US3077490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of aluminum hydrocarbyls
Assignee: Goodrich Gulf Chemicals Inc
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Filing: 1959-05-08
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Granted: 1963-02-12
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Expires: 1979-05-08
Abstract
No abstract record available.
Inventors
- 👤 Herbert B Fernald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:42
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/061; C07F5/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A PROCESS FOR THE PREPARATION OF ALUMINUM HYDROCARBYLS WHICH COMPRISES CONTACTING ALUMINUM WITH AN ACTIVATING AMOUNT OF AN ORGANOALKALI SELECTED FROM THE CLASS CONSISTING OF THE ALKYL, ARALKYL, ARYL, AND ALKARYL ALKALIS IN THE PRESENCE OF AN ALUMINUM HYDROCARBYL AND REACTING THE ALUMINUM WITH AN OLEFINIC HYDROCARBON AND HYDROGEN TO OBTAIN AN ALUMINUM HYDROCARBYL.
Claim 2
Dependent Claim
54 words
A PROCESS FOR THE PREPARATION OF ALUMINUM HYDROCARBYLS WHICH COMPRISES CONTACTING ALUMINUM WITH AN ACTIVATING AMOUNT OF AN ORGANOALKALI SELECTED FROM THE CLASS CONSISTING OF THE ALKYL, ARALKYL, ARYL, AND ALKARYL ALKALIS IN THE PRESENCE OF AN ALUMINUM HYDROCARBYL AND REACTING THE ALUMINUM WITH AN OLEFINIC HYDROCARBON AND HYDROGEN TO OBTAIN AN ALUMINUM HYDROCARBYL.
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) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |