US2971014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil soluble metal containing compositions and process for making same
Assignee: Lubrizol Corp
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Filing: 1958-09-26
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Granted: 1961-02-07
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Expires: 1978-09-26
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Mastin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:04
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/20; C10M159/24; C10M159/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
THE PROCESS OF PREPARING OIL-SOLUBLE COMPOSITIONS CONTAINING STOCHIOMETRICALLY LARGE AMOUNTS OF METAL WHICH COMPRISES PREPARING A MIXTURE OF (A) AN ALKYLATED PHENOL, (B) AN OIL-SOLUBLE, METAL-FREE, NON-TAUTOMERIC POLAR COMPOUND HAVING AT LEAST 12 ALIPHATIC CARBON ATOMS, SELECTED FROM THE CLASS CONSISTING OF SULFOXIDES, ESTERS, ALCOHOLS AND AMINES IN AN AMOUNT GREATER THAN THAT OF (A) ON A WEIGHT BASIS, AND (C) AT LEAST TWO EQUIVALENTS OF A BASIC INORGANIC METAL COMPOUND SELECTED FROM THE CLASS CONSISTING OF BARIUM AND LITHIUM OXIDES AND HYDROXIDES, PER EQUIVALENT OF (A), AND HEATING SAID MIXTURE TO DIRVE OFF SUBSTANTIALLY ALL FREE WATER WHICH MAY BE PRESENT AND THEN TREATING SAID WATERFREE MIXTURE WITH AN ACIDIC GAS SELECTED FROM THE CLASS CONSISTING OF CARBON DIOXIDE AND SULFUR DIOXIDE UNTIL THE TITRATABLE BASICITY OF THE MIXTURE HAS BEEN REDUCED TO A BASE NUMBER LESS THAN 10.
Claim 2
Dependent Claim
140 words
THE PROCESS OF PREPARING OIL-SOLUBLE COMPOSITIONS CONTAINING STOCHIOMETRICALLY LARGE AMOUNTS OF METAL WHICH COMPRISES PREPARING A MIXTURE OF (A) AN ALKYLATED PHENOL, (B) AN OIL-SOLUBLE, METAL-FREE, NON-TAUTOMERIC POLAR COMPOUND HAVING AT LEAST 12 ALIPHATIC CARBON ATOMS, SELECTED FROM THE CLASS CONSISTING OF SULFOXIDES, ESTERS, ALCOHOLS AND AMINES IN AN AMOUNT GREATER THAN THAT OF (A) ON A WEIGHT BASIS, AND (C) AT LEAST TWO EQUIVALENTS OF A BASIC INORGANIC METAL COMPOUND SELECTED FROM THE CLASS CONSISTING OF BARIUM AND LITHIUM OXIDES AND HYDROXIDES, PER EQUIVALENT OF (A), AND HEATING SAID MIXTURE TO DIRVE OFF SUBSTANTIALLY ALL FREE WATER WHICH MAY BE PRESENT AND THEN TREATING SAID WATERFREE MIXTURE WITH AN ACIDIC GAS SELECTED FROM THE CLASS CONSISTING OF CARBON DIOXIDE AND SULFUR DIOXIDE UNTIL THE TITRATABLE BASICITY OF THE MIXTURE HAS BEEN REDUCED TO A BASE NUMBER LESS THAN 10.
References Cited (Backward Citations)
US2616924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |