US3012506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Restricted ammonium nitrate propellant
Assignee: —
•
Filing: —
•
Granted: 1961-12-12
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Expires: 1978-12-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:41
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/12; C06B21/00; C06B21/0033; C06B45/04; C06B45/06; C06B45/10; F; F02; F02K; F02K9/00; F02K9/08; F02K9/32; F02K9/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A SOLID PROPELLANT COMPRISING A SHAPED BODY PORTION, FORMED OF AMMONIUM NITRATE AS THE MAJOR COMPONENT AND AN OXIDIZABLE BINDER THEREFOR, AND A COMBUSTION RESTRICTOR COAT POSITIONED IMMEDIATELY CONTIGUOUS TO THAT PART OF THE SURFACE OF SAID BODY WHERE DIRECT BURNING IS TO BE PREVENTED, WHICH RESTRICTOR CONSISTS ESSENTIALLY OF THE RESIN REACTION PRODUCT OF (A) AN EPOXY RESIN HAVING AN EPOXIDE EQUIVALENT WEIGHT BETWEEN AND ABOUT 165 AND 215 DERIVED FROM EPICHLOROHYDRIN AND A BISPHENOL WITH (B) A LIQUID POLYMERIC POLYAMIDE REACTION PRODUCT OF POLYENE FATTY ACIDS AND AN ALIPHATIC POLYAMINE, SAID POLYAMIDE HAVING AN AMINE NUMBER BETWEEN ABOUT 250 AND 350 AND WITH (C) A POLYMETHOXY ACETAL HAVING THE FORMULA
Claim 2
Dependent Claim
112 words
A SOLID PROPELLANT COMPRISING A SHAPED BODY PORTION, FORMED OF AMMONIUM NITRATE AS THE MAJOR COMPONENT AND AN OXIDIZABLE BINDER THEREFOR, AND A COMBUSTION RESTRICTOR COAT POSITIONED IMMEDIATELY CONTIGUOUS TO THAT PART OF THE SURFACE OF SAID BODY WHERE DIRECT BURNING IS TO BE PREVENTED, WHICH RESTRICTOR CONSISTS ESSENTIALLY OF THE RESIN REACTION PRODUCT OF (A) AN EPOXY RESIN HAVING AN EPOXIDE EQUIVALENT WEIGHT BETWEEN AND ABOUT 165 AND 215 DERIVED FROM EPICHLOROHYDRIN AND A BISPHENOL WITH (B) A LIQUID POLYMERIC POLYAMIDE REACTION PRODUCT OF POLYENE FATTY ACIDS AND AN ALIPHATIC POLYAMINE, SAID POLYAMIDE HAVING AN AMINE NUMBER BETWEEN ABOUT 250 AND 350 AND WITH (C) A POLYMETHOXY ACETAL HAVING THE FORMULA
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) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |