Patent US2620362A successfully refreshed from Google Patents.
US2620362A
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Method of catalytically removing sulfur
Assignee: EIDP Inc
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Filing: 1948-07-07
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Granted: 1952-12-02
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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
2026-10-25 19:50
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.
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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 |