US2956020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-corrosion compositions
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1956-01-18
•
Granted: 1960-10-11
•
Expires: 1976-01-18
Abstract
No abstract record available.
Inventors
- 👤 Suprin Jean
- 👤 Soldano Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:25
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/08; C07; C07D; C07D233/00; C07D233/04; C07D233/06; C07D233/08; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10M; C10M133/00; C10M133/02; C10M133/16; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/145; C10L1/18; C10L1/188; C10L1/1886; C10L1/22; C10L1/222; C10L1/2222; C10L1/224; C10L1/232; C10L1/24; C10L1/2431; C10L1/2437; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/06; C10M2201/062; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/082; C10M2209/10; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/22; C10M2215/223; C10M2215/224; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10N; C10N2010/00; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/02; C10N2040/08; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
AN ANTI-CORROSION COMPOSITION COMPRISING: A MAJOR AMOUNT OF A HYDROCARBON OIL, 0.1 TO 3 WT. PERCENT OF AN ALKALI METAL PETROLEUM SULFONATE HAVING A MOLECULAR WEIGHT IN THE RANGE OF 300 TO 600, AND 0.01 TO 3 WT. PERCENT OF THE DEHYDRATED AMIDE REACTION PRODUCT OF 2 MOLES OF A C8-C24 FATTY ACID AND ONE MOLE OF ETHYLENE DIAMINE.
Claim 2
Dependent Claim
59 words
AN ANTI-CORROSION COMPOSITION COMPRISING: A MAJOR AMOUNT OF A HYDROCARBON OIL, 0.1 TO 3 WT. PERCENT OF AN ALKALI METAL PETROLEUM SULFONATE HAVING A MOLECULAR WEIGHT IN THE RANGE OF 300 TO 600, AND 0.01 TO 3 WT. PERCENT OF THE DEHYDRATED AMIDE REACTION PRODUCT OF 2 MOLES OF A C8-C24 FATTY ACID AND ONE MOLE OF ETHYLENE DIAMINE.
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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) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |