US2712546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of alkyl aluminium halides
Assignee: Individual
•
Filing: 1952-09-09
•
Granted: 1955-07-05
•
Expires: 1972-09-09
Abstract
No abstract record available.
Inventors
- 👤 Coates Harold
- 👤 Hunter William Hubert
- 👤 Topley Bryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:54
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/061; C07F5/064
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
PROCESS FOR THE PRODUCTION OF ALKYL ALUMINUM DIHALIDES, WHICH PROCESS COMPRISES REACTING A DIALKYL ALUMINUM MONOHALIDE WITH SUFFICIENT ELEMENTARY HALOGEN TO CONVERT AT LEAST A SUBSTANTIAL PROPORTION OF SAID MONOHALIDE TO ALKYL ALUMINUM DIHALIDE.
Claim 2
Dependent Claim
34 words
PROCESS FOR THE PRODUCTION OF ALKYL ALUMINUM DIHALIDES, WHICH PROCESS COMPRISES REACTING A DIALKYL ALUMINUM MONOHALIDE WITH SUFFICIENT ELEMENTARY HALOGEN TO CONVERT AT LEAST A SUBSTANTIAL PROPORTION OF SAID MONOHALIDE TO ALKYL ALUMINUM DIHALIDE.
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) | 1958-07-04 | 1959-01-03 | 1959-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-04 | 1963-01-03 | 1963-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-04 | 1967-01-03 | 1967-07-05 | $7700.00 | Window Closed / Lapsed |