US2854408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating grease compositions containing aliphatic sulfonic acid soap
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1955-11-07
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Granted: 1958-09-30
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Expires: 1975-11-07
Abstract
No abstract record available.
Inventors
- 👤 Jr William H Brugmann
- 👤 Jeffrey H Bartlett
- 👤 Arnold J Morway
- 👤 Jr Frederick Knoth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:05
CPC Classifications
C; C10; C10M; C10M5/00; C10M2207/00; C10M2207/04; C10M2207/046; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/124; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/30; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/10; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A LUBRICATING GREASE COMPOSITION COMPRISING A MAJOR PROPORTION OF A MINERAL LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY WITH 5 TO 30 WT. % OF AN OIL-INSOLUBLE METAL SOAP OF A SUBSTANTIALLY STRAIGHT CHAIN ALIPHATIC SULFONIC ACID CONTAINING FROM 10 TO 20 CARBON ATOMS PER MOLECULE IN THE ALIPHATIC PORTION THEREOF SAID ALIPHATIC SULFONIC ACID BEING THE SOLE SULFONIC ACID PERCENT.
Claim 2
Dependent Claim
61 words
A LUBRICATING GREASE COMPOSITION COMPRISING A MAJOR PROPORTION OF A MINERAL LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY WITH 5 TO 30 WT. % OF AN OIL-INSOLUBLE METAL SOAP OF A SUBSTANTIALLY STRAIGHT CHAIN ALIPHATIC SULFONIC ACID CONTAINING FROM 10 TO 20 CARBON ATOMS PER MOLECULE IN THE ALIPHATIC PORTION THEREOF SAID ALIPHATIC SULFONIC ACID BEING THE SOLE SULFONIC ACID PERCENT.
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) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |