US2915541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of alkyl aluminum hydrides and their complex compounds with alkali hydrides
Assignee: Individual
•
Filing: 1953-04-08
•
Granted: 1959-12-01
•
Expires: 1973-04-08
Abstract
No abstract record available.
Inventors
- 👤 Ziegler Karl
- 👤 Nagel Konrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:03
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/061; C07F5/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
PROCESS FOR THE PRODUCTION OF ORGANIC ALUMINIUM COMPOUNDS OF THE GENERAL FORMULA AIHXY, IN WHICH X IS AN ALKYL RADICAL AND Y IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKYL RADICALS AND HYDROGEN, AND THEIR COMPLEX COMPOUNDS WITH ALKALI METAL HYDRIDES, WHICH COMPRISES REACTING AN ALKYL ALUMINIUM HALIDE WITH AT LEAST ONE MOL OF ABOUT A MOLAR EXCESS OF ALKALI METAL HYDRIDE PER HALOGEN ATOM OF SAID HALIDE.
Claim 2
Dependent Claim
70 words
PROCESS FOR THE PRODUCTION OF ORGANIC ALUMINIUM COMPOUNDS OF THE GENERAL FORMULA AIHXY, IN WHICH X IS AN ALKYL RADICAL AND Y IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKYL RADICALS AND HYDROGEN, AND THEIR COMPLEX COMPOUNDS WITH ALKALI METAL HYDRIDES, WHICH COMPRISES REACTING AN ALKYL ALUMINIUM HALIDE WITH AT LEAST ONE MOL OF ABOUT A MOLAR EXCESS OF ALKALI METAL HYDRIDE PER HALOGEN ATOM OF SAID HALIDE.
References Cited (Backward Citations)
US2765329A
Cited
US2567972A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |