US2595557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating composition
Assignee: Union Oil Company of California
•
Filing: 1950-08-28
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Granted: 1952-05-06
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Expires: 1970-08-28
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
2026-10-25 18:19
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; 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
67 words
A METHOD OF PRODUCING A METAL SOAP COMPLEX COMPRISING REACTING A MIXTURE OF ALKALI METAL SOAP AND BETWEEN ABOUT 0.1 AND 3 EQUIVALENTS OF BASICALLY REACTING ALKALI METAL COMPOUND PER EQUIVALENT OF METAL SOAP WITH AN AMOUNT OF COMPLEXING AGENT EQUIVALENT TO THE BASICALLY REACTING ALKALI METAL COMPOUND TO PRODUCE A SUBSTANTIALLY NEUTRAL ALKALI METAL SOAP COMPLEX, SAID COMPLEXING AGENT BEING AN AMMONIA DERIVATIVE OF CARBONIC ACID.
Claim 2
Independent Claim
67 words
A METHOD OF PRODUCING A METAL SOAP COMPLEX COMPRISING REACTING A MIXTURE OF ALKALI METAL SOAP AND BETWEEN ABOUT 0.1 AND 3 EQUIVALENTS OF BASICALLY REACTING ALKALI METAL COMPOUND PER EQUIVALENT OF METAL SOAP WITH AN AMOUNT OF COMPLEXING AGENT EQUIVALENT TO THE BASICALLY REACTING ALKALI METAL COMPOUND TO PRODUCE A SUBSTANTIALLY NEUTRAL ALKALI METAL SOAP COMPLEX, SAID COMPLEXING AGENT BEING AN AMMONIA DERIVATIVE OF CARBONIC ACID.
References Cited (Backward Citations)
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 |