US3069350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reforming naphthas containing deleterious amounts of nitrogen or arsenic
Assignee: ExxonMobil Oil Corp
•
Filing: 1959-07-14
•
Granted: 1962-12-18
•
Expires: 1979-07-14
Abstract
No abstract record available.
Inventors
- 👤 Ramella Amilcare
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:28
CPC Classifications
C; C10; C10G; C10G25/00; C10G65/00; C10G65/02; C10G65/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A METHOD OF REMOVING ARSENIC FROM A HYDROCARBON MIXTURE WHICH COMPRISES IN A REACTION ZONE CONTACTING A HYDROCARBON MIXTURE CONTAINING ARSENIC WITH HYDROGENATING CATALYST UNDER CONDITIONS OF PRESSURE, LIQUID HOURLY SPACE VELOCITY, HYDROGEN CIRCULATION, AND AT A TEMPERATURE NOT HIGHER THAN ABOUT 425*F. AT WHICH ARSENIC IS CONVERTED TO A VOLATILE DERIVATIVE OF ARSENIC, WITHDRAWING FROM SAID REACTION ZONE AT A TEMPERATURE BELOW 440*F. A REACTION ZONE EFFUENT COMPRISING HYDROCARBONS AND THE AFORESAID VOLATILE DERIVATIVE OF ARSENIC, AND CONTACTING AT A TEMPERATURE HIGHER THAN 440*F. SAID REACTION ZONE EFFUENT WITH FINELY DIVIDED SOLID ADSORBENT.
Claim 2
Independent Claim
94 words
A METHOD OF REMOVING ARSENIC FROM A HYDROCARBON MIXTURE WHICH COMPRISES IN A REACTION ZONE CONTACTING A HYDROCARBON MIXTURE CONTAINING ARSENIC WITH HYDROGENATING CATALYST UNDER CONDITIONS OF PRESSURE, LIQUID HOURLY SPACE VELOCITY, HYDROGEN CIRCULATION, AND AT A TEMPERATURE NOT HIGHER THAN ABOUT 425*F. AT WHICH ARSENIC IS CONVERTED TO A VOLATILE DERIVATIVE OF ARSENIC, WITHDRAWING FROM SAID REACTION ZONE AT A TEMPERATURE BELOW 440*F. A REACTION ZONE EFFUENT COMPRISING HYDROCARBONS AND THE AFORESAID VOLATILE DERIVATIVE OF ARSENIC, AND CONTACTING AT A TEMPERATURE HIGHER THAN 440*F. SAID REACTION ZONE EFFUENT WITH FINELY DIVIDED SOLID ADSORBENT.
References Cited (Backward Citations)
US2867577A
Cited
US2939833A
Cited
US2728710A
Cited
US2854399A
Cited
US2910434A
Cited
US2937134A
Cited
US2954339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |