US3114702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion inhibition
Assignee: Universal Oil Products Co
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Filing: 1960-01-18
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Granted: 1963-12-17
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Expires: 1980-01-18
Abstract
No abstract record available.
Inventors
- 👤 Ralph B Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:51
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10M; C10M1/00; C10M1/08; C23; C23F; C23F11/00; C23F11/04; C23F11/08; C23F11/10; C23F11/14; C23F11/141; C10M2201/00; C10M2201/02; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/06; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/08; C10M2207/40; C10M2207/404; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/06; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A METHOD OF REDUCING CORROSION OF METAL IN CONTACT WITH AN ACIDIC CORRODANT WHICH COMPRISES EFFECTING SAID CONTACT IN THE PRESENCE OF A CORROSION INHIBITOR SELECTED FROM THE GROUP CONSISTING OF N1,N3-DI-(1-ETHYL-3-METHYLPENTYL) DIETHYLENE TRIAMINE, N,N''-DI-(1-ETHYL-3-METHYLPENTYL) ETHYLENE DIAMINE, N1,N5 - DI - (1-ETHYL-3-METHYLPENTYL) TETRAETHYLENE JPENTAMINE, N,N'' -DI- (1-METHYLHEPTYL) ETHYLENE DIAMINE AND N1,N3-DI-(1-METHYLHEPTYL) DIETHYLENE TRIAMINE.
Claim 2
Independent Claim
53 words
A METHOD OF REDUCING CORROSION OF METAL IN CONTACT WITH AN ACIDIC CORRODANT WHICH COMPRISES EFFECTING SAID CONTACT IN THE PRESENCE OF A CORROSION INHIBITOR SELECTED FROM THE GROUP CONSISTING OF N1,N3-DI-(1-ETHYL-3-METHYLPENTYL) DIETHYLENE TRIAMINE, N,N''-DI-(1-ETHYL-3-METHYLPENTYL) ETHYLENE DIAMINE, N1,N5 - DI - (1-ETHYL-3-METHYLPENTYL) TETRAETHYLENE JPENTAMINE, N,N'' -DI- (1-METHYLHEPTYL) ETHYLENE DIAMINE AND N1,N3-DI-(1-METHYLHEPTYL) DIETHYLENE TRIAMINE.
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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) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |