US2903415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Integrated pretreating and reforming of the pretreated naphtha
Assignee: ExxonMobil Oil Corp
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Filing: 1956-11-27
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Granted: 1959-09-08
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Expires: 1976-11-27
Abstract
No abstract record available.
Inventors
- 👤 Vernon O Bowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:14
CPC Classifications
C; C10; C10G; C10G69/00; C10G69/02; C10G69/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
253 words
IN THE METHOD OF CATALYTICALLY HYDROTREATING A PETROLEUM FRACTION IN A PRETREATING SECTION IN A HYDROTREATING ZONE IN THE PRESENCE OF HYDROGEN AND HYDROGENATION CATALYST TO PRODUCE PRETREATED REFORMER CHARGE STOCK AND CATALYTICALLY REFORMING SAID PRETREATED REFORMER CHARGE STOCK IN A REFORMING SECTION IN A REFORMING ZONE IN THE PRESENCE OF HYDROGEN AND REFORMING CATALYST UNDER REFORMING CONDITIONS WITH THE PRODUCTION OF HYDROGEN IN EXCESS OF THE HYDROGEN REQUIRED IN SAID REFORMING ZONE, SAID HYDROGEN IN EXCESS OF THAT REQUIRED IN SAID REFORMING ZONE BEING DESIGNATED EXCESS HYDROGEN HEREINAFTR, WHREIN THE HYDROTREATING ZNE EFFLUENT IS SEPARATED INTO A HYDROGEN-CONTAINING GASEOUS FRACTION AND A LIQUID EFFUENT FRACTION CONTAINING A DELETERIOUS CONCENTRATION OF AT LEAST ONE HARMFUL AGENT, WHEREIN THE AFORESAID HYDROGEN-CONTAINING GASEOUS FRACTION IS VENTED SUBSTANTIALLY CONTINUOUSLY, WHEREIN SAID LIQUID EFFLUENT FRACTION ONLY IS CONTACTED WITH AT LEAST A PART OF SAID EXCESS HYDROGEN IN A STRIPPING ZON% TO PROVIDE A STRIPPING ZONE OFF-GAS AND A LIQUID EFFLUESNT FRACTION HAVING AN INNOCUORUS CONCENTRATION OF HARMFUL AGENT, WHEREIN SAID LIWUID EFFLUENT FRACTION HAVING AN INNOCUOUS CONCENTRATION OF HARMFUL AGENT FLOWS TO A REFORMING SECTION AND IS REFORMED IN A REFORMING ZNE IN SAID REFORMING SECTION IN THE PRESENCE OF HYDROGEN AND REFORMING CATALYST WITH THE PRODUCITON OF SAID EXCESS HYDROGEN, WHEREIN IN A REFORMER SEPARATION ZONE A REFORMING ZNE EFFLUENT IS SEPARATED INTO A HYDROGEN-RICH GASEOUS FRACTION SUBSTANTIALLY WHEREIN OF SAID HARMFUL AGENTS AND A LIQUID FRACTION, WHEREIN A PORTION OF SAID GASEOUS FRACTION IS RECYCLED TO SAID REFORMING ZONE, AND THE BALANCE OF SAID
Claim 2
Dependent Claim
253 words
IN THE METHOD OF CATALYTICALLY HYDROTREATING A PETROLEUM FRACTION IN A PRETREATING SECTION IN A HYDROTREATING ZONE IN THE PRESENCE OF HYDROGEN AND HYDROGENATION CATALYST TO PRODUCE PRETREATED REFORMER CHARGE STOCK AND CATALYTICALLY REFORMING SAID PRETREATED REFORMER CHARGE STOCK IN A REFORMING SECTION IN A REFORMING ZONE IN THE PRESENCE OF HYDROGEN AND REFORMING CATALYST UNDER REFORMING CONDITIONS WITH THE PRODUCTION OF HYDROGEN IN EXCESS OF THE HYDROGEN REQUIRED IN SAID REFORMING ZONE, SAID HYDROGEN IN EXCESS OF THAT REQUIRED IN SAID REFORMING ZONE BEING DESIGNATED EXCESS HYDROGEN HEREINAFTR, WHREIN THE HYDROTREATING ZNE EFFLUENT IS SEPARATED INTO A HYDROGEN-CONTAINING GASEOUS FRACTION AND A LIQUID EFFUENT FRACTION CONTAINING A DELETERIOUS CONCENTRATION OF AT LEAST ONE HARMFUL AGENT, WHEREIN THE AFORESAID HYDROGEN-CONTAINING GASEOUS FRACTION IS VENTED SUBSTANTIALLY CONTINUOUSLY, WHEREIN SAID LIQUID EFFLUENT FRACTION ONLY IS CONTACTED WITH AT LEAST A PART OF SAID EXCESS HYDROGEN IN A STRIPPING ZON% TO PROVIDE A STRIPPING ZONE OFF-GAS AND A LIQUID EFFLUESNT FRACTION HAVING AN INNOCUORUS CONCENTRATION OF HARMFUL AGENT, WHEREIN SAID LIWUID EFFLUENT FRACTION HAVING AN INNOCUOUS CONCENTRATION OF HARMFUL AGENT FLOWS TO A REFORMING SECTION AND IS REFORMED IN A REFORMING ZNE IN SAID REFORMING SECTION IN THE PRESENCE OF HYDROGEN AND REFORMING CATALYST WITH THE PRODUCITON OF SAID EXCESS HYDROGEN, WHEREIN IN A REFORMER SEPARATION ZONE A REFORMING ZNE EFFLUENT IS SEPARATED INTO A HYDROGEN-RICH GASEOUS FRACTION SUBSTANTIALLY WHEREIN OF SAID HARMFUL AGENTS AND A LIQUID FRACTION, WHEREIN A PORTION OF SAID GASEOUS FRACTION IS RECYCLED TO SAID REFORMING ZONE, AND THE BALANCE OF SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |