US3143566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nu, nu'-di-[halogenated-(lower-alkanoyl)]-diamine compositions and their preparation
Assignee: STWB Inc
•
Filing: 1959-10-08
•
Granted: 1964-08-04
•
Expires: 1979-10-08
Abstract
No abstract record available.
Inventors
- 👤 Alexander R Surrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:13
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/36; C07D213/40; C07C; C07C215/00; C07C215/02; C07C215/04; C07C215/06; C07C215/14; C07C233/00; C07D213/38
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
5 words
A DI-(HALOGENATED-ALKANAMIDE) HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A DI-(HALOGENATED-ALKANAMIDE) HAVING THE FORMULA
Claim 3
Dependent Claim
11 words
AN N,N,N'',N'' - TETRASUBSTITUTED - 1,4 - BIS(AMINOMETHYL)BENZENE HAVING THE FORMULA
Claim 4
Dependent Claim
11 words
AN N,N,N'',N'' - TETRASUBSTITUTED - 1,4 - BIS(AMINOMETHYL)BENZENE HAVING THE FORMULA
Claim 5
Dependent Claim
5 words
A DI-(HALOGENATED-ALKANAMIDE) HAVING THE FORMULA
Claim 6
Dependent Claim
5 words
A DI-(HALOGENATED-ALKANAMIDE) HAVING THE FORMULA
Claim 7
Dependent Claim
5 words
AN N,N''-BIS(DICHLOROACETYL)ALKANEDIAMINE HAVING THE FORMULA
Claim 8
Dependent Claim
5 words
AN N,N''-BIS(DICHLOROACETYL)ALKANEDIAMINE HAVING THE FORMULA
Claim 9
Dependent Claim
11 words
AN N,N'' - BIS(POLYBROMINATED - (LOWER - ALKANOYL))-ALKYLENEDIAMINE HAVING THE FORMULA
Claim 10
Dependent Claim
11 words
AN N,N'' - BIS(POLYBROMINATED - (LOWER - ALKANOYL))-ALKYLENEDIAMINE HAVING THE FORMULA
Claim 11
Dependent Claim
9 words
AN N,N,N'',N'' - TETRASUBSTITUTED - BIS(AMINOMETHYL)-CYCLOALKANE HAVING THE FORMULA
Claim 12
Dependent Claim
9 words
AN N,N,N'',N'' - TETRASUBSTITUTED - BIS(AMINOMETHYL)-CYCLOALKANE HAVING THE FORMULA
Claim 13
Dependent Claim
5 words
A PHENYLENEDIAMINE HAVING THE FORMULA
Claim 14
Dependent Claim
5 words
A PHENYLENEDIAMINE HAVING THE FORMULA
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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) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |