Patent US2595556A successfully refreshed from Google Patents.
US2595556A
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Lubricating compositions and method of preparation
Assignee: Union Oil Company of California
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Filing: 1948-06-14
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Granted: 1952-05-06
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Expires: 1968-06-14
Abstract
No abstract record available.
Inventors
- 👤 Harry J Worth
- 👤 William H Page
- 👤 James F Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:46
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/02; C10M2205/00; C10M2205/18; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/22; 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; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A METHOD OF PRODUCING A METAL SOAP COMPLEX COMPRISING REACTING A MIXTURE OF METAL SOAP AND BETWEEN ABOUT 0.1 AND 3 EQUIVALENTS OF BASICALLY REACTING METAL COMPOUND PER EQUIVALENT OF METAL SOAP WITH AN AMOUNT OF COMPLEXING AGENT EQUIVALENT TO THE BASICALLY REACTING METAL COMPOUND TO PRODUCE A SUBSTANTIALLY NEUTRAL METAL SOAP COMPLEX, SAID COMPLEXING AGENT BEING AN AMMONIA DERIVATIVE OF CARBONIC ACID.
Claim 2
Independent Claim
63 words
A METHOD OF PRODUCING A METAL SOAP COMPLEX COMPRISING REACTING A MIXTURE OF METAL SOAP AND BETWEEN ABOUT 0.1 AND 3 EQUIVALENTS OF BASICALLY REACTING METAL COMPOUND PER EQUIVALENT OF METAL SOAP WITH AN AMOUNT OF COMPLEXING AGENT EQUIVALENT TO THE BASICALLY REACTING METAL COMPOUND TO PRODUCE A SUBSTANTIALLY NEUTRAL METAL SOAP COMPLEX, SAID COMPLEXING AGENT BEING AN AMMONIA DERIVATIVE OF CARBONIC ACID.
References Cited (Backward Citations)
US1177156A
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US2417430A
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US2417431A
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US2417429A
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US2417433A
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US2417428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |