US3113129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric ethyleneimido polyfluoroalkoxy phosphorus nitriles
Assignee: Olin Corp
•
Filing: 1961-03-29
•
Granted: 1963-12-03
•
Expires: 1981-03-29
Abstract
No abstract record available.
Inventors
- 👤 Rudi F W Ratz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:09
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6581; C07F9/65812; C07F9/65815
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
POLYMERIC COMPOUNDS OF THE FORMULA:
Claim 2
Dependent Claim
5 words
POLYMERIC COMPOUNDS OF THE FORMULA:
Claim 3
Dependent Claim
4 words
TRIMERIC 3,5-BIS-ETHYLENEIMIDO-1,1-BIS-ALPHA,ALPHAH,H-HEPTAFLUOROBUTOXY -PHOSPHONITRILIC DICHLORIDE.
Claim 4
Dependent Claim
4 words
TRIMERIC 3,5-BIS-ETHYLENEIMIDO-1,1-BIS-ALPHA,ALPHAH,H-HEPTAFLUOROBUTOXY -PHOSPHONITRILIC DICHLORIDE.
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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |