Water based rolling lubricant
Abstract
Abstract A COOLANT-LUBRICANT FOR THE COLD ROOLING OF ALUMINUM AND OTHER LIGHT METALS COMPRISING AN OIL-IN-WATER EMULSION WHEREIN THE NONAQUEOUS FRACTION OF SAID EMULSION CONSISTS ESSENTIALLY OF FROM ABOUT 45 TO 90% OF A LIGHT PETROLEUM OIL, FROM ABOUT 5 TO 50% BY WEIGHT OF ESTERS OF FATTY ACIDS, FROM ABOUT 5 TO 50% BY WEIGHT OF FATTY ALCOHOLS, BETWEEN ABOUT 0.05 TO 1.0% BY WEIGHT OF AN OIL-SOLUBLE EMULSIFIER AND PREFERABLY BETWEEN ABOUT 0.05 AND 1.0% BY WEIGHT OF AN OIL-INSOLUBLE EMULSIFIER. THE NONAQUEOUS FRACTION OF SAID EMULSION AMOUNTS TO BETWEEN ABOUT 3 AND 20% OF THE TOTAL WEIGHT OF THE EMULSION. PREFERABLY, THE WATER PHASE OF THE EMULSION HAS AN ALKALI METAL SALT CONCENTRATION OF BETWEEN ABOUT 10 AND 400 PARTS PER MILLION AND A PH LEVEL BETWEEN ABOUT 5.0 AND 7.4.
Inventors
- 👤 Dole E Mc
- 👤 F Howard
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-09 | 1976-10-09 | 1977-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-09 | 1980-10-09 | 1981-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-09 | 1984-10-09 | 1985-04-10 | $7700.00 | Window Closed / Lapsed |