US3562026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of quenching employing wash solution
Assignee: Monsanto Co
•
Filing: 1967-10-24
•
Granted: 1971-02-09
•
Expires: 1987-10-24
Abstract
Abstract QUENCHING PROCESS PROVIDING AN AQUEOUS WASH SOLUTION TO REDUCE DRAGOUT LOSSES OF AN ORGANIC QUENCHANT HEAVIER THAN WATER. THE WASH SOLUTION FLOATS UPON THE SURFACE OF THE ORGANIC QUENCHANT BUT A PARTITION ALLOWS PART OF THE ORGANIC QUENCHANT SURFACE TO REMAIN EXPOSED FOR QUENCHING. IF A WATER QUENCH IS DESIRED TO PRECEDE THE ORGANIC QUENCH, AN AQUEOUS PHASE IS DISPOSED ABOVE THE ORGANIC PHASE ADJACENT THE PARTITION AND THUS ISOLATED FROM THE WASH SOLUTION.
Inventors
- 👤 Delbert J Massey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:18
CPC Classifications
C; C21; C21D; C21D1/00; C21D1/62; C21D1/63; C21D1/56
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |