Patent US3313859A successfully refreshed from Google Patents.
US3313859A
Expired / Lapsed
US
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Process for hydrogenating aromatic hydrocarbons
Assignee: Phillips Petroleum Co
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Filing: 1964-10-19
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Granted: 1967-04-11
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Expires: 1984-10-19
Abstract
No abstract record available.
Inventors
- 👤 Elliott P Doane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:43
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/02; C07C5/10; C10; C10G; C10G45/00; C10G45/44; C07C2521/00; C07C2521/12; C07C2523/00; C07C2523/16; C07C2523/24; C07C2523/70; C07C2523/74; C07C2527/00; C07C2527/02; C07C2527/04; C07C2527/043; C07C2527/047
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A PROCESS FOR HYDROGENATING AN AROMATIC HYDROCARBON FEED WHICH COMPRISES THE STEPS OF: (A) CONTACTING SAID FEED IN A HYDROGENATING ZONE WITH A CATALYST CONSISTING ESSENTIALLY OF A POROUS SUPPORT SELECTED FROM THE GROUP CONSISTING OF SILICA, ALUMINA, MAGNESIA, THORIA, ZIRCONIA, AND COMBINATION THEREOF IMPREGNATED WITH A HYDROGENATING COMPONENT SELECTED FROM THE GROUP CONSISTING OF THE OXIDES AND SULFIDES OF THE METALS OF GROUP VI-B, THE METALS, OXIDES, AND SULFIDES OF THE GROUP VIII FERROUS METALS, AND COMBINATIONS THEREOF, IN ADMIXTURE WITH HYDROGEN UNDER HYDROGENATING CONDITIONS INCLUDING A TEMPERATURE NOT MORE THAN ABOUT 700*F. WHICH AVOIDS SUBSTANTIAL CRACKING OF THE FEED; (B) INCORPORATING IN THE REACTION MIXTURE IN THE HYDROGENATING ZONE OF STEP (A) A NITROGEN COMPOUND WHICH SUPPLIES AMMONIA THEREIN AT AN N CONCENTRATION IN THAN RANGE OF 0.05 TO 3.0 WEIGHT PERCENT BASED UPON THE WEIGHT OF SAID FEED; (C) RECOVERING A HYDROGENATED EFFLUENT FROM THE ZONE OF STEP (A).
Claim 2
Dependent Claim
152 words
A PROCESS FOR HYDROGENATING AN AROMATIC HYDROCARBON FEED WHICH COMPRISES THE STEPS OF: (A) CONTACTING SAID FEED IN A HYDROGENATING ZONE WITH A CATALYST CONSISTING ESSENTIALLY OF A POROUS SUPPORT SELECTED FROM THE GROUP CONSISTING OF SILICA, ALUMINA, MAGNESIA, THORIA, ZIRCONIA, AND COMBINATION THEREOF IMPREGNATED WITH A HYDROGENATING COMPONENT SELECTED FROM THE GROUP CONSISTING OF THE OXIDES AND SULFIDES OF THE METALS OF GROUP VI-B, THE METALS, OXIDES, AND SULFIDES OF THE GROUP VIII FERROUS METALS, AND COMBINATIONS THEREOF, IN ADMIXTURE WITH HYDROGEN UNDER HYDROGENATING CONDITIONS INCLUDING A TEMPERATURE NOT MORE THAN ABOUT 700*F. WHICH AVOIDS SUBSTANTIAL CRACKING OF THE FEED; (B) INCORPORATING IN THE REACTION MIXTURE IN THE HYDROGENATING ZONE OF STEP (A) A NITROGEN COMPOUND WHICH SUPPLIES AMMONIA THEREIN AT AN N CONCENTRATION IN THAN RANGE OF 0.05 TO 3.0 WEIGHT PERCENT BASED UPON THE WEIGHT OF SAID FEED; (C) RECOVERING A HYDROGENATED EFFLUENT FROM THE ZONE OF STEP (A).
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) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |