US3285947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the conversion of complex aluminum-organic and boron-organic compounds of sodium into those of potassium
Assignee: ZIEGLER AG
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Filing: 1963-10-29
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Granted: 1966-11-15
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Expires: 1983-10-29
Abstract
No abstract record available.
Inventors
- 👤 Ziegler Karl
- 👤 Lehmkuhl Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:28
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/02; C07F5/027; C25; C25B; C25B15/00; C25B15/08; C25B3/00; C25B3/01; C25B3/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A PROCESS FOR THE PRODUCTION OF POTASSIUM-ORGANOCOMPLEX COMPOUNDS OF AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND BORON FROM THE CORRESPONDING ORGANO-COMPLEX COMPOUND OF SODIUM WHICH COMPRISES REACTING IN AN INERT ATMOSPHERE A SODIUMORGANO-COMPLEX COMPOUND SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
43 words
A PROCESS FOR THE PRODUCTION OF POTASSIUM-ORGANOCOMPLEX COMPOUNDS OF AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND BORON FROM THE CORRESPONDING ORGANO-COMPLEX COMPOUND OF SODIUM WHICH COMPRISES REACTING IN AN INERT ATMOSPHERE A SODIUMORGANO-COMPLEX COMPOUND SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
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Cited
US2985568A
Cited
US2977381A
Cited
US2923731A
Cited
US2992262A
Cited
US2960450A
Cited
US3028323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |