US2769759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of non-corrosive naphthas by reacting refined naphtha with molybdate
Assignee: Pure Oil Co
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Filing: 1954-07-26
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Granted: 1956-11-06
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Expires: 1974-07-26
Abstract
No abstract record available.
Inventors
- 👤 Weldon G Annable
- 👤 Robert M Haines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:05
CPC Classifications
C; C10; C10G; C10G17/00; C10G17/095; C10G29/00; C10G29/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
THE METHOD OF PRODUCING SPECIAL SOLVENT NAPHTHAS FROM HIGHLY REFINED PETROLEUM HYDROCARBON MIXTURES CONTAINING SMALL AMOUNTS OF TOTAL SULFUR OF NOT MORE THANABOUT 0.16% BY WEIGHT WHICH COMPRISES SUBJECTING SAID HYDROCARBON MIXTURES TO CONTACT WITH NICKEL MOLYBDATE AT A TEMPERATURE OF ABOUT 400 TO 500* F. AND SEPARATING SPECIAL SOLVENT NAPHTHAS THEREFROM CHARACTERIZED BY THEIR ABILITY TO PASS THE DISTILLATION-CORROSION TEST.
Claim 2
Independent Claim
61 words
THE METHOD OF PRODUCING SPECIAL SOLVENT NAPHTHAS FROM HIGHLY REFINED PETROLEUM HYDROCARBON MIXTURES CONTAINING SMALL AMOUNTS OF TOTAL SULFUR OF NOT MORE THANABOUT 0.16% BY WEIGHT WHICH COMPRISES SUBJECTING SAID HYDROCARBON MIXTURES TO CONTACT WITH NICKEL MOLYBDATE AT A TEMPERATURE OF ABOUT 400 TO 500* F. AND SEPARATING SPECIAL SOLVENT NAPHTHAS THEREFROM CHARACTERIZED BY THEIR ABILITY TO PASS THE DISTILLATION-CORROSION TEST.
References Cited (Backward Citations)
US2029100A
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US2369432A
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US2398919A
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US2393288A
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US2620362A
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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) | 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 |