Patent US2934500A successfully refreshed from Google Patents.
US2934500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-corrosion compositions and mineral oil compositions containing the same
Assignee: Gulf Oil Corp
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Filing: 1956-05-11
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Granted: 1960-04-26
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Expires: 1976-05-11
Abstract
No abstract record available.
Inventors
- 👤 Troy L Cantrell
- 👤 John G Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:57
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C10; C10M; C10M1/00; C10M1/08; C23F11/167; C23F11/1673; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/044; C10M2215/24; C10M2215/26; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10N; C10N2030/00; C10N2030/12; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
71 words
A CORROSION INHABITING COMPOSITION CONSISTING ESSENTIALLY OF A COMBINATION OF AN OIL-SOLUBLE ALIPHATIC AMINE CONTAINING 8 TO 18 CARBON ATOMS AND A SUBSTANTIALLY NEUTRAL ADDITION PRODUCT OF AN OLEFIN OXIDE THAT CONTAINS 2 TO 4 CARBON ATOMS PER MOLCULE AND A DIALKLY ACID O-PHOSPHATE WHOSE ALKLY GROUPS CONTAIN 5 TO 8 CARBON ATOMS, THE WEIGHT RATIO OF SAID AMINE AND SAID SUBSTANTIALLY NEUTRAL ADDITION PRODUCT BEING ABOUT 1:50 TO ABOUT 1:1.
Claim 2
Dependent Claim
71 words
A CORROSION INHABITING COMPOSITION CONSISTING ESSENTIALLY OF A COMBINATION OF AN OIL-SOLUBLE ALIPHATIC AMINE CONTAINING 8 TO 18 CARBON ATOMS AND A SUBSTANTIALLY NEUTRAL ADDITION PRODUCT OF AN OLEFIN OXIDE THAT CONTAINS 2 TO 4 CARBON ATOMS PER MOLCULE AND A DIALKLY ACID O-PHOSPHATE WHOSE ALKLY GROUPS CONTAIN 5 TO 8 CARBON ATOMS, THE WEIGHT RATIO OF SAID AMINE AND SAID SUBSTANTIALLY NEUTRAL ADDITION PRODUCT BEING ABOUT 1:50 TO ABOUT 1:1.
Claim 3
Dependent Claim
83 words
A MINERAL OIL COMPOSITION SELECTED FROM THE GROUP CONSISTING OF FUEL AND LUBRICANT COMPOSITIONS, COMPRISING A MAJOR AMOUNT OF A MINERAL OIL AND A MINOR AMOUNT, SUFFICIENT TO CONFER CORROSION INHIBITING PROPERTIES UPON THE COMPOSITION, OF A COMBINATION OF (A) MIXED OILSOLUBLE N-ALKYL AMINES CONTAINING 8 TO 18 CARBON ATOMS AND (B) A SUBSTANTIALLY NEUTRAL ADDITION PRODUCT OF PROPYLENE OXIDE AND DI-(3-METHYLBUTYL) ACID O-PHOSPHATE, WHERE THE WEIGHT RATIO OF SAID AMINES AND SAID SUBSTANTIALLY NEUTRAL ADDITION PRODUCTS IS ABOUT 1:50 TO ABOUT 1:1.
Claim 4
Dependent Claim
83 words
A MINERAL OIL COMPOSITION SELECTED FROM THE GROUP CONSISTING OF FUEL AND LUBRICANT COMPOSITIONS, COMPRISING A MAJOR AMOUNT OF A MINERAL OIL AND A MINOR AMOUNT, SUFFICIENT TO CONFER CORROSION INHIBITING PROPERTIES UPON THE COMPOSITION, OF A COMBINATION OF (A) MIXED OILSOLUBLE N-ALKYL AMINES CONTAINING 8 TO 18 CARBON ATOMS AND (B) A SUBSTANTIALLY NEUTRAL ADDITION PRODUCT OF PROPYLENE OXIDE AND DI-(3-METHYLBUTYL) ACID O-PHOSPHATE, WHERE THE WEIGHT RATIO OF SAID AMINES AND SAID SUBSTANTIALLY NEUTRAL ADDITION PRODUCTS IS ABOUT 1:50 TO ABOUT 1:1.
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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) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |