US2700048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing organometallic compounds
Assignee: Bayer AG
•
Filing: 1951-08-08
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Granted: 1955-01-18
•
Expires: 1971-08-08
Abstract
No abstract record available.
Inventors
- 👤 Schmidt Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:50
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/069; C07F19/00; C07F19/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
PROCESS FOR THE PREPARATION OF ORGANOMETALLIC ALCOHOLATES WHICH COMPRISES REACTING AT LEAST 3 MOLS OF AN ALKYLENE OXIDE WITH 1 MOL OF AN ANHYDROUS HALIDE SELECTED FROM THE GROUP CONSISTING OF HALIDES OF IRON AND ALUMINUM IN THE PRESENCE OF AN ORGANIC SOLVENT AT TEMPERATURES NOT EXCEEDING 50* C.
Claim 2
Dependent Claim
49 words
PROCESS FOR THE PREPARATION OF ORGANOMETALLIC ALCOHOLATES WHICH COMPRISES REACTING AT LEAST 3 MOLS OF AN ALKYLENE OXIDE WITH 1 MOL OF AN ANHYDROUS HALIDE SELECTED FROM THE GROUP CONSISTING OF HALIDES OF IRON AND ALUMINUM IN THE PRESENCE OF AN ORGANIC SOLVENT AT TEMPERATURES NOT EXCEEDING 50* C.
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) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |