US2620362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of catalytically removing sulfur
Assignee: EIDP Inc
•
Filing: 1948-07-07
•
Granted: 1952-12-02
•
Expires: 1968-07-07
Abstract
No abstract record available.
Inventors
- 👤 Alvin B Stiles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:39
CPC Classifications
C; C10; C10G; C10G17/00; C10G17/095; C07; C07C; C07C7/00; C07C7/148; C10G29/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
IN A PROCESS FOR THE REMOVAL OF SULFUR CONTAMINANTS FROM A HYDROCARBON, THE STEP WHICH COMPRISES PASSING A VAPORIZED HYDROCARBON CONTAINING SULFUR CONTAMINANTS OVER A SULFIDED SALT OF A METAL OF THE GROUP CONSISTING OF ALKALINE EARTH METALS, METALS OF THE IRON GROUP AND SILVER, AND AN AMPHOTERIC METAL OF THE GROUP CONSISTING OF VANDIUM, CHROMIUM, MOLYBDENUM, AND TUNGSTEN WHICH HAS BEEN PREPARED BY DEPOSITION OF THE SALT ON A POROUS SUPPORT AND PASSING THROUGH THE SUPPORTED SALT, AND IN THE PRESENCE OF HYDROGEN, A VAPORIZED SULFIDE OF THE GROUP CONSISTING OF HYDROGEN SULFIDE, CARBON DISULFIDE AND LOWER ALKYL MERCAPTANS.
Claim 2
Dependent Claim
100 words
IN A PROCESS FOR THE REMOVAL OF SULFUR CONTAMINANTS FROM A HYDROCARBON, THE STEP WHICH COMPRISES PASSING A VAPORIZED HYDROCARBON CONTAINING SULFUR CONTAMINANTS OVER A SULFIDED SALT OF A METAL OF THE GROUP CONSISTING OF ALKALINE EARTH METALS, METALS OF THE IRON GROUP AND SILVER, AND AN AMPHOTERIC METAL OF THE GROUP CONSISTING OF VANDIUM, CHROMIUM, MOLYBDENUM, AND TUNGSTEN WHICH HAS BEEN PREPARED BY DEPOSITION OF THE SALT ON A POROUS SUPPORT AND PASSING THROUGH THE SUPPORTED SALT, AND IN THE PRESENCE OF HYDROGEN, A VAPORIZED SULFIDE OF THE GROUP CONSISTING OF HYDROGEN SULFIDE, CARBON DISULFIDE AND LOWER ALKYL MERCAPTANS.
References Cited (Backward Citations)
US2105665A
Cited
US2325033A
Cited
US2325034A
Cited
US2332276A
Cited
US2388959A
Cited
US2481300A
Cited
US2455713A
Cited
US2413312A
Cited
US2426483A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |