US2966029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion inhibited fuels containing vanadium
Assignee: Gulf Research and Development Co
•
Filing: 1957-04-24
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Granted: 1960-12-27
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Expires: 1977-04-24
Abstract
No abstract record available.
Inventors
- 👤 Albert G Rocchini
- 👤 Charles E Trautman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:57
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/12; C10L1/1225; C10L1/1233; C10L1/1275; C10L1/1291
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
95 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 THE COMBUSTION OF SAID OIL, THE METHOD OF REDUCING SAID CORROSION WHICH COMPRISES INTRODUCING INTO SAID PLANT UPSTREAM OF SAID PARTS A SMALL AMOUNT OF THE MIXTURE OF SALTS PRESENT IN SEA WATER SUFFICIENT TO YIELD ABOUT 1.5 TO ABOUT 4 ATOMS OF THE SODIUM IN SAID SALTS PER ATOM OF THE CANADIUM IN SAID FUEL OIL.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |