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US2934500A Expired / Lapsed US ⏱️ 0.0 years remaining

Anti-corrosion compositions and mineral oil compositions containing the same

Assignee: Gulf Oil Corp
•
Filing: 1956-05-11
•
Granted: 1960-04-26
•
Expires: 1976-05-11
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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 03:02
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.

References Cited (Backward Citations)

US2167867A Cited
US2151300A Cited
US2372244A Cited
US2420068A Cited
US2506310A Cited
US2783204A Cited

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

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