Patent USRE28231E successfully refreshed from Google Patents.
Patent US2910140A successfully refreshed from Google Patents.
US2910140A
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Process for purifying chlorine
Assignee: Bayer AG
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Filing: 1957-06-18
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Granted: 1959-10-27
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Expires: 1977-06-18
Abstract
No abstract record available.
Inventors
- 👤 Bencker Franz
- 👤 Overdick Fritz
- 👤 Schlee Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:21
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/01; C01B7/07; C01B7/0743
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
IN THE PROCESS OF PURIFYING CHLORINE GAS PRODUCED BY THE ELECTROLYSIS OF AN AQUEOUS SOLUTION OF AN ALKALI METAL CHLORIDE THE IMPROVEMENT WHICH COMPRISES WASHING, COOLING DRYING AND, REMOVING SOLID PARTICLE MATERIAL FROM THE CHLORINE GAS AND THEREAFTER REMOVING FROM THE GAS ORGANIC CHLORINE COMPOUNDS FORMED DURING THE ELECTROLYSIS OF THE ALKALI METAL CHLORINE BY PASSING THE CHLORINE GAS THROUGH ACTIVE CARBON WHICH HAS BEEN SATURATED WITH CHLORINE AT A TEMPERATURE BETWEEN ABOUT -33* AND ABOUT 65* C.
Claim 2
Dependent Claim
78 words
IN THE PROCESS OF PURIFYING CHLORINE GAS PRODUCED BY THE ELECTROLYSIS OF AN AQUEOUS SOLUTION OF AN ALKALI METAL CHLORIDE THE IMPROVEMENT WHICH COMPRISES WASHING, COOLING DRYING AND, REMOVING SOLID PARTICLE MATERIAL FROM THE CHLORINE GAS AND THEREAFTER REMOVING FROM THE GAS ORGANIC CHLORINE COMPOUNDS FORMED DURING THE ELECTROLYSIS OF THE ALKALI METAL CHLORINE BY PASSING THE CHLORINE GAS THROUGH ACTIVE CARBON WHICH HAS BEEN SATURATED WITH CHLORINE AT A TEMPERATURE BETWEEN ABOUT -33* AND ABOUT 65* C.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |