Patent US2632694A successfully refreshed from Google Patents.
US2632694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Petroleum distillates containing ammonium mahogany sulfonates and oil soluble carboxylic acids to prevent corrosion
Assignee: Sinclair Refining Co
•
Filing: 1950-11-14
•
Granted: 1953-03-24
•
Expires: 1970-11-14
Abstract
No abstract record available.
Inventors
- 👤 Franklin M Watkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:59
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/1805; C10L1/1808; C10L1/188; C10L1/19; C10L1/24; C10L1/2431; C10L1/2437
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
LIGHT PETROLEUM DISTILLATE FRACTIONS INTO WHICH HAVE BEEN INCORPORATED IN SYNERGISTIC PROPORTIONS TO IMPART ANTI-CORROSIVE PROPERTIES TO THE DISTILLATE FRACTIONS AMOUNTS IN THE RANGE APPROXIMATING 0.2 TO 2.5 POUNDS OF AMMONIUM MAHOGANY SULFONATES ON THE OIL-FREE BASIS AND 0.05 TO 5.0 POUNDS OF A HIGHER OIL SOLUBLE CARBOXYLIC ACID CORROSION INHIBITOR SELECTED FROM THE GROUP CONSISTING OF ACYLOXYCARBOXYLIC ACIDS HAVING AT LEAST 10 CARBON ATOMS PER MOLECULE, ESTERIFIED ALPHA HYDROXY ALIPHATIC ACIDS WHEREIN THE ALIPHATIC RADICAL CONTAINS FROM 10 TO 18 CARBON ATOMS PER MOLECULE AND SYNTHETIC FATTY ACIDS HAVING UPWARDS OF 18 CARBON ATOMS PER MOLECULE AND PREPARED BY OXIDATION C34 TO C55 MICROCRYSTALLINE WAXES UNDER CONTROLLED CONDITIONS, EACH PER ONE THOUSAND BARRELS OF PETROLEUM DISTILLATE.
Claim 2
Dependent Claim
117 words
LIGHT PETROLEUM DISTILLATE FRACTIONS INTO WHICH HAVE BEEN INCORPORATED IN SYNERGISTIC PROPORTIONS TO IMPART ANTI-CORROSIVE PROPERTIES TO THE DISTILLATE FRACTIONS AMOUNTS IN THE RANGE APPROXIMATING 0.2 TO 2.5 POUNDS OF AMMONIUM MAHOGANY SULFONATES ON THE OIL-FREE BASIS AND 0.05 TO 5.0 POUNDS OF A HIGHER OIL SOLUBLE CARBOXYLIC ACID CORROSION INHIBITOR SELECTED FROM THE GROUP CONSISTING OF ACYLOXYCARBOXYLIC ACIDS HAVING AT LEAST 10 CARBON ATOMS PER MOLECULE, ESTERIFIED ALPHA HYDROXY ALIPHATIC ACIDS WHEREIN THE ALIPHATIC RADICAL CONTAINS FROM 10 TO 18 CARBON ATOMS PER MOLECULE AND SYNTHETIC FATTY ACIDS HAVING UPWARDS OF 18 CARBON ATOMS PER MOLECULE AND PREPARED BY OXIDATION C34 TO C55 MICROCRYSTALLINE WAXES UNDER CONTROLLED CONDITIONS, EACH PER ONE THOUSAND BARRELS OF PETROLEUM DISTILLATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |