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Patent US3696049A successfully refreshed from Google Patents.
US3696049A
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Corrosion inhibiting composition and use thereof
Assignee: Universal Oil Products Co
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Filing: 1970-04-06
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Granted: 1972-10-03
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Expires: 1990-04-06
Abstract
Abstract A CORROSION INHIBITING COMPOSITION OF (1) A SALT OF DICARBOXYLIC ACID AND ALIPHATIC AMINE AND (2) POLYMERIC REACTION PROCUDT OF AN EPIHALOHYDRIN COMPOUND AND ALIPHATIC AMINE. THE COMPOSITION IS INCORPORATED IN ANY SUBSTRATE WHICH CONTACTS METAL AND SERVES TO INHIBIT CORROSION OF THE METAL.
Inventors
- 👤 Rudolf H Hausler
- 👤 Leonard A Goeller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:12
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/16; C08K5/17; C08K5/19; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10M; C10M1/00; C10M1/08; C10L1/221; C10L1/222; C10L1/2222; C10L1/234; C10L1/238; C10L1/2383; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/40; C10M2207/404; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/14; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/042; C10M2217/043; C10M2217/046; C10M2217/06; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247
Claims Analysis
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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) | 1975-10-03 | 1976-04-03 | 1976-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-03 | 1980-04-03 | 1980-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-03 | 1984-04-03 | 1984-10-03 | $7700.00 | Window Closed / Lapsed |