US3013974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing mixed-salt lubricant compositions
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1959-07-31
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Granted: 1961-12-19
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Expires: 1979-07-31
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
- 👤 Albert J Bodner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:32
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/06; C10M2201/062; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/083; C10M2201/084; C10M2201/085; C10M2201/086; C10M2205/00; C10M2205/02; C10M2205/022; C10M2205/024; C10M2205/14; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/287; C10M2207/289; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A METHOD OF PREPARING A DEHYDRATED LUBRICANT COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL AND ABOUT 5 TO 25 WT. PERCENT OF A MIXED SALT THICKENER, SAID THICKENER COMPRISING AS THE PRINCIPAL INGREDIENTS, CALCIUM SALTS OF ABOUT 1 TO 20 MOLAR PROPORTIONS OF ACETIC ACID AND ONE MOLAR PROPORTION OF A C7 TO C30 FATTY ACID, SAID METHOD COMPRISING PARTIALLY NEUTRALIZING A DISPERSION OF SAID ACIDS IN AT LEAST A PART OF SAID LUBRICATING OIL WITH AN AMOUNT OF LIME SUCH THAT THE PARTIALLY NEUTRALIZED MIXTURE HAS AN ACIDITY OF ABOUT 2 TO 10% IN TERMS OF OLEIC ACID, HEATING SAID PARTIALLY NEUTRALIZED MIXTURE AT A TEMPERATURE OF ABOUT 300* TO 350*F. UNTIL SAID ACIDITY IS REDUCED TO ABOUT 0.4 TO 4.0% IN TERMS OF OLEIC ACID, THEN NEUTRALIZING THE REMAINING ACIDITY WITH SUFFICIENT CACO2 TO OBTAIN AN ALKALINITY OF 0.5 TO 1.0 WT. PERCENT IN TERMS OF NAOH, FOLLOWED BY COOLING TO FORM SAID GREASE.
Claim 2
Independent Claim
157 words
A METHOD OF PREPARING A DEHYDRATED LUBRICANT COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL AND ABOUT 5 TO 25 WT. PERCENT OF A MIXED SALT THICKENER, SAID THICKENER COMPRISING AS THE PRINCIPAL INGREDIENTS, CALCIUM SALTS OF ABOUT 1 TO 20 MOLAR PROPORTIONS OF ACETIC ACID AND ONE MOLAR PROPORTION OF A C7 TO C30 FATTY ACID, SAID METHOD COMPRISING PARTIALLY NEUTRALIZING A DISPERSION OF SAID ACIDS IN AT LEAST A PART OF SAID LUBRICATING OIL WITH AN AMOUNT OF LIME SUCH THAT THE PARTIALLY NEUTRALIZED MIXTURE HAS AN ACIDITY OF ABOUT 2 TO 10% IN TERMS OF OLEIC ACID, HEATING SAID PARTIALLY NEUTRALIZED MIXTURE AT A TEMPERATURE OF ABOUT 300* TO 350*F. UNTIL SAID ACIDITY IS REDUCED TO ABOUT 0.4 TO 4.0% IN TERMS OF OLEIC ACID, THEN NEUTRALIZING THE REMAINING ACIDITY WITH SUFFICIENT CACO2 TO OBTAIN AN ALKALINITY OF 0.5 TO 1.0 WT. PERCENT IN TERMS OF NAOH, FOLLOWED BY COOLING TO FORM SAID GREASE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |