catalyst is made up of modified Y zeolite and amorphous cracking component and 10-50% by weight is made up of binder.
Claim 2
Dependent Claim 145 words
A catalyst composition comprising a modified Y zeolite having a unit cell size below 24.45 Å, a degree of crystallinity which is at least retained at increasing SiO 2 /Al 2 O 3 molar ratios, a water adsorption capacity (at 25° C. and p/p o value of 0.2) between 10% and 15% by weight of modified zeolite and a pore volume of at least 0.25 ml/g wherein between 10% and 60% of the total pore volume is made up of pores having a diameter of at least 8 nm, an amorphous cracking component, a binder and at least one hydrogenation component of a Group VI metal and/or at least one hydrogenation component of a Group VIII metal, and wherein 50-90% by weight of the catalyst is made up of modified Y zeolite and amorphous cracking component and 10-50% by weight is made up of binder.
Claim 3
Dependent Claim 34 words
The catalyst composition according to claim 1, wherein 60-85% by weight of the catalyst is made up of modified Y zeolite and amorphous cracking component and 15-40% by weight is made up of binder.
Claim 4
Dependent Claim 35 words
The catalyst composition according to claim 1, wherein between 10% and 40% of the total pore volume of the modified Y zeolite is made up of pores having a diameter of at least 8 nm.
Claim 5
Dependent Claim 23 words
The catalyst composition according to any one of claims 1-3, wherein the modified Y zeolite has a unit cell size below 24.40 Å.
Claim 6
Dependent Claim 23 words
The catalyst composition according to any one of claims 1-3 wherein the modified Y zeolite has a unit cell size below 24.35 Å.
Claim 7
Dependent Claim 34 words
The catalyst composition according to any one of claims 1-3, wherein the amount of modified Y zeolite ranges between 5 and 85% of the combined amount of modified Y zeolite and amorphous cracking component.
Claim 8
Dependent Claim 17 words
The catalyst composition according to claim 6, wherein the amorphous cracking component is a silica-based cracking component.
Claim 9
Dependent Claim 20 words
The catalyst composition according to claim 6, wherein the modified Y zeolite has a unit cell size below 24.40 Å.
Claim 10
Dependent Claim 20 words
The catalyst composition according to claim 6, wherein the modified Y zeolite has a unit cell size below 24.35 Å.
Claim 11
Dependent Claim 36 words
The catalyst composition according to any one of claims 7 or 8, wherein the amount of modified Y zeolite ranges between 10 and 75% of the combined amount of modified Y zeolite and amorphous cracking component.
Claim 12
Dependent Claim 30 words
The catalyst composition according to any one of claims 1-3, wherein the modified Y zeolite has a SiO 2 /Al 2 O 3 molar ratio of from 4 to 25.
Claim 13
Dependent Claim 23 words
The catalyst composition according to any one of claims 1-3, wherein the modified Y zeolite has a Si02/A1203 molar ratio of from 8-15.
Claim 14
Dependent Claim 42 words
The catalyst composition according to any one of claims 1-3, wherein the catalyst comprises between 0.05 and 10% by weight of nickel and between 2 and 40% by weight of tungsten, calculated as metals per 100 parts by weight of total catalyst.
Claim 15
Dependent Claim 213 words
A catalyst composition comprising a modified Y zeolite having a unit cell size below about 24.45 Å, a degree of crystallinity which is at least retained at increasing SiO 2 /Al 2 O 3 molar ratios, a SiO 2 /Al 2 O 3 molar ratio between about 8 to about 15, a water adsorption capacity (at 25° C. and a p/p o value of 0.2) of between about 10-15% by weight of modified zeolite and a pore volume of at least about 0.25 ml/g wherein between about 10 to about 40% of the total pore volume is made up of pores having a diameter of at least about 8 nm; an amorphous cracking component comprising a silica-alumina containing 50-95% by weight of silica; a binder comprising alumina; from about 0.05 to about 10 percent by weight of nickel and from about 2 to about 40 percent by weight of tungsten, calculated as metals per 100 parts by weight of total catalyst, wherein the modified Y zeolite and amorphous cracking component comprises about 60-85% by weight of the total catalyst, the binder comprises about 15-40% by weight of the total catalyst and the amount of modified Y zeolite ranges between about 10-75% of the combined amount of modified Y zeolite and amorphous cracking component.
Claim 16
Dependent Claim 213 words
A catalyst composition comprising a modified Y zeolite having a unit cell size below about 24.45 Å, a degree of crystallinity which is at least retained at increasing SiO 2 /Al 2 O 3 molar ratios, a SiO 2 /Al 2 O 3 molar ratio between about 8 to about 15, a water adsorption capacity (at 25° C. and a p/p o value of 0.2) of between about 10-15% by weight of modified zeolite and a pore volume of at least about 0.25 ml/g wherein between about 10 to about 40% of the total pore volume is made up of pores having a diameter of at least about 8 nm; an amorphous cracking component comprising a silica-alumina containing 50-95% by weight of silica; a binder comprising alumina; from about 0.05 to about 10 percent by weight of nickel and from about 2 to about 40 percent by weight of tungsten, calculated as metals per 100 parts by weight of total catalyst, wherein the modified Y zeolite and amorphous cracking component comprises about 60-85% by weight of the total catalyst, the binder comprises about 15-40% by weight of the total catalyst and the amount of modified Y zeolite ranges between about 10-75% of the combined amount of modified Y zeolite and amorphous cracking component.
Claim 17
Dependent Claim 20 words
The catalyst composition of claim 14 wherein the modified Y zeolite has a unit cell size below about 24.40 Å.
Claim 18
Dependent Claim 20 words
The catalyst composition of claim 14 wherein the modified Y zeolite has a unit cell size below about 24.35 Å.

References Cited (Backward Citations)

US3391075A Cited
US3875081A Cited
US3778365A Cited
US3887630A Cited
US4148759A Cited
US4259212A Cited
US4563434A Cited
US4663025A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-05-14 1993-11-13 1994-05-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-05-14 1997-11-13 1998-05-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-05-14 2001-11-13 2002-05-15 $7700.00 Window Closed / Lapsed

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