US3082128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for reducing combustion chamber deposits in internal combustion engines
Assignee: MAN-GILL CHEMICAL COMPANY AN OH CORP
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Filing: 1960-02-15
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Granted: 1963-03-19
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Expires: 1980-02-15
Abstract
No abstract record available.
Inventors
- 👤 Willis G Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:43
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/05; C23C22/06; C23C22/07; C23C22/08; C23C22/12; C23C22/16; F; F02; F02B; F02B77/00; F02B77/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A METHOD FOR REDUCING THE FORMATION AND ACCUMULATION OF COMBUSTION DEPOSITS IN THE FERROUS METAL COMBUSTION CHAMBER HEAD OF AN INTERNAL COMBUSTION CHAMWHICH METHOD COMPRISES TREATING SAID CUMBUSTION CHAMBER HEAD WITH AN AQUEOUS PHOSPHATING SOLUTION HAVING A TOTAL ACIDITY WITHIN THE RANGE OF FROM ABOUT 5 TO ABOUT 100 POINTS AND CONTAINING AS ESSENTIAL INGREDIENTS THE ZINC ION AND THE PHOSPHATE ION TO FORM THEREON, AN INTERGRAL PHOSPHATE COATING OF AT LEAST ABOUT 25 MILLIGRAMS PER SQUARE FOOT OF SURFACE AREA.
Claim 2
Independent Claim
81 words
A METHOD FOR REDUCING THE FORMATION AND ACCUMULATION OF COMBUSTION DEPOSITS IN THE FERROUS METAL COMBUSTION CHAMBER HEAD OF AN INTERNAL COMBUSTION CHAMWHICH METHOD COMPRISES TREATING SAID CUMBUSTION CHAMBER HEAD WITH AN AQUEOUS PHOSPHATING SOLUTION HAVING A TOTAL ACIDITY WITHIN THE RANGE OF FROM ABOUT 5 TO ABOUT 100 POINTS AND CONTAINING AS ESSENTIAL INGREDIENTS THE ZINC ION AND THE PHOSPHATE ION TO FORM THEREON, AN INTERGRAL PHOSPHATE COATING OF AT LEAST ABOUT 25 MILLIGRAMS PER SQUARE FOOT OF SURFACE AREA.
References Cited (Backward Citations)
US2859145A
Cited
US2774701A
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 |