US2769770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removing arsenic from a naphtha, which is reformed with a noble metal catalyst composite
Assignee: Universal Oil Products Co
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Filing: 1952-06-14
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Granted: 1956-11-06
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Expires: 1972-06-14
Abstract
No abstract record available.
Inventors
- 👤 Edward J Bicek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:48
CPC Classifications
C; C10; C10G; C10G61/00; C10G61/02; C10G2400/00; C10G2400/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
THE METHOD OF CONVERTING AN ARSENIC-CONTAINING HYDROCARBON CHARGE WHICH COMPRISES IRRADIATING THE CHARGE WITH ULTRA-VIOLET LIGHT, SEPARATING THEREFROM A CHARGE FRACTION HAVING AN ARSENIC CONTENT OF LESS THAN ABOUT 0.05 PARTS PER MILLION AND LESS THAN THAT OF SAID CHARGE, AND SUBJECTING SAID CHARGE FRACTION TO CONVERSION IN THE PRESENCE OF A CATALYST COMPRISING ALUMINA AND A NOBLE METAL.
Claim 2
Independent Claim
59 words
THE METHOD OF CONVERTING AN ARSENIC-CONTAINING HYDROCARBON CHARGE WHICH COMPRISES IRRADIATING THE CHARGE WITH ULTRA-VIOLET LIGHT, SEPARATING THEREFROM A CHARGE FRACTION HAVING AN ARSENIC CONTENT OF LESS THAN ABOUT 0.05 PARTS PER MILLION AND LESS THAN THAT OF SAID CHARGE, AND SUBJECTING SAID CHARGE FRACTION TO CONVERSION IN THE PRESENCE OF A CATALYST COMPRISING ALUMINA AND 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) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |