US2564423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion preventive composition
Assignee: Shell Development Co
•
Filing: 1948-05-29
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Granted: 1951-08-14
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Expires: 1968-05-29
Abstract
No abstract record available.
Inventors
- 👤 Emmett R Barnum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:47
CPC Classifications
C; C10; C10M; C10M141/00; C10M141/08; C10M141/06; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C10M2201/00; C10M2201/08; C10M2201/082; C10M2201/083; C10M2201/086; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/06; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/289; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/20; C10M2215/202; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2219/00; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/043; C10N; C10N2030/00; C10N2030/12; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A CORROSION INHIBITING COMPOSITION COMPRISING A MAJOR AMOUNT OF A LIQUID HYDROCARBON HAVING DISPERSED THEREIN A MINOR AMOUNT OF A PARTIAL ESTER SELECTED FROM THE GROUP CONSISTING OF GLYCEROL MONOOLEATE, SORBITAN MONOOLEATE AND PENTAERYTHRITOL DIOLEATE, SAID PARTIAL ESTER BEING SOLUBILIZED IN SAID LIQUID HYDROCARBON IN AN AMOUNT OF AT LEAST 0.5% AND UP TO 10%, BY WEIGHT, BY A MINOR AMOUNT OF A SALT OF A BASE SELECTED FROM THE GROUP CONSISTING OF OXAZOLINE, ISOXAZOLINE, OXAZOLIDINE AND ISOXAZOLE AND OF AN ORGANO ACID COMPOUND SELECTED FROM THE GROUP CONSISTING OF PETROLEUM SULFONIC ACID AND UNSATURATED ALIPHATIC MONOCARBOXYLIC ACID OF 18 CARBON ATOMS.
Claim 2
Dependent Claim
102 words
A CORROSION INHIBITING COMPOSITION COMPRISING A MAJOR AMOUNT OF A LIQUID HYDROCARBON HAVING DISPERSED THEREIN A MINOR AMOUNT OF A PARTIAL ESTER SELECTED FROM THE GROUP CONSISTING OF GLYCEROL MONOOLEATE, SORBITAN MONOOLEATE AND PENTAERYTHRITOL DIOLEATE, SAID PARTIAL ESTER BEING SOLUBILIZED IN SAID LIQUID HYDROCARBON IN AN AMOUNT OF AT LEAST 0.5% AND UP TO 10%, BY WEIGHT, BY A MINOR AMOUNT OF A SALT OF A BASE SELECTED FROM THE GROUP CONSISTING OF OXAZOLINE, ISOXAZOLINE, OXAZOLIDINE AND ISOXAZOLE AND OF AN ORGANO ACID COMPOUND SELECTED FROM THE GROUP CONSISTING OF PETROLEUM SULFONIC ACID AND UNSATURATED ALIPHATIC MONOCARBOXYLIC ACID OF 18 CARBON ATOMS.
References Cited (Backward Citations)
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Cited
US2398193A
Cited
US2434490A
Cited
US2442581A
Cited
US2412634A
Cited
US2442582A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |