US2986447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor phase corrosion inhibition
Assignee: Shell USA Inc
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Filing: 1959-06-09
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Granted: 1961-05-30
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Expires: 1979-06-09
Abstract
No abstract record available.
Inventors
- 👤 Philip J Raifsnider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:20
CPC Classifications
D; D21; D21H; D21H21/00; D21H21/14; D21H21/36; C; C23; C23F; C23F11/00; C23F11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
IN A PROCESS FOR THE VAPOR PHASE CORROSION INHIBITION OF METALLIC SURFACES AT TEMPERATURES BETWEEN ABOUT 30*F. AND ABOUT 110*F. IN THE PRESENCE OF WATER VAPOR, WHEREIN A METALLIC OBJECT IS ENCLOSED IN A WRAPPING MATERIAL, THE IMPROVEMENT WHICH COMPRISES ENCLOSING A CORROSIONINHIBITING AMOUNT OF CAPRIC ACID AS THE SOLE VAPOR PHASE CORROSION INHIBITOR WITH THE METALLIC OBJECT FOR A PERIOD OF AT LEAST 8 HOURS.
Claim 2
Dependent Claim
66 words
IN A PROCESS FOR THE VAPOR PHASE CORROSION INHIBITION OF METALLIC SURFACES AT TEMPERATURES BETWEEN ABOUT 30*F. AND ABOUT 110*F. IN THE PRESENCE OF WATER VAPOR, WHEREIN A METALLIC OBJECT IS ENCLOSED IN A WRAPPING MATERIAL, THE IMPROVEMENT WHICH COMPRISES ENCLOSING A CORROSIONINHIBITING AMOUNT OF CAPRIC ACID AS THE SOLE VAPOR PHASE CORROSION INHIBITOR WITH THE METALLIC OBJECT FOR A PERIOD OF AT LEAST 8 HOURS.
References Cited (Backward Citations)
US2824782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |