Patent US1492919A successfully refreshed from Google Patents.
US3178367A
Expired / Lapsed
US
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Method of preparing finely divided solid metal salts
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1961-06-12
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Granted: 1965-04-13
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Expires: 1981-06-12
Abstract
No abstract record available.
Inventors
- 👤 Alan S Dubin
- 👤 Panzer Jerome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:51
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/083; C10M2201/084; C10M2201/085; C10M2201/10; C10M2201/105; C10M2201/14; C10M2203/00; C10M2203/10; C10M2203/104; C10M2203/106; C10M2205/00; C10M2205/02; C10M2205/026; C10M2205/18; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/287; C10M2207/289; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/12; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10M2217/00; C10M2217/04; C10M2217/044; C10M2217/045; C10M2219/00; C10M2219/04; C10M2219/046; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2225/00; C10M2225/04; C10M2225/041; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/14; C10N2010/16; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A METHOD FOR FORMING A DISPERSION OF A FINELY DIVIDED METAL SALT IN A LUBRICATING OIL, SAID METAL SALT BEING A SALT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF C2 TO C4 FATTY ACIDS AND INORGANIC MINERAL ACIDS, WHICH COMPRISES THE FOLLOWING STEPS: (A) FORMING A SOLUTION OF SAID SALT IN A FIRST SOLVENT; (B) FORMING A MIXTURE OF SAID SOLUTION WITH A SECOND SOLVENT THAT IS MISCIBLE WITH SAID FIRST SOLVENT, SAID METAL SALT BEING ESSENTIALLY COMPLETELY INSOLUBLE IN THE MIXTURE F SAID TWO SOLVENTS, WHEREBY SAID SALT PRECIPITATES FROM SAID MIXTURE IN THE FORM OF PARTICLES HAVING A SIZE LESS THAN 2 MICRONS; (C) DISPERSING SAID MIXTURE OF SOLVENTS AND FINELY DIVIDED METAL SALT IN A LUBRICATING OIL; AND (D) REMOVING SAID SOLVENTS FROM THE DISPERSION.
Claim 2
Independent Claim
130 words
A METHOD FOR FORMING A DISPERSION OF A FINELY DIVIDED METAL SALT IN A LUBRICATING OIL, SAID METAL SALT BEING A SALT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF C2 TO C4 FATTY ACIDS AND INORGANIC MINERAL ACIDS, WHICH COMPRISES THE FOLLOWING STEPS: (A) FORMING A SOLUTION OF SAID SALT IN A FIRST SOLVENT; (B) FORMING A MIXTURE OF SAID SOLUTION WITH A SECOND SOLVENT THAT IS MISCIBLE WITH SAID FIRST SOLVENT, SAID METAL SALT BEING ESSENTIALLY COMPLETELY INSOLUBLE IN THE MIXTURE F SAID TWO SOLVENTS, WHEREBY SAID SALT PRECIPITATES FROM SAID MIXTURE IN THE FORM OF PARTICLES HAVING A SIZE LESS THAN 2 MICRONS; (C) DISPERSING SAID MIXTURE OF SOLVENTS AND FINELY DIVIDED METAL SALT IN A LUBRICATING OIL; AND (D) REMOVING SAID SOLVENTS FROM THE DISPERSION.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |