US3756962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tion graphite coppier (ii) chloride intercalation carrier catalyst combina
Assignee: Kali Chemie AG
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Filing: 1971-09-15
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Granted: 1973-09-04
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Expires: 1991-09-15
Abstract
Abstract A CATALYST-CARRIER COMBINATION COMPRISES THE CALCINED PRODUCT OF A GRAPHITE-COPPER(II)-CHLORIDE INTERCALATION COMPOUND AND A CARRIER THEREOF. THE CARRIER COMPRISES ALUMINUMOXYHYDRATE OF A SPECIFIC SURFACE OF 50-300 M.2/G. THE CARRIER MAY ALSO INCLUDE ASBESTOS POWDER. THE GRAPHITE-COPPER(II)-CHLORIDE INTERCALATION COMPOUND IS PRESENT IN AN AMOUNT FROM 25-66% BY WEIGHT AND THE CARRIER IS PRESENT IN AN AMOUNT OF 75-34% BY WEIGHT. IF THE CARRIER INCLUDES ASBESTOS POWDER, THE AMOUNT OF ASBESTOS IS UP TO 15% BY WEIGHT RELATIVE TO THE NONCALCINATED TOTAL MIXTURE.
Inventors
- 👤 H Brinkel
- 👤 H Derleth
- 👤 H Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:05
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |