Patent US2618598A successfully refreshed from Google Patents.
US2618598A
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High-temperature lubricating grease
Assignee: Standard Oil Development Co
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Filing: 1950-02-08
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Granted: 1952-11-18
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Expires: 1970-02-08
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
- 👤 Jr Paul V Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:34
CPC Classifications
C; C10; C10M; C10M5/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/085; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A LUBRICATING GREASE COMPOSITION COMPRISING A LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY WITH A SALT-SOAP COMPLEX WHICH COMPRISES THE REACTION PRODUCT OF 0.1 TO 10% BY WEIGHT BASED ON THE TOTAL COMPOSITION OF A METAL BASE WITH A LOW MOLECULAR WEIGHT ACID OF FORMULA R1SR2COOH, WHEREIN R1 AND R2 ARE EACH ALIPHATIC HYDROCARBON GROUPS OF 1 TO 2 CARBON ATOMS, SAID THICKENER COMPRISING ALSO 5 TO 35% BY WEIGHT, BASED ON THE TOTAL COMPOSITION OF A SOAP OF A LONG CHAIN FATTY ACID HAVING BETWEEN 12 AND 24 CARBON ATOMS.
Claim 2
Dependent Claim
91 words
A LUBRICATING GREASE COMPOSITION COMPRISING A LUBRICATING OIL THICKENED TO A GREASE CONSISTENCY WITH A SALT-SOAP COMPLEX WHICH COMPRISES THE REACTION PRODUCT OF 0.1 TO 10% BY WEIGHT BASED ON THE TOTAL COMPOSITION OF A METAL BASE WITH A LOW MOLECULAR WEIGHT ACID OF FORMULA R1SR2COOH, WHEREIN R1 AND R2 ARE EACH ALIPHATIC HYDROCARBON GROUPS OF 1 TO 2 CARBON ATOMS, SAID THICKENER COMPRISING ALSO 5 TO 35% BY WEIGHT, BASED ON THE TOTAL COMPOSITION OF A SOAP OF A LONG CHAIN FATTY ACID HAVING BETWEEN 12 AND 24 CARBON ATOMS.
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) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |