Patent US967211A successfully refreshed from Google Patents.
Patent US3052518A successfully refreshed from Google Patents.
US3052518A
Expired / Lapsed
US
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Process and apparatus for the manufacture of aluminum chloride
Assignee: BASF Schweiz AG
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Filing: 1960-04-04
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Granted: 1962-09-04
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Expires: 1980-04-04
Abstract
No abstract record available.
Inventors
- 👤 Frey Jost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:18
CPC Classifications
C; C01; C01F; C01F7/00; C01F7/48; C01F7/56; C01F7/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A CONTINUOUS PROCESS FOR THE MANUFACTURE OF ALUMINUM CHLORIDE WHICH COMPRISES (A) INTRODUCING CHLORINE INTO MOLTEN ALUMINUM IN A REACTION ZONE, WHEREBY THE CHLORINE REACTS WITH THE MOLTEN ALUMINUM TO FORM ALUMINUM CHLORIDE, (B) REMOVING THE FORMED ALUMINUM CHLORIDE AS A VAPOR FROM ABOVE THE REACTION ZONE, (C) PASSING MOLTEN ALUMINUM FREE OF ALUMINUM CHLORIDE FROM THE REACTION ZONE TO A COOLING ZONE SEPARATED FROM SAID REACTION ZONE AND WHEREIN IMPURITIES IN THE MOLTEN ALUMINUM PRECIPITATE, (D) FEEDING ALUMINUM INTO THE COOLING ZONE, (E) REMOVING PRECIPITATED IMPURITIES FROM SAID COOLING ZONE, WHEREBY THE MOLTEN ALUMINUM IN THE COOL
Claim 2
Dependent Claim
98 words
A CONTINUOUS PROCESS FOR THE MANUFACTURE OF ALUMINUM CHLORIDE WHICH COMPRISES (A) INTRODUCING CHLORINE INTO MOLTEN ALUMINUM IN A REACTION ZONE, WHEREBY THE CHLORINE REACTS WITH THE MOLTEN ALUMINUM TO FORM ALUMINUM CHLORIDE, (B) REMOVING THE FORMED ALUMINUM CHLORIDE AS A VAPOR FROM ABOVE THE REACTION ZONE, (C) PASSING MOLTEN ALUMINUM FREE OF ALUMINUM CHLORIDE FROM THE REACTION ZONE TO A COOLING ZONE SEPARATED FROM SAID REACTION ZONE AND WHEREIN IMPURITIES IN THE MOLTEN ALUMINUM PRECIPITATE, (D) FEEDING ALUMINUM INTO THE COOLING ZONE, (E) REMOVING PRECIPITATED IMPURITIES FROM SAID COOLING ZONE, WHEREBY THE MOLTEN ALUMINUM IN THE COOL
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |