US3082071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal chelates and fuel oil compositions containing same
Assignee: Gulf Research and Development Co
•
Filing: 1958-12-30
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Granted: 1963-03-19
•
Expires: 1978-12-30
Abstract
No abstract record available.
Inventors
- 👤 Robert J Hartle
- 👤 Robert J Mcguire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:42
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/92; C07C45/00; C07C45/77; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/1814
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A FUEL OIL COMPOSITION COMPRISING A MAJOR AMOUNT OF A HYDROCARBON FUEL OIL THAT NORMALLY TENDS TO FORM SMOKE AND SOOT DURING COMBUSTION, AND CONTAINING A SMALL AMOUNT, SUFFICIENT TO REDUCE THE SMOKE AND SOOT FORMING TENDENCIES OF THE OIL OF A CHELATE OF A POLYVALENT METAL SELECTED FROM THE GROUP CONSISTING OF ALKALINE EARTH METALS, IRON GROUP METALS, COPPER, CHROMIUM. CADMIUM, AND TITANIUM, AND A BETA-DIKETONE HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
71 words
A FUEL OIL COMPOSITION COMPRISING A MAJOR AMOUNT OF A HYDROCARBON FUEL OIL THAT NORMALLY TENDS TO FORM SMOKE AND SOOT DURING COMBUSTION, AND CONTAINING A SMALL AMOUNT, SUFFICIENT TO REDUCE THE SMOKE AND SOOT FORMING TENDENCIES OF THE OIL OF A CHELATE OF A POLYVALENT METAL SELECTED FROM THE GROUP CONSISTING OF ALKALINE EARTH METALS, IRON GROUP METALS, COPPER, CHROMIUM. CADMIUM, AND TITANIUM, AND A BETA-DIKETONE HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
GB289493A
Cited
US2151432A
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US2223932A
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US2338578A
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US2564855A
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US2591503A
Cited
US2875223A
Cited
US2812344A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |