Patent US3361319A successfully refreshed from Google Patents.
US2867577A
Expired / Lapsed
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Process for reforming arseniccontaining hydrocarbons
Assignee: Universal Oil Products Co
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Filing: 1952-06-14
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Granted: 1959-01-06
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Expires: 1972-06-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Peter Urban
- 👤 Ralph B Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:53
CPC Classifications
C; C10; C10G; C10G21/00; C10G21/06; C10G21/12; C10G21/20; C10G2400/00; C10G2400/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE METHOD OF CONVERTING AN ARSENIC-CONTAINING HYDROCARBON CHARGE WHICH COMPRISES TREATING THE CHARGE WITH A SULFUR-FREE REAGENT CONSISTING ESSENTIALLY OF A NITROGEN COMPOUND CONTAINING THREE ATTACHED GROUPS AND AN UNSHARED PAIR OF ELECTRONS, SEPARATING THEREFROM A CHARGE FRACTION HAVING AN ARSENIC CONTENT OF LESS THAN ABOUT 0.05 PART PER MILLION AND LESS THAN THAT OF SAID CHARGE, AND SUBJECTING SAID CHARGE FRACTION TO CONVERSION IN THE PRESENCE OF A CATALYST COMPRISING A NOBLE METAL.
Claim 2
Independent Claim
74 words
THE METHOD OF CONVERTING AN ARSENIC-CONTAINING HYDROCARBON CHARGE WHICH COMPRISES TREATING THE CHARGE WITH A SULFUR-FREE REAGENT CONSISTING ESSENTIALLY OF A NITROGEN COMPOUND CONTAINING THREE ATTACHED GROUPS AND AN UNSHARED PAIR OF ELECTRONS, SEPARATING THEREFROM A CHARGE FRACTION HAVING AN ARSENIC CONTENT OF LESS THAN ABOUT 0.05 PART PER MILLION AND LESS THAN THAT OF SAID CHARGE, AND SUBJECTING SAID CHARGE FRACTION TO CONVERSION IN THE PRESENCE OF A CATALYST COMPRISING A NOBLE METAL.
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) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |