Patent US3328447A successfully refreshed from Google Patents.
US3328447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4-hexenyl aluminum compounds
Assignee: EIDP Inc
•
Filing: 1963-05-13
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Granted: 1967-06-27
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Expires: 1983-05-13
Abstract
No abstract record available.
Inventors
- 👤 Kottenhahn Alfred Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:55
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/061; C07F5/064; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
4 words
DI (4-HEXENYL) ALUMINUM MONOCHLORIDE.
Claim 2
Dependent Claim
4 words
DI (4-HEXENYL) ALUMINUM MONOCHLORIDE.
Claim 3
Dependent Claim
3 words
DI-(4-HEXENYL) ALUMINUM MONOBROMIDE.
Claim 4
Dependent Claim
3 words
DI-(4-HEXENYL) ALUMINUM MONOBROMIDE.
References Cited (Backward Citations)
US2271956A
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US2786860A
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US3113115A
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US2945846A
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US2962451A
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US3014941A
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US3062856A
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US3084180A
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US3035077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |