Patent US4638510A successfully refreshed from Google Patents.
Patent US3068181A successfully refreshed from Google Patents.
US3068181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of very active aluminum
Assignee: Hoechst AG
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Filing: 1959-09-29
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Granted: 1962-12-11
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Expires: 1979-09-29
Abstract
No abstract record available.
Inventors
- 👤 Schaeffer Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:47
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A PROCESS FOR THE MANUFACTURE OF HIGHLY ACTIV ALUNIMUM WHICH COMPRISES GRINDING PREVIOUSLY DISINTEGRATED ALUMINUM IN THE PRESENCE OF AT LEAST ONE HYDROCARBON HAVING AT LEAST 6 CARBON ATOMS AND BEING LIQUID AT ROOM TEMPERATURE, 0.1-10% BY WEIGHT-CALCULATED ON THE QUANTITY OF THE ALUMINUM USED AS STARTING MATERIAL-OF AT LEAST ONE ALUMINUM SALT OF A FATTY ACID CONTAINING 16-20 CARBON ATOMS, AND AT LEAST ONE ALUMINUM ALKYL COMPOUND WHOSE ALKYL GROUP CONTAINS 2-16 CARBON ATOMS.
Claim 2
Dependent Claim
75 words
A PROCESS FOR THE MANUFACTURE OF HIGHLY ACTIV ALUNIMUM WHICH COMPRISES GRINDING PREVIOUSLY DISINTEGRATED ALUMINUM IN THE PRESENCE OF AT LEAST ONE HYDROCARBON HAVING AT LEAST 6 CARBON ATOMS AND BEING LIQUID AT ROOM TEMPERATURE, 0.1-10% BY WEIGHT-CALCULATED ON THE QUANTITY OF THE ALUMINUM USED AS STARTING MATERIAL-OF AT LEAST ONE ALUMINUM SALT OF A FATTY ACID CONTAINING 16-20 CARBON ATOMS, AND AT LEAST ONE ALUMINUM ALKYL COMPOUND WHOSE ALKYL GROUP CONTAINS 2-16 CARBON ATOMS.
References Cited (Backward Citations)
US2787626A
Cited
US2885314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |