US2562814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfonate lubricating grease
Assignee: Standard Oil Development Co
•
Filing: 1949-03-05
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Granted: 1951-07-31
•
Expires: 1969-03-05
Abstract
No abstract record available.
Inventors
- 👤 O'halloran Rosemary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:17
CPC Classifications
C; C10; C10M; C10M5/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/124; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/289; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A LUBRICATING GREASE COMPOSITION CONSISTING ESSENTIALLY OF A LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY WITH A COMPLEX COMBINED THICKENER OF 5 TO 20% BY WEIGHT, BASED ON THE TOTAL COMPOSITION, OF OIL SOLUBL EMETAL SULFONATE DERIVED FROM RELATIVELY HIGH MOLEUCLAR WEIGHT PETROLEUM SULFONIC ACIDS COMBINED WITH 0.5 TO 15% BY WEIGHT OF AN OIL INSOLUBLE METAL SALT OF RELATIVELY LOW MOLECULAR WEIGHT ACID, AND A STRUCTURE MODIFIER COMPRISING 0.1 TO 5% OF AN ESTER OF POLYHYDRIC ALCOHOL AND ORGANIC ACID OF 12 TO 24 CARBON ATOMS.
Claim 2
Dependent Claim
87 words
A LUBRICATING GREASE COMPOSITION CONSISTING ESSENTIALLY OF A LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY WITH A COMPLEX COMBINED THICKENER OF 5 TO 20% BY WEIGHT, BASED ON THE TOTAL COMPOSITION, OF OIL SOLUBL EMETAL SULFONATE DERIVED FROM RELATIVELY HIGH MOLEUCLAR WEIGHT PETROLEUM SULFONIC ACIDS COMBINED WITH 0.5 TO 15% BY WEIGHT OF AN OIL INSOLUBLE METAL SALT OF RELATIVELY LOW MOLECULAR WEIGHT ACID, AND A STRUCTURE MODIFIER COMPRISING 0.1 TO 5% OF AN ESTER OF POLYHYDRIC ALCOHOL AND ORGANIC ACID OF 12 TO 24 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) | 1954-07-30 | 1955-01-29 | 1955-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-30 | 1959-01-29 | 1959-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-30 | 1963-01-29 | 1963-07-31 | $7700.00 | Window Closed / Lapsed |