US2949008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Residual fuels
Assignee: Gulf Research and Development Co
•
Filing: 1958-01-29
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Granted: 1960-08-16
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Expires: 1978-01-29
Abstract
No abstract record available.
Inventors
- 👤 Albert G Rocchini
- 👤 Charles E Trautman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:17
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/12; C10L1/14; C10L1/18; C10L1/24
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
127 words
IN A GAS TURBINE PLANT IN WHICH A FUEL OIL CONTAINING VANADIUM IS BURNED AND WHICH INCLUDES HEAT RESISTING METALLIC PARTS EXPOSED TO HOT COMBUSTION GASES AND LIABLE TO BE CORRODED BY THE CORROSIVE VANADIUM-CONTAINING ASH RESULTING FROM COMBUSTION OF SAID OIL, THE METHOD OF REDUCING SAID CORROSION WHICH COMPRISES INTRODUCING INTO SAID PLANT UPSTREAM OF SAID PARTS A SMALL AMOUNT OF A VANADIUM-FREE MIXTURE OF A MAGNESIUM COMPOUND AND AN ALKALI METAL COMPOUND, THE AMOUNT OF SAID MAGNESIUM COMPOUND BEING SUFFICIENT TO YIELD ABOUT 1 ATOM WEIGHT OF MAGNESIUM PER ATOM WEIGHT OF VANADIUM IN SAID FUEL OIL AND THE AMOUNT OF SAID ALKALI METAL COMPOUND BEING SUFFICIENT TO YIELD ABOUT 1 ATOM WEIGHT OF ALKALI METAL PER ATOM WEIGHT OF VANADIUM IN SAID FUEL OIL.
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) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |