US3630913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deicer composition
Assignee: Honeywell International Inc
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Filing: 1969-05-15
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Granted: 1971-12-28
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Expires: 1989-05-15
Abstract
Abstract A FLUID DEICER COMPOSITION PREFERABLY FOR USE TO DEICE AIRCRAFT RUNWAYS, CONSISTING OF FROM 22 TO 26 WEIGHT PERCENT OF UREA, 28 TO 34 WEIGHT PERCENT AMMONIUM NITRATE, AND 25 TO 30 WEIGHT PERCENT ETHYLENE GLYCOL IN WATER, TOGETHER WITH A SUFFICIENT AMOUNT OF A WATER SOLUBLE CHRO- MATE SLATE TO PROVIDE FROM 0.05 TO 0.15 PERCENT CRO4=ION TO INHIBIT CORROSION OF ALUMINUM AND MAGNESIUM METALS.
Inventors
- 👤 Herbert F Scott Jr
- 👤 Prince George
- 👤 Joseph Novotny
- 👤 Harry E Ulmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:31
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/18; C23F11/185; C09; C09K; C09K3/00; C09K3/18; C09K3/185
Claims Analysis
Total Claims: 0
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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) | 1974-12-27 | 1975-06-28 | 1975-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-27 | 1979-06-28 | 1979-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-27 | 1983-06-28 | 1983-12-28 | $7700.00 | Window Closed / Lapsed |