US2553422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfonate grease
Assignee: Standard Oil Development Co
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Filing: 1949-06-17
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Granted: 1951-05-15
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Expires: 1969-06-17
Abstract
No abstract record available.
Inventors
- 👤 O'halloran Rosemary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:56
CPC Classifications
C; C10; C10M; C10M5/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/124; C10M2207/129; C10M2207/22; C10M2207/28; C10M2207/287; C10M2207/289; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2010/00; C10N2010/04; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A GREASE COMPOSITION COMPRISING A LUBRICATING OIL AND FROM 10 TO 30% BY WEIGHT OF A COMPLEX ADDITION PRODUCT OF AN OIL SOLUBLE ALKALINE EARTH METAL PETROLEUM SULFONATE AND AN ALKALINE EARTH METAL SALT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF LOW MOLECULAR WEIGHT CARBOXYLIC ACIDS, SAID COMPLEX ADDITION PRODUCT BEING FORMED OF FROM 28 TO 55% BY WEIGHT OF SAID ACID SALT WITH ABOUT 45 TO 72% BY WEIGHT OF THE SAID OIL SOLUBLE SULFONATE.
Claim 2
Dependent Claim
78 words
A GREASE COMPOSITION COMPRISING A LUBRICATING OIL AND FROM 10 TO 30% BY WEIGHT OF A COMPLEX ADDITION PRODUCT OF AN OIL SOLUBLE ALKALINE EARTH METAL PETROLEUM SULFONATE AND AN ALKALINE EARTH METAL SALT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF LOW MOLECULAR WEIGHT CARBOXYLIC ACIDS, SAID COMPLEX ADDITION PRODUCT BEING FORMED OF FROM 28 TO 55% BY WEIGHT OF SAID ACID SALT WITH ABOUT 45 TO 72% BY WEIGHT OF THE SAID OIL SOLUBLE SULFONATE.
References Cited (Backward Citations)
USRE23082E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |