US3355466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Complexes of heavy metal halides and nu, nu, nu', nu'-tetrakis (hydroxyalkyl) alkylene diamines
Assignee: ATK Launch Systems LLC
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Filing: 1963-07-02
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Granted: 1967-11-28
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Expires: 1983-07-02
Abstract
No abstract record available.
Inventors
- 👤 Harold L Elkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:13
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/83; C08G18/87
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A COMPLEX COMPOUND ADAPTED TO BE USED IN THE VULCANIZATION OF POLYMERS, SAID COMPOUND BEING A SOLID COORDINATION COMPLEX OF AN N,N,N'',N''-TETRAKIS (HYDROXYALKYL) ALKYLENE DIAMINE AND HEAVY METAL HALIDE, THE MOLE RATIO OF HEAVY METAL HALIDE TO DIAMINE BEING GREATER THAN 1:1.
Claim 2
Dependent Claim
42 words
A COMPLEX COMPOUND ADAPTED TO BE USED IN THE VULCANIZATION OF POLYMERS, SAID COMPOUND BEING A SOLID COORDINATION COMPLEX OF AN N,N,N'',N''-TETRAKIS (HYDROXYALKYL) ALKYLENE DIAMINE AND HEAVY METAL HALIDE, THE MOLE RATIO OF HEAVY METAL HALIDE TO DIAMINE BEING GREATER THAN 1:1.
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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |