US4670614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon conversion process
Assignee: Research Association for Petroleum Alternatives Development
•
Filing: 1985-06-13
•
Granted: 1987-06-02
•
Expires: 2005-06-13
Abstract
Abstract Provided is a process for producing gasoline having a high octane number or aromatic hydrocarbons by contacting a feed stock containing at least one aliphatic hydrocarbon having 1 to 12 carbon atoms with a catalyst at an elevated temperature said catalyst comprising a zeolite and a fluorine compound, and optionally Group Ib, IIb, IIIa, VI, VIIb or VIII metal in the Periodic Table.
Inventors
- 👤 Masaru Ushio
- 👤 Takeshi Ishii
- 👤 Hajime Okazaki
- 👤 Takashi Shoda
- 👤 Kazuya Nasuno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:36
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/40; B01J29/08; B01J29/084; B01J29/405; C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/095; B01J2229/00; B01J2229/30; B01J2229/42
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
124 words
A process for converting hydrocarbons to aromatic hydrocarbons or gasoline having a high octane number, characterized by contacting a feed stock containing at least one aliphatic hydrocarbon having 1 to 12 carbon atoms with a catalyst at an elevated temperature, said catalyst comprising a dealkalized zeolite obtained from a zeolite having a SiO 2 /Al 2 O 3 mol ratio in the range 1 to 90 and a solid fluorine compound selected from the group consisting of aluminum fluoride, ammonium fluoride, magnesium fluoride, barium fluoride, zirconium fluoride, zinc fluoride, gallium fluoride, cadmium fluoride, nickel fluoride, chromium fluoride, tin fluoride, copper fluoride, silver fluoride, rhenium fluoride, manganese fluoride, molybdenum fluoride, selenium fluoride, tellurium fluoride, tungsten fluoride, lanthanum fluoride, cerium fluoride, titanium fluoride and calcium fluoride.
Claim 2
Dependent Claim
124 words
A process for converting hydrocarbons to aromatic hydrocarbons or gasoline having a high octane number, characterized by contacting a feed stock containing at least one aliphatic hydrocarbon having 1 to 12 carbon atoms with a catalyst at an elevated temperature, said catalyst comprising a dealkalized zeolite obtained from a zeolite having a SiO 2 /Al 2 O 3 mol ratio in the range 1 to 90 and a solid fluorine compound selected from the group consisting of aluminum fluoride, ammonium fluoride, magnesium fluoride, barium fluoride, zirconium fluoride, zinc fluoride, gallium fluoride, cadmium fluoride, nickel fluoride, chromium fluoride, tin fluoride, copper fluoride, silver fluoride, rhenium fluoride, manganese fluoride, molybdenum fluoride, selenium fluoride, tellurium fluoride, tungsten fluoride, lanthanum fluoride, cerium fluoride, titanium fluoride and calcium fluoride.
Claim 3
Dependent Claim
22 words
A process as set forth in claim 1, wherein said fluorine compound is aluminum fluoride, ammonium fluoride, magnesium fluoride or zirconium fluoride.
Claim 4
Dependent Claim
24 words
A process as set forth in claim 1, wherein said feed stock comprises one or more aliphatic hydrocarbons having 2 to 4 carbon atoms.
Claim 5
Dependent Claim
18 words
A process as set forth in claim 1, wherein said feed stock is a light straight-run naphtha distillate.
Claim 6
Dependent Claim
17 words
A process as set forth in claim 1, wherein said feed stock is a reformed naphtha distillate.
Claim 7
Dependent Claim
16 words
A process as set forth in claim 1, wherein said feed stock is a thermal-cracked gasoline.
Claim 8
Dependent Claim
20 words
A process as set forth in claim 1, wherein said contact reaction is carried out in the presence of hydrogen.
Claim 9
Dependent Claim
39 words
A process as set forth in claim 1, wherein said catalyst further contains at least one member selected from Group Ib, IIb, IIIa, VI, VIIb and VIII metals in the Periodic Table and said conversion is an aromatization reaction.
Claim 10
Dependent Claim
22 words
A process as set forth in claim 8, wherein said fluorine compound is aluminum fluoride, ammonium fluoride, magnesium fluoride or zirconium fluoride.
Claim 11
Dependent Claim
34 words
A process as set forth in claim 8, wherein said metal is at least one member selected from Cu, Ag, Zn, Cd, Ga, Cr, W, Se, Te, Re, Co, Ni, Pd, Ir and Pt.
Claim 12
Dependent Claim
24 words
A process as set forth in claim 8, wherein said feed stock comprises one or more aliphatic hydrocarbons having 2 to 4 carbon atoms.
Claim 13
Dependent Claim
18 words
A process as set forth in claim 8, wherein said feed stock is a light straight-run naphtha distillate.
Claim 14
Dependent Claim
17 words
A process as set forth in claim 8, wherein said feed stock is a reformed naphtha distillate.
Claim 15
Dependent Claim
16 words
A process as set forth in claim 8, wherein said feed stock is a thermal-cracked gasoline.
Claim 16
Dependent Claim
20 words
A process as set forth in claim 8, wherein said contact reaction is carried out in the presence of hydrogen.
Claim 17
Dependent Claim
49 words
A process as set forth in claim 1, wherein said catalyst is that obtained by dealkalizing a zeolite having a SiO 2 /Al 2 O 3 mol ratio in the range of 1 to 90, contacting the dealkalized zeolite with the fluorine compound and calcining the mixture thus obtained.
References Cited (Backward Citations)
US4297335A
Cited
US4530756A
Cited
US4500421A
Cited
US4500422A
Cited
US4512876A
Cited
US4547613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-06-01 | 1990-12-01 | 1991-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-06-01 | 1994-12-01 | 1995-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-06-01 | 1998-12-01 | 1999-06-02 | $7700.00 | Window Closed / Lapsed |