US3332812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polybutadiene-n2f4 addition product
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1961-03-08
•
Granted: 1967-07-25
•
Expires: 1981-03-08
Abstract
No abstract record available.
Inventors
- 👤 Donald A Guthrie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:21
CPC Classifications
C; C08; C08C; C08C19/00; C08C19/22
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
20 words
POLYBUTADIENE-N2F4 ADDITON PRODUCT CONTAINING FROM 62 TO ABOUT 66 WT. PERCENT OF NF2 ADDED TO THE DOUBLE BONDS OF POLYBUTADIENE.
Claim 2
Dependent Claim
20 words
POLYBUTADIENE-N2F4 ADDITON PRODUCT CONTAINING FROM 62 TO ABOUT 66 WT. PERCENT OF NF2 ADDED TO THE DOUBLE BONDS OF POLYBUTADIENE.
Claim 3
Dependent Claim
42 words
A HIGH-ENERGY POLYMER USEFUL AS A ROCKET PROPLELLANT OXIDIZER-BINDER SAID POLYMER HAVING THE RECURRING UNIT FORMULA (C4H6(NF2)2)X WHEREIN X REPRESENTS THE NUMBER OF RECURRING UNITS, SAID POLYMER BEING FURTHER CHARACTERIZED BY CONTAINING FROM ABOUT 62 WT. PERCENT TO 66 WT. PERCENT NF2.
Claim 4
Dependent Claim
42 words
A HIGH-ENERGY POLYMER USEFUL AS A ROCKET PROPLELLANT OXIDIZER-BINDER SAID POLYMER HAVING THE RECURRING UNIT FORMULA (C4H6(NF2)2)X WHEREIN X REPRESENTS THE NUMBER OF RECURRING UNITS, SAID POLYMER BEING FURTHER CHARACTERIZED BY CONTAINING FROM ABOUT 62 WT. PERCENT TO 66 WT. PERCENT NF2.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |