Patent US2916443A successfully refreshed from Google Patents.
US2916443A
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Process for desulfurizing petroleum distillates using a spent platinum reforming catalyst
Assignee: Texaco Inc
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Filing: 1955-08-08
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Granted: 1959-12-08
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Expires: 1975-08-08
Abstract
No abstract record available.
Inventors
- 👤 Michael D Riordan
- 👤 Herbert E Vermillion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:09
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/02; C10G45/04; C10G45/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A PROCESS FOR DESULFURIZING A MIDDLE DISTILLATE WHICH COMPRISES CONTACTING A SULFUR CONTAINING MIDDLE DISTILLATE WITH HYDROGEN AT A TEMPERATURE BETWEEN ABOUT 500*F. AND 800*F., A PRESSURE BETWEEN ABOUT 200 AND 1000 P.S.I. AND A SPACE VELOCITY BETWEEN ABOUT 0.1 TO 10 VOLUMES OF DISTILLATE PER HOUR PER VOLUME OF CATALYST IN THE PRESENCE OF A PLATINUM ON ALUMINA CATALYST, SAID CATALYST HAVING BEEN CONDITIONED BY THE CATALYTIC REFORMING OF GASOLINE STOCK AND HAVING BECOME SPENT FOR REFORMING PURPOSES, SAID DESULFURIZATION BEING CHARACTERIZED BY THE SUBSTANTIAL ABSENCE OF CRACKING OR DEHYDROGENATION.
Claim 2
Dependent Claim
91 words
A PROCESS FOR DESULFURIZING A MIDDLE DISTILLATE WHICH COMPRISES CONTACTING A SULFUR CONTAINING MIDDLE DISTILLATE WITH HYDROGEN AT A TEMPERATURE BETWEEN ABOUT 500*F. AND 800*F., A PRESSURE BETWEEN ABOUT 200 AND 1000 P.S.I. AND A SPACE VELOCITY BETWEEN ABOUT 0.1 TO 10 VOLUMES OF DISTILLATE PER HOUR PER VOLUME OF CATALYST IN THE PRESENCE OF A PLATINUM ON ALUMINA CATALYST, SAID CATALYST HAVING BEEN CONDITIONED BY THE CATALYTIC REFORMING OF GASOLINE STOCK AND HAVING BECOME SPENT FOR REFORMING PURPOSES, SAID DESULFURIZATION BEING CHARACTERIZED BY THE SUBSTANTIAL ABSENCE OF CRACKING OR DEHYDROGENATION.
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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) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |