US3031289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid composite propellants containing heteropolymerized polyester resins
Assignee: Aerojet Rocketdyne Inc
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Filing: 1951-02-05
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Granted: 1962-04-24
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Expires: 1971-02-05
Abstract
No abstract record available.
Inventors
- 👤 Philipson Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:29
CPC Classifications
C; C08; C08L; C08L67/00; C08L67/06; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A SOLID PROPELLENT RESIN FORMULATION COMPRISING FROM ABOUT 30% TO 50% LOWER ALKYL ACRYLATE, FROM ABOUT 5% TO 15% METHYL ACRYLATE, FROM ABOUT 5% TO 10% DIALLYL DIGLYCOLLATE, AND FROM ABOUT 5% TO 15% BY WEIGHT OF THE TOTAL RESIN FORMULATION OF ALLYL AMMONIUM PERCHLORATE HETEROPOLYMERIZED WITH FROM ABOUT 25% TO 35% BY WEIGHT OF THE TOTAL RESIN FORMULATION OF ALKYD RESIN COMPRISING THE COPOLYMERIZATION PRODUCT OF A GLYCOL SELECTED FROM THE GROUP CONSISTING OF A MIXTURE OF POLYETHYLENE GLYCOLS HAVING A MOLECULAR WEIGHT OF FROM ABOUT 300 TO ABOUT 650 AND HAVING THE FORMULA:
Claim 2
Dependent Claim
95 words
A SOLID PROPELLENT RESIN FORMULATION COMPRISING FROM ABOUT 30% TO 50% LOWER ALKYL ACRYLATE, FROM ABOUT 5% TO 15% METHYL ACRYLATE, FROM ABOUT 5% TO 10% DIALLYL DIGLYCOLLATE, AND FROM ABOUT 5% TO 15% BY WEIGHT OF THE TOTAL RESIN FORMULATION OF ALLYL AMMONIUM PERCHLORATE HETEROPOLYMERIZED WITH FROM ABOUT 25% TO 35% BY WEIGHT OF THE TOTAL RESIN FORMULATION OF ALKYD RESIN COMPRISING THE COPOLYMERIZATION PRODUCT OF A GLYCOL SELECTED FROM THE GROUP CONSISTING OF A MIXTURE OF POLYETHYLENE GLYCOLS HAVING A MOLECULAR WEIGHT OF FROM ABOUT 300 TO ABOUT 650 AND HAVING THE FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-23 | 1965-10-23 | 1966-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-23 | 1969-10-23 | 1970-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-23 | 1973-10-23 | 1974-04-24 | $7700.00 | Window Closed / Lapsed |