US3296287A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for preparing complexes of heavy metal halides and nu, nu, nu', nu'-tetrakis (hydroxyalkyl) alkylene diamine
Assignee: ATK Launch Systems LLC
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Filing: 1963-07-02
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Granted: 1967-01-03
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Expires: 1983-07-02
Abstract
No abstract record available.
Inventors
- 👤 William J Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:43
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/83; C08G18/87
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A PROCESS FOR PREPARING COMPOUNDS USEFUL IN VULCANIZING POLYMERS COMPRISING REACTING A HEAVY METAL HALIDE AND AN N,N,N ,N''-TETRAKIS(HYDROXYALKYLEALKYLENE DIAMINE IN ACETONE TO FORM A SOLID REACTION PRODUCT, AND RECOVERING SAID SOLID REACTION PRODUCT.
Claim 2
Dependent Claim
34 words
A PROCESS FOR PREPARING COMPOUNDS USEFUL IN VULCANIZING POLYMERS COMPRISING REACTING A HEAVY METAL HALIDE AND AN N,N,N ,N''-TETRAKIS(HYDROXYALKYLEALKYLENE DIAMINE IN ACETONE TO FORM A SOLID REACTION PRODUCT, AND RECOVERING SAID SOLID REACTION PRODUCT.
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |