US3679359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous manufacture of cuprous chloride
Assignee: Aurubis AG
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Filing: 1970-03-02
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Granted: 1972-07-25
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Expires: 1990-03-02
Abstract
Abstract CONTINUOUS PRODUCTION OF CUPROUS CHLORIDE BY REACTING METALLIC, PREHEATED COPPER WITH CHLORINE GAS IN A MELT OF CUPROUS CHLORIDE AND/OR CUPRIC CHLORIDE AT A TEMPERATURE BETWEEN 500 AND 700*C. AND PASSING THE HOT CUPROUS CHLORIDE PRODUCT THROUGH A PERMEABLE LAYER OF METALLIC COPPER.
Inventors
- 👤 Erich Haberland
- 👤 Werner Perkow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:06
CPC Classifications
C; C01; C01G; C01G3/00; C01G3/04; C01G3/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-25 | 1976-01-24 | 1976-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-25 | 1980-01-24 | 1980-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-25 | 1984-01-24 | 1984-07-25 | $7700.00 | Window Closed / Lapsed |