US3214412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1, 2-bis(dialkylamino)-1, 2-diisocyanato-ethylenes and n, n'-bis(alpha-fluorodialkyl-aminomethyl) uretidine diones
Assignee: EIDP Inc
•
Filing: 1962-08-23
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Granted: 1965-10-26
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Expires: 1982-08-23
Abstract
No abstract record available.
Inventors
- 👤 Brown Morton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:40
CPC Classifications
C; C07; C07C; C07C265/00; C07D; C07D229/00; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/81; C08G18/8125; D; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/07
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
47 words
THE POLYMER OF AN N,N-BIS(A-FLUORODIALKYLAMINOMETHYL) URETIDINE DIONE WHEREIN THE ALKYL GROUPS ARE SELECTED FROM THE GROUP CONSISTING OF ALKYL OF UP TO 18 CARBONS AND CYCLOALKYL OF UP TO 7 CARBONS AND A MEMBER OF THE GROUP CONSISTING OF ETHYLENE GLYCOL, NEOPENTYL GLYCOL, 1,2-DIAMINOETHANE, 1,4-DIAMINOBUTANE AND 1,6-DIAMINOBEXANE.
Claim 2
Dependent Claim
47 words
THE POLYMER OF AN N,N-BIS(A-FLUORODIALKYLAMINOMETHYL) URETIDINE DIONE WHEREIN THE ALKYL GROUPS ARE SELECTED FROM THE GROUP CONSISTING OF ALKYL OF UP TO 18 CARBONS AND CYCLOALKYL OF UP TO 7 CARBONS AND A MEMBER OF THE GROUP CONSISTING OF ETHYLENE GLYCOL, NEOPENTYL GLYCOL, 1,2-DIAMINOETHANE, 1,4-DIAMINOBUTANE AND 1,6-DIAMINOBEXANE.
Claim 3
Dependent Claim
5 words
A 1,2-BIS(DIALKYLAMINO)-1,2-DIISOCYANATOETHYLENE OF THE FORMULA
Claim 4
Dependent Claim
5 words
A 1,2-BIS(DIALKYLAMINO)-1,2-DIISOCYANATOETHYLENE OF THE FORMULA
Claim 5
Dependent Claim
6 words
A URETIDINE DIONE OF THE FORMULA
Claim 6
Dependent Claim
6 words
A URETIDINE DIONE OF THE FORMULA
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |