US2969316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desulfurizing reformer feed
Assignee: MW Kellogg Co
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Filing: 1958-05-06
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Granted: 1961-01-24
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Expires: 1978-05-06
Abstract
No abstract record available.
Inventors
- 👤 George W Stanford
- 👤 James L Patton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:10
CPC Classifications
C; C10; C10G; C10G65/00; C10G65/02; C10G65/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A METHOD FOR CONTROLLING THE CONCENTRATION OF C3 AND HIGHER BOILING NORMALLY GASEOUS HYDROCARBONS PASSED TO A REFORMING ZONE WHICH COMPRISES PASSING A PORTION OF A GASEOUS PRODUCT STREAM CONTAINING HYDROGEN OBTAINED FROM A REFORMING ZONE TO A DESULFURIZATION ZONE WITH A SULFUR-CONTAINING NAPHTHA FEED MATERIAL UNDER CONDITIONS TO CONVERT SULFUR COMPOUNDS THEREIN TO HYDROGEN SULFIDE, SEPARATING A PRODUCT EFFLUENT OF SAID DESULFURIZATION ZONE INTO A DESULFURIZED NAPHTHA PRODUCT AND A GASEOUS PRODUCT STREAM CONTAINING HYDROGEN SULFIDE AND LOW-BOILING HYDROCARBONS, PASSING A CYCLE OIL RECOVERED FROM THE FRACTIONATING ZONE OF A CATALYTIC CRACKING PROCESS IN CONTACT WITH THE GASEOUS PRODUCT STREAM SEPARATED FROM SAID DESULFLURIZATION PRODUCT EFFLUENT TO RECOVER BY ABSORPTION SAID LOW-BOILING HYDROCARBONS INCLUDING C3 AND HIGHER BOILING GASEOUS HYDROCARBONS, PASSING THE CYCLE OIL ENRICHED WITH SAID C3 AND HIGHER BOILING GASEOUS HYDROCARBONS BY ABSORPTION TO THE FRACTIONATION ZONE TO SEPARATE ABSORBED HYDROCARBONS FROM THE CYCLE OIL AND PASSING THE DESULFURIZED NAPHTHA SUBSTANTIALLY FREE OF C3 HYDROCARBON TO SAID REFORMING ZONE.
Claim 2
Independent Claim
162 words
A METHOD FOR CONTROLLING THE CONCENTRATION OF C3 AND HIGHER BOILING NORMALLY GASEOUS HYDROCARBONS PASSED TO A REFORMING ZONE WHICH COMPRISES PASSING A PORTION OF A GASEOUS PRODUCT STREAM CONTAINING HYDROGEN OBTAINED FROM A REFORMING ZONE TO A DESULFURIZATION ZONE WITH A SULFUR-CONTAINING NAPHTHA FEED MATERIAL UNDER CONDITIONS TO CONVERT SULFUR COMPOUNDS THEREIN TO HYDROGEN SULFIDE, SEPARATING A PRODUCT EFFLUENT OF SAID DESULFURIZATION ZONE INTO A DESULFURIZED NAPHTHA PRODUCT AND A GASEOUS PRODUCT STREAM CONTAINING HYDROGEN SULFIDE AND LOW-BOILING HYDROCARBONS, PASSING A CYCLE OIL RECOVERED FROM THE FRACTIONATING ZONE OF A CATALYTIC CRACKING PROCESS IN CONTACT WITH THE GASEOUS PRODUCT STREAM SEPARATED FROM SAID DESULFLURIZATION PRODUCT EFFLUENT TO RECOVER BY ABSORPTION SAID LOW-BOILING HYDROCARBONS INCLUDING C3 AND HIGHER BOILING GASEOUS HYDROCARBONS, PASSING THE CYCLE OIL ENRICHED WITH SAID C3 AND HIGHER BOILING GASEOUS HYDROCARBONS BY ABSORPTION TO THE FRACTIONATION ZONE TO SEPARATE ABSORBED HYDROCARBONS FROM THE CYCLE OIL AND PASSING THE DESULFURIZED NAPHTHA SUBSTANTIALLY FREE OF C3 HYDROCARBON TO SAID REFORMING ZONE.
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) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |