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US2778779A Expired / Lapsed US ⏱️ 0.0 years remaining

Removal of arsenic in hydrocarbon oils by use of a readily reducible metal oxide and water

Assignee: Universal Oil Products Co
•
Filing: 1952-06-14
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Granted: 1957-01-22
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Expires: 1972-06-14
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Abstract

No abstract record available.

Inventors

  • 👤 George R Donaldson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 20:05
CPC Classifications
C; C10; C10G; C10G61/00; C10G61/02; C10G2400/00; C10G2400/02

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 62 words
THE PRECESS OF PRODUCTING GASOLINE FROM AN ARSENIC-CONTAINING HYDROCARBON CHARGE WHICH COMPRISES TREATING THE CHARGE WITH A READILY REDUCIBLE METAL OXIDE AND WATER, SEPARATING THEREFROM A GASOLINE FRACTION HAVING AN ARSENIC CONTENT OF LESS THAN ABOUT 0.015 PART PER MILLION AND LESS THAN THAT OF SAID CHARGE, AND REFORMING SAID GASOLINE FRACTION IN THE PRESENCE OF A CATALYST COMPRISING ALUMINA AND PLATINUM.

References Cited (Backward Citations)

US2042052A Cited
US2338941A Cited
US2430249A Cited
US2479110A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-01-22 1960-07-23 1961-01-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-01-22 1964-07-23 1965-01-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-01-22 1968-07-23 1969-01-22 $7700.00 Window Closed / Lapsed

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