US3565672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of improving resistance to corrosion of metal surface and resultant article
Assignee: ConocoPhillips Co
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Filing: 1968-05-08
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Granted: 1971-02-23
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Expires: 1988-05-08
Abstract
Abstract THIS DISCLOSURE RELATES TO A METHOD OF IMPROVING RESISTANCE TO CORROSION OF METAL SURFACES, WHEREIN THE METHOD COMPRISES: (A) APPLYING TO THE METAL SURFACE A GREASE-LIKE COMPOSITION CONSISTING ESSENTIALLY OF A NONVOLATILE DILUENT, AN OIL-SOLUBLE DISPERSING AGENT, AND A BASIC ALKALINE EARTH METAL COMPOUND, AND (B) APPLYING TO THE COATED METAL SURFACE A CONVENTIONAL PAINT. AN IMPORTANT FEATURE IS THE USE OF THE PARTICULAR GREASELIKE COMPOSITION AS A PRIMER COATING.
Inventors
- 👤 Ben E Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:45
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/50; B05D7/52; B05D7/54; C; C09; C09D; C09D5/00; C09D5/08; B05D2202/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31678; Y10T428/31714; Y10T428/31786; Y10T428/31801; Y10T428/31844
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |