US4081490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon conversion over ZSM-35
Assignee: Mobil Oil AS
•
Filing: 1976-11-08
•
Granted: 1978-03-28
•
Expires: 1996-11-08
Abstract
Abstract Catalytic conversion of hydrocarbon compounds in the presence of crystalline zeolite ZSM-35, or a thermal decomposition product thereof, is provided. Zeolite ZSM-35 has a composition, in the anhydrous state, expressed in terms of mole ratios of oxides as follows:
Inventors
- 👤 Charles J. Plank
- 👤 Edward J. Rosinski
- 👤 Mae K. Rubin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:30
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/32; C07C5/373; C07C5/393; C07C5/41; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/65; C01; C01B; C01B39/00; C01B39/02; C01B39/44; C01B39/445
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
100 words
A process for effecting catalytic conversion of a hydrocarbon compound charge which comprises contacting said charge under catalytic conversion conditions with a catalyst comprising a synthetic crystalline aluminosilicate zeolite having a composition expressed in terms of mole ratios of oxides in the anhydrous state as follows: (0.3-2.5)R.sub.2 O:(0-0.8)M.sub.2 O : Al.sub.2 O.sub.3 : (x) SiO.sub.2 wherein R is an organic nitrogen-containing cation derived from ethylenediamine or pyrrolidine, M is an alkali metal cation and x is greater than 8 and having an X-ray powder diffraction pattern as shown in Table 1 of the specification, or a thermal decomposition product thereof.
Claim 2
Dependent Claim
100 words
A process for effecting catalytic conversion of a hydrocarbon compound charge which comprises contacting said charge under catalytic conversion conditions with a catalyst comprising a synthetic crystalline aluminosilicate zeolite having a composition expressed in terms of mole ratios of oxides in the anhydrous state as follows: (0.3-2.5)R.sub.2 O:(0-0.8)M.sub.2 O : Al.sub.2 O.sub.3 : (x) SiO.sub.2 wherein R is an organic nitrogen-containing cation derived from ethylenediamine or pyrrolidine, M is an alkali metal cation and x is greater than 8 and having an X-ray powder diffraction pattern as shown in Table 1 of the specification, or a thermal decomposition product thereof.
Claim 3
Dependent Claim
43 words
The process of claim 1 wherein said catalyst has a composition in terms of mole ratios of oxides in the anhydrous state as follows: (0.4-2.5)R.sub.2 O: (0-0.6)M.sub.2 O: Al.sub.2 O.sub.3 : (y) SiO.sub.2 wherein y is from greater than 8 to about 50.
Claim 4
Dependent Claim
14 words
The process of claim 1 wherein R is the organic cation derived from ethylenediamine.
Claim 5
Dependent Claim
14 words
The process of claim 1 wherein R is the organic cation derived from pyrrolidine.
Claim 6
Dependent Claim
61 words
The process of claim 1 wherein the catalyst has its original cations replaced, at least in part, by ion exchange with a cation or a mixture of cations selected from the group consisting of hydrogen and hydrogen precursors, rare earth metals, and metals from Groups IIA, IIIA, IVA, IB, IIB, IIIB, IVB, VIB and VIII of the Periodic Table of Elements.
Claim 7
Dependent Claim
26 words
The process of claim 5 wherein said catalyst has its original cations replaced, at least in part, by ion exchange with hydrogen or hydrogen precursor cations.
Claim 8
Dependent Claim
25 words
The process of claim 5 wherein said catalyst has its original cations replaced, at least in part, by ion exchange with rare earth metal cations.
Claim 9
Dependent Claim
70 words
The process of claim 1 wherein said catalyst conversion is conducted in a flow apparatus and said conversion conditions include a temperature of from about 100° F to about 1,200° F, a pressure of from about atmospheric to about 10,000 psig, a hydrogen/hydrocarbon compound ratio of from 0 to about 20,000 scf/bbl and a liquid hourly space velocity of from about 0.1 hr -1 to about 50 hr -1 .
Claim 10
Dependent Claim
64 words
The process of claim 1 wherein said catalytic conversion is conducted in a batch apparatus and said conversion conditions include a temperature of from about 100° F to about 1,200° F, pressure of from about atmospheric to about 10,000 psig, a hydrogen/hydrocarbon compound ratio of from 0 to about 20,000 scf/bbl and a contact time of from about 0.01 hour to about 48 hours.
Claim 11
Dependent Claim
69 words
The process of claim 8 wherein said conversion is aromatization of paraffins and said conversion conditions include a temperature of from about 600° F to about 1,200° F, a pressure of from about 50 psig to about 10,000 psig, a hydrogen/hydrocarbon ratio of from about 50 scf/bbl to about 10,000 scf/bbl and a liquid hourly space velocity of from about 0.1 hr -1 to about 10 hr -1 .
Claim 12
Dependent Claim
64 words
The process of claim 9 wherein said conversion is aromatization of paraffins and said conversion conditions include a temperature of from about 600° F to about 1,200° F, a pressure of from about 50 psig to about 10,000 psig, a hydrogen/hydrocarbon ratio of from about 50 scf/bbl to about 10,000 scf/bbl and a contact time of from about 0.1 hour to about 48 hours.
Claim 13
Dependent Claim
54 words
The process of claim 8 wherein said conversion is cracking and said conversion conditions include a temperature of from about 700° F to about 1,200° F, a pressure of from about atmospheric to about 200 psig and a liquid hourly space velocity of from about 0.5 hr -1 to about 50 hr -1 .
Claim 14
Dependent Claim
49 words
The process of claim 9 wherein said conversion is cracking and said conversion conditions include a temperature of from about 700° F to about 1,200° F, a pressure of from about atmospheric to about 200 psig and a contact time of from about 0.01 hour to about 24 hours.
References Cited (Backward Citations)
US3923639A
Cited
US3700585A
Cited
US3783124A
Cited
US3804746A
Cited
US3687839A
Cited
US3748251A
Cited
US3790474A
Cited
US3968024A
Cited
US3843741A
Cited
US3970544A
Cited
US3960973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-03-27 | 1981-09-26 | 1982-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-03-27 | 1985-09-26 | 1986-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-03-27 | 1989-09-26 | 1990-03-28 | $7700.00 | Window Closed / Lapsed |