US3030178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for continuous production of cuprous chloride
Assignee: Bayer Pharma AG
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Filing: 1959-11-27
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Granted: 1962-04-17
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Expires: 1979-11-27
Abstract
No abstract record available.
Inventors
- 👤 Niemann Horst
- 👤 Herrmann Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:06
CPC Classifications
C; C01; C01G; C01G3/00; C01G3/04; C01G3/05
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
A CONTINUOUS PROCESS OF PREPARING A CUPROUS CHLORIDE SOLUTION SUBSTANTIALLY FREE OF CUPRIC CHLORIDE WHICH COMPRISES DISTRIBUTING METALLIC COPPER THROUGHOUT A REACTION ZONE HAVING A LOWER PORTION AND A SUPERIMPOSED UPPER PORTION, SAID UPPER PORTION HAVING A BOTTOM PART ADJACENT SAID LOWER PORTION; CONTINUOUSLY FEEDING A STREAM OF GASEOUS CHLORINE TO SAID BOTTOM PART; CONTINUOUSLY FEEDING FREE HYDROCHLORIC ACID AND A CHLORIDE SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL CHLORIDES AND ALKALINE EARTH METAL CHLORIDES TO SAID UPPER PORTION IN AQUEOUS SOLUTION, HEATING THE REACTION ZONE TO A TEMPERATURE NEAR THE BOILING POINT OF THE LIQUID CONTAINED IN THE REACTION ZONE, AND CONTINUOUSLY WITHDRAWING THE RESULTANT CUPROUS CHLORIDE SOLUTION FROM THE LOWER PORTION OF THE REACTION ZONE.
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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) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |