US3332755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel additive
Assignee: Ecolab Inc
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Filing: 1964-06-03
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Granted: 1967-07-25
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Expires: 1984-06-03
Abstract
No abstract record available.
Inventors
- 👤 Kukin Ira
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:42
CPC Classifications
C; C10; C10L; C10L9/00; C10L9/10; C10L1/00; C10L1/10; C10L1/12; C10L1/1233; Y; Y10; Y10S; Y10S44/00; Y10S44/905
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
123 words
THE METHOD OF MINIMIZING TGHE DELETERIOUS EFFECTS OF VANADIUM, SULPHUR AND SODIUM IN FUEL COMPOSITIONS FROM THE CLASSS CONSISTING OF RESIDUAL PETROLEUM, COAL AND COKE WHICH COMPRISES BURNING SAID FUEL IN THE PRESENCE OF A MINOR AMOUNT, RELATIVE TO SAID FUEL, OF AN ADDITIVE CONSISTING ESSENTIALLY OF A FIRST CONSTITUENT WHICH COMPRISES A MEMBER OF THE FIRST CLASS CONSISTING OF ALUMINUM, MAGNESIUM AND MANGANESE, A SECOND CONSTITUENT WHICH COMPRISES A MEMBER OF SAID FIRST CLASS OTHER THAN THAT COMPRISING SAID FIRST CONSTITUENT, AND A THIRD CONSTITUENT WHICH COMPRISES IRON, SAID FIRST CONSTITUENT BEING PRESENT IN ACTIVE ELEMENT PROPORTIONS BY WEIGHT BETWEEN 5 AND 30 PARTS, SAID SECOND AND THIRD CONSTITUENTS BEING PRESENT IN ACTIVE ELEMENT PROPORTIONS BY WEIGHT BETWEEN 0.35 AND 10 PARTS.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
GB490064A
Cited
CH306651A
Cited
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Cited
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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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |