US3087844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid composite propellants containing aziridinyl curing agents
Assignee: Phillips Petroleum Co
•
Filing: 1959-07-24
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Granted: 1963-04-30
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Expires: 1979-07-24
Abstract
No abstract record available.
Inventors
- 👤 Paul S Hudson
- 👤 Charles C Bice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:11
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C08; C08K; C08K5/00; C08K5/49; C08K5/5399
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A SOLID PROPELLANT COMPOSITION COMPRISING AN INORGANIC OXIDIZING SALT AND A SYNTHETIC SOLID POLYMER FORMED BY REACTING IN ADMIXTURE WITH SAID AN UNCURED POLYMER SELECTED FROM THE GROUP CONSISTING OF LIQUID AND SEMISOLD POLYMER OF A MONOMER SELECTED FROM THE GROUP CONSISTING OF CONJUGATED DIENES HAVING 4 TO 12 CARBON ATOMS PER MOLECULE, ARYL-SUBSTITUTED OLEFINS, PYRIDINE AND QUINOLINE DERIVATIVES CONTAINING AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF VINYL AND ALPHAMETHYLVINYL, ACRYLIC ACID ESTERS, ALKACRYLIC ACID ESTER, VINYLFURAN AND VINYLCARBAZOLE, SAID UNCURED POLYMER CONTAINING AT LEAST 1 ACID GROUP OF AN ELEMENT SELECTED FROM THE GROUP
Claim 2
Dependent Claim
98 words
A SOLID PROPELLANT COMPOSITION COMPRISING AN INORGANIC OXIDIZING SALT AND A SYNTHETIC SOLID POLYMER FORMED BY REACTING IN ADMIXTURE WITH SAID AN UNCURED POLYMER SELECTED FROM THE GROUP CONSISTING OF LIQUID AND SEMISOLD POLYMER OF A MONOMER SELECTED FROM THE GROUP CONSISTING OF CONJUGATED DIENES HAVING 4 TO 12 CARBON ATOMS PER MOLECULE, ARYL-SUBSTITUTED OLEFINS, PYRIDINE AND QUINOLINE DERIVATIVES CONTAINING AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF VINYL AND ALPHAMETHYLVINYL, ACRYLIC ACID ESTERS, ALKACRYLIC ACID ESTER, VINYLFURAN AND VINYLCARBAZOLE, SAID UNCURED POLYMER CONTAINING AT LEAST 1 ACID GROUP OF AN ELEMENT SELECTED FROM THE GROUP
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |