US2564422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion preventive composition
Assignee: Shell Development Co
•
Filing: 1947-04-28
•
Granted: 1951-08-14
•
Expires: 1967-04-28
Abstract
No abstract record available.
Inventors
- 👤 Barnum Emmett Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:17
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C10; C10M; C10M1/00; C10M1/08; C10M141/00; C10M141/06; 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; C10M2215/042; C10M2215/044; C10M2215/06; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/043; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/08; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/20; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 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 PENTAERYTHRITOL DIOLEATE, SORBITAN MONOOLEATE AND GLYCEROL MONOOLEATE, SAID PARTIAL ESTER BEING SOLUBILIZED IN SAID LIQUID HYDROCARBON AT LEAST 0.5% AND UP TO 10% BY WEIGHT, BY ADDITION THERETO OF A MINOR AMOUNT OF AN OIL-SOLUBLE AND UP TO 10% SALT OF A CYCLOALKYL AMINE AND AN ALIPHATIC CARBOXYLIC ACID OF AT LEAST 8 CARBON ATOMS.
Claim 2
Dependent Claim
83 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 PENTAERYTHRITOL DIOLEATE, SORBITAN MONOOLEATE AND GLYCEROL MONOOLEATE, SAID PARTIAL ESTER BEING SOLUBILIZED IN SAID LIQUID HYDROCARBON AT LEAST 0.5% AND UP TO 10% BY WEIGHT, BY ADDITION THERETO OF A MINOR AMOUNT OF AN OIL-SOLUBLE AND UP TO 10% SALT OF A CYCLOALKYL AMINE AND AN ALIPHATIC CARBOXYLIC ACID OF AT LEAST 8 CARBON ATOMS.
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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) | 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 |