Patent US2864726A successfully refreshed from Google Patents.
US2864726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective coating for ferrous type metal
Assignee: Pure Oil Co
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Filing: 1955-11-17
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Granted: 1958-12-16
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Expires: 1975-11-17
Abstract
No abstract record available.
Inventors
- 👤 Allan A Manteuffel
- 👤 George R Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:46
CPC Classifications
C; C23; C23F; C23F15/00; C09; C09D; C09D5/00; C09D5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
THE PROCESS FOR THE FORMATION OF AN ADHERENT, CORROSION-RESISTANT COATING ON A FERROUS METAL SURFACE WHICH COMPRISES CONTACTING SAID FERROUS METAL WITH A SUBSTANTIALLY WATER-EMULSION-FREE MINERAL OIL COMPOSITION CONOIL BOILING RANGE, AN EMULSIFIER, A COUPLING AGENT IN WHICH WATER AND MINERAL OIL ARE MUTUALLY SOLUBLE AND AT LEAST ABOUT 1%, BY WT. OF TOTAL COMPOSITION, OF TOTAL WATER BUT LESS THAN THAT AMOUNT WHICH CAUSES SUBSTANTIAL PHASE SEPARATION AND EMULSIFICATION OF SAID OIL COMPOSITION, FOR A TIME SUFFICIENT TO COAT THE SURFACE OF SAID METAL WITH A CORROSION-RESISTANT, ADHERENT COATING.
Claim 2
Dependent Claim
90 words
THE PROCESS FOR THE FORMATION OF AN ADHERENT, CORROSION-RESISTANT COATING ON A FERROUS METAL SURFACE WHICH COMPRISES CONTACTING SAID FERROUS METAL WITH A SUBSTANTIALLY WATER-EMULSION-FREE MINERAL OIL COMPOSITION CONOIL BOILING RANGE, AN EMULSIFIER, A COUPLING AGENT IN WHICH WATER AND MINERAL OIL ARE MUTUALLY SOLUBLE AND AT LEAST ABOUT 1%, BY WT. OF TOTAL COMPOSITION, OF TOTAL WATER BUT LESS THAN THAT AMOUNT WHICH CAUSES SUBSTANTIAL PHASE SEPARATION AND EMULSIFICATION OF SAID OIL COMPOSITION, FOR A TIME SUFFICIENT TO COAT THE SURFACE OF SAID METAL WITH A CORROSION-RESISTANT, ADHERENT COATING.
References Cited (Backward Citations)
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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) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |