US3346546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High energy propellant binders
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1960-12-21
•
Granted: 1967-10-10
•
Expires: 1980-12-21
Abstract
No abstract record available.
Inventors
- 👤 Leland K Beach
- 👤 Gardiner John Brooke
- 👤 Richard P Rhodes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:51
CPC Classifications
C; C08; C08C; C08C19/00; C08C19/22; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B45/105; C08C19/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A MODIFIED UNSATURATED CARBON CHAIN POLYMER CONTAINING AN NF2 GROUP LINKED TO EACH OF A NUMBER OF CARBON ATOMS IN SAID CHAIAN, AND LINKED TO CARBON ATOMS IN SAID CHAIN A CROSS-LINKING FUNCTION SELECTED FROM THE GROUP CONSISTING OF CARBOXY ACID, AMIDE, OXYHALIDE, EPOXIDE, ACID ESTER, ISOCYANATE AND ACID ANHYDRIDE, THE THUS LINKED NF2 GROUPS GIVING THE MODIFIED POLYMER AN N2F4 CONTENT IN THE RANGE OF 34.7 TO 62.7 WT. PERCENT.
Claim 2
Dependent Claim
71 words
A MODIFIED UNSATURATED CARBON CHAIN POLYMER CONTAINING AN NF2 GROUP LINKED TO EACH OF A NUMBER OF CARBON ATOMS IN SAID CHAIAN, AND LINKED TO CARBON ATOMS IN SAID CHAIN A CROSS-LINKING FUNCTION SELECTED FROM THE GROUP CONSISTING OF CARBOXY ACID, AMIDE, OXYHALIDE, EPOXIDE, ACID ESTER, ISOCYANATE AND ACID ANHYDRIDE, THE THUS LINKED NF2 GROUPS GIVING THE MODIFIED POLYMER AN N2F4 CONTENT IN THE RANGE OF 34.7 TO 62.7 WT. PERCENT.
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |