US3205053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel oil composition containing corrosion inhibiting additive
Assignee: Unifrax I LLC
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Filing: 1961-05-08
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Granted: 1965-09-07
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Expires: 1981-05-08
Abstract
No abstract record available.
Inventors
- 👤 Andrew T Mccord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:58
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/04; C10L1/00; C10L1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A FUEL OIL CONTAINING VANADIUM COMTAMINANTS AND A CORROSION PREVENTATIVE ADDITIVE DISPERSED THEREIN, SAID ADDITIVE CONSISTING ESSENTIALLY OF AN OIL-DISPERSIBLE COMPLEX OF A METAL OXIDE AND A FATTY ACID LINKED THROUGH A BASIC CATION, THE METAL OXIDE BEING SELECTED FROM THE GROUP CONSISTING OF CALCIUM OXIDE, MAGNESIUM OXIDE, STRONTIUM OXIDE, BARIUM OXIDE, ALUMINUM OXIDE, ZIRCONIUM OXIDE, HAFNIUM OXIDE, TITANIUM OXIDE, THORIUM OXIDE, CERIUM OXIDE, NIOBIUM OXIDE, TANTALUM OXIDE, THE RARE EARTH OXIDES AND MIXTURES THEREOF, SAID METAL OXIDE IN SAID COMPLEX BEING COLLOIDAL IN SIZE PRIOR TO AS WELL AS DURING DISPERSION IN SAID FUEL OIL, SAID ADDITIVE BEING PRESENT IN AN AMOUNT TO PROVIDE SUFFICIENT METAL OXIDE TO COMBINE WITH SUBSTANTIALLY ALL OF SAID VANADIUM CONTAMINANTS UPON COMBUSTION OF SAID FUEL OIL.
Claim 2
Dependent Claim
123 words
A FUEL OIL CONTAINING VANADIUM COMTAMINANTS AND A CORROSION PREVENTATIVE ADDITIVE DISPERSED THEREIN, SAID ADDITIVE CONSISTING ESSENTIALLY OF AN OIL-DISPERSIBLE COMPLEX OF A METAL OXIDE AND A FATTY ACID LINKED THROUGH A BASIC CATION, THE METAL OXIDE BEING SELECTED FROM THE GROUP CONSISTING OF CALCIUM OXIDE, MAGNESIUM OXIDE, STRONTIUM OXIDE, BARIUM OXIDE, ALUMINUM OXIDE, ZIRCONIUM OXIDE, HAFNIUM OXIDE, TITANIUM OXIDE, THORIUM OXIDE, CERIUM OXIDE, NIOBIUM OXIDE, TANTALUM OXIDE, THE RARE EARTH OXIDES AND MIXTURES THEREOF, SAID METAL OXIDE IN SAID COMPLEX BEING COLLOIDAL IN SIZE PRIOR TO AS WELL AS DURING DISPERSION IN SAID FUEL OIL, SAID ADDITIVE BEING PRESENT IN AN AMOUNT TO PROVIDE SUFFICIENT METAL OXIDE TO COMBINE WITH SUBSTANTIALLY ALL OF SAID VANADIUM CONTAMINANTS UPON COMBUSTION OF SAID FUEL OIL.
References Cited (Backward Citations)
US2846392A
Cited
GB761378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |