US2671759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rust preventive grease containing a polyvalent metal sulfonate and a wax oxidation product
Assignee: Texaco Inc
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Filing: 1950-12-12
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Granted: 1954-03-09
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Expires: 1970-12-12
Abstract
No abstract record available.
Inventors
- 👤 George W Eckert
- 👤 Theodore W Langer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:35
CPC Classifications
C; C10; C10M; C10M5/00; C10M2203/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/40; C10M2207/404; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/14; C10N2010/16; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10; C10N2060/00; C10N2060/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A LUBRICATING GREASE ADAPTED FOR THE LUBRICATION OF HIGH-SPEED BALL AND ROLLER BEARING UNDER SEVERE RUSTING CONDITIONS COMPRISING ESSENTIALLY A MINERAL LUBRICATING OIL AS THE PREDOMINANT CONSTITUENT THICKENED TO A GREASE CONSISTENCY WITH ABOUT 7-25% BY WEIGHT OF THE LITHIUM SOAP OF A SAPONIFIABLE MATERIAL CONSISTING OF A MAJOR PROPORTION OF A SOAP FORMING HYDROXY FATTY MATERIAL AND A MINOR PROPORTION OF A NON-HYDROXY SOAP FORMING SATURATED HIGHER FATTY ACID, SAID LUBRICATING GREASE ALSO CONTAINING ABOUT 0.7-1.05% BY WEIGHT OF A CALCIUM SALT OF MAHOGANY SULFONIC ACIDS ABOUT 2-3% BY WEIGHT OF A SYNTHETIC ACID PRODUCT HAVING A NEUTRALIZATION NUMBER FROM ABOUT 50 TO ABOUT 100 OBTAINED BY THE PARTIAL OXIDATION OF PETROLEUM WAX, AND ABOUT 2-3% OF TALLOW, SAID GREASE BEING CAPABLE OF PREVENTING SUBSTANTIALLY ANY RUSTING OF STEEL PANELS IN THE SALT SPRAY RUSTING TEST FOR PERIODS UP TO 100 HOURS.
Claim 2
Dependent Claim
143 words
A LUBRICATING GREASE ADAPTED FOR THE LUBRICATION OF HIGH-SPEED BALL AND ROLLER BEARING UNDER SEVERE RUSTING CONDITIONS COMPRISING ESSENTIALLY A MINERAL LUBRICATING OIL AS THE PREDOMINANT CONSTITUENT THICKENED TO A GREASE CONSISTENCY WITH ABOUT 7-25% BY WEIGHT OF THE LITHIUM SOAP OF A SAPONIFIABLE MATERIAL CONSISTING OF A MAJOR PROPORTION OF A SOAP FORMING HYDROXY FATTY MATERIAL AND A MINOR PROPORTION OF A NON-HYDROXY SOAP FORMING SATURATED HIGHER FATTY ACID, SAID LUBRICATING GREASE ALSO CONTAINING ABOUT 0.7-1.05% BY WEIGHT OF A CALCIUM SALT OF MAHOGANY SULFONIC ACIDS ABOUT 2-3% BY WEIGHT OF A SYNTHETIC ACID PRODUCT HAVING A NEUTRALIZATION NUMBER FROM ABOUT 50 TO ABOUT 100 OBTAINED BY THE PARTIAL OXIDATION OF PETROLEUM WAX, AND ABOUT 2-3% OF TALLOW, SAID GREASE BEING CAPABLE OF PREVENTING SUBSTANTIALLY ANY RUSTING OF STEEL PANELS IN THE SALT SPRAY RUSTING TEST FOR PERIODS UP TO 100 HOURS.
References Cited (Backward Citations)
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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) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |