US3661796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prevention of corrosion on aluminum metal and its alloys
Assignee: Daubert Chemical Co Inc
•
Filing: 1970-05-05
•
Granted: 1972-05-09
•
Expires: 1990-05-05
Abstract
Abstract COMPOSITIONS FOR, AND A METHOD OF, PREVENTING THE OXIDATION AND/OR PITTING OF THE SURFACE OF ALUMINUM METAL AND ALUMINUM METAL ALLOYS, THE COMPOSITIONS COMPRISING AS THEIR ESSENTIAL ACTIVE INGREDIENT A MORPHOLINE SALT OF A C5-C22 MONOCARBOXYLIC OR FATTY ACID EXEMPLIFIED BY MORPHOLINE CAPRYLATE. THE MORPHOLINE SALT ADVANTAGEOUSLY IS UTILIZED IN CONJUNCTION WITH AN ALUMINUM METAL LUBRICANT SUCH AS A MINERAL OIL, THE CONCENTRATION OF THE SALT IN THE LUBRICANT BEING ABOUT 0.1% TO ABOUT 99, BY WEIGHT.
Inventors
- 👤 William A Erby
- 👤 Paul W Thorsell
- 👤 Perlita A Ilagan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:24
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/149
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) | 1975-05-09 | 1975-11-08 | 1976-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-09 | 1979-11-08 | 1980-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-09 | 1983-11-08 | 1984-05-09 | $7700.00 | Window Closed / Lapsed |