US3728270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemiluminescent formulation containing inorganic salt solution
Assignee: United States Department of the Navy
•
Filing: 1965-07-30
•
Granted: 1973-04-17
•
Expires: 1985-07-30
Abstract
Abstract A METHOD FOR INCREASING THE EFFICIENCY IN CHEMILUMINESCENCE OF THE COMPOSITION, TETRAKIS(DIMETHYLAMINO) ETHYLENE (TMAE), FOR USE IN NOCTURNAAL MARKERS WHERE FIRE RETARDANT MATERIALS SHOULD BE UTILIZED WHICH COMPRISES ADDING AN INORGANIC SALT OF THE ALKALI OR ALKALINE EARTH METALS TO THE COMPOSITION TMAE AT ROOM TEMPERATURE IN THE ABSENCE OF AIR.
Inventors
- 👤 E Bens
- 👤 C Morley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:40
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/06; C09K11/07
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) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |