US3702792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel polybasic propellant
Assignee: Wasag Chemie AG
•
Filing: 1971-09-15
•
Granted: 1972-11-14
•
Expires: 1991-09-15
Abstract
Abstract A NOVEL PROCESS FOR THE PREPARATION OF A POLYBASIC PROPELLANT POWDER HAVING A PROGRESSIVE RATE OF COMBUSTION BY FORMING A POLYBASIC PROPELLANT CONTAINING WATER-SOLUBLE, NITROGEN-RICH COMPOUNDS, TREATING THE SAID PROPELLANT WITH AN AQUEOUS MEDIA TO DISSOLVE THE SAID WATER-SOLUBLE COMPOUND OUT OF THE SURFACE LAYER AND INTRODUCING INTO THE RESULTING PORES A DESENSITIZER TO CONTROL THE RATE OF COMBUSTION AND THE PROPELLANT PRODUCED BY THE PROCESS.
Inventors
- 👤 Helmuth Nolte
- 👤 Paul Lindemann
- 👤 Walter Hahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:10
CPC Classifications
C; C06; C06B; C06B21/00; C06B21/0083
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) | 1975-11-14 | 1976-05-15 | 1976-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-14 | 1980-05-15 | 1980-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-14 | 1984-05-15 | 1984-11-14 | $7700.00 | Window Closed / Lapsed |