Patent US2859179A successfully refreshed from Google Patents.
US2859179A
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US
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Polyvalent metal mono and dicarboxylic acid soap thickened lubricating oil
Assignee: Witco Corp
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Filing: 1955-01-04
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Granted: 1958-11-04
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Expires: 1975-01-04
Abstract
No abstract record available.
Inventors
- 👤 John H Lux
- 👤 Parker Konrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:11
CPC Classifications
C; C10; C10M; C10M5/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/125; C10M2207/128; C10M2207/129; C10M2207/22; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A GREASE COMPRISING A LUBRICATING OIL AND A GREASE THICKENING AMOUNT OF A POLYVALENT METAL SOAP, SAID SOAP COMPRISING SOAP MOLECULES CO-FORMED BY REACTION OF POLYVALENT METAL IONS WITH MIXED MONO AND POLYCARBOXYLIC ACIDS, SAID POLYCARBOXYLIC ACID IN THE SOAP IS SEBACIC ACID, THE PROPORTION OF SEBACIC ACID BEING FROM ABOUT 0.5% TO 25% OF THE TOTAL CARBOXYLIC ACID BY WEIGHT AND THE MONOCARBOXYLIC ACID BEING OF THE CLASS CONSISTING OF THE FATTY ACID CONTAINING FROM 8 TO 22 CARBON ATOMS.
Claim 2
Dependent Claim
81 words
A GREASE COMPRISING A LUBRICATING OIL AND A GREASE THICKENING AMOUNT OF A POLYVALENT METAL SOAP, SAID SOAP COMPRISING SOAP MOLECULES CO-FORMED BY REACTION OF POLYVALENT METAL IONS WITH MIXED MONO AND POLYCARBOXYLIC ACIDS, SAID POLYCARBOXYLIC ACID IN THE SOAP IS SEBACIC ACID, THE PROPORTION OF SEBACIC ACID BEING FROM ABOUT 0.5% TO 25% OF THE TOTAL CARBOXYLIC ACID BY WEIGHT AND THE MONOCARBOXYLIC ACID BEING OF THE CLASS CONSISTING OF THE FATTY ACID CONTAINING FROM 8 TO 22 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) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |