US3000716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burning rate catalysts for solid propellant compositions
Assignee: Aerojet Rocketdyne Inc
•
Filing: 1955-06-20
•
Granted: 1961-09-19
•
Expires: 1975-06-20
Abstract
No abstract record available.
Inventors
- 👤 Ralph W Lawrence
- 👤 Gilbert A Zimmerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:48
CPC Classifications
C; C06; C06B; C06B23/00; C06B23/007; C06B45/00; C06B45/04; C06B45/06; C06B45/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A SOLID, SMOKELESS PROPELLANT COMPOSITION COMPRISING A CURED, INTIMATE MIXTURE OF FROM ABOUT 45% TO ABOUT 90% BY WEIGHT SOLID, NON-METALLIC, INORGANIC OXIDIZING SALT, FROM ABOUT 10% TO ABOUT 35% BY WEIGHT COMBUSTIBLE, ORGANIC RESIN SELECTED FROM THE GROUP CONSISTING OF: (A) ASPHALT, (B) OLEFINC POLYMERS, (C) ALKYL ALKENOATE HETEROPOLYMERIZED WITH OLEFIN, (D) UNSATURATED POLYESTER RESIN CONSISTING OF THE CONDENSATION PRODUCT OF SATURATED POLYHYDIRC ALCOHOL AND POLYCARBOXYLIC ACID HETEROPOLYMERIZED WITH AN UNSATURATED COMPOUND, AND (E) ALKENOAMIDE POLYMERS, AND FROM ABOUT 0.5% BY WEIGHT OF A BURNING RATE ACCELERATION CATALYST SELECTED FROM THE GROUP CONSISTING OF THE PERCHLORATE SALTS OF IRON, COBALT, CHROMIUM, MANGANESE, SILVER, COPPER AND MIXTURES THEREOF.
Claim 2
Dependent Claim
108 words
A SOLID, SMOKELESS PROPELLANT COMPOSITION COMPRISING A CURED, INTIMATE MIXTURE OF FROM ABOUT 45% TO ABOUT 90% BY WEIGHT SOLID, NON-METALLIC, INORGANIC OXIDIZING SALT, FROM ABOUT 10% TO ABOUT 35% BY WEIGHT COMBUSTIBLE, ORGANIC RESIN SELECTED FROM THE GROUP CONSISTING OF: (A) ASPHALT, (B) OLEFINC POLYMERS, (C) ALKYL ALKENOATE HETEROPOLYMERIZED WITH OLEFIN, (D) UNSATURATED POLYESTER RESIN CONSISTING OF THE CONDENSATION PRODUCT OF SATURATED POLYHYDIRC ALCOHOL AND POLYCARBOXYLIC ACID HETEROPOLYMERIZED WITH AN UNSATURATED COMPOUND, AND (E) ALKENOAMIDE POLYMERS, AND FROM ABOUT 0.5% BY WEIGHT OF A BURNING RATE ACCELERATION CATALYST SELECTED FROM THE GROUP CONSISTING OF THE PERCHLORATE SALTS OF IRON, COBALT, CHROMIUM, MANGANESE, SILVER, COPPER AND MIXTURES THEREOF.
References Cited (Backward Citations)
US2479828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |