US2540905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of chlorine
Assignee: PPG Industries Inc
•
Filing: 1949-07-27
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Granted: 1951-02-06
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Expires: 1969-07-27
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Neubauer
- 👤 Theodore W Heiskell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:49
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/01; C01B7/07; C01B7/0743
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A METHOD OF RECOVERING CHLORINE FROM A GASEOUS MIXTURE CONTAINING CHLORINE AND CARBON DIOXIDE WHICH COMPRISES SCRUBBING THE MIXTURE WITH A STABLE LIQUID HALOGENATED HYDROCARBON, DESORBING A MAJOR PORTION OF THE DISSOLVED CARBON DIOXIDE AND A PORTION OF THE DISSOLVED CHLORINE, AND THEREAFTER SEPARATELY DESORBING A FURTHER PORTION OF CHLORINE FROM THE SOLUTION.
Claim 2
Independent Claim
53 words
A METHOD OF RECOVERING CHLORINE FROM A GASEOUS MIXTURE CONTAINING CHLORINE AND CARBON DIOXIDE WHICH COMPRISES SCRUBBING THE MIXTURE WITH A STABLE LIQUID HALOGENATED HYDROCARBON, DESORBING A MAJOR PORTION OF THE DISSOLVED CARBON DIOXIDE AND A PORTION OF THE DISSOLVED CHLORINE, AND THEREAFTER SEPARATELY DESORBING A FURTHER PORTION OF CHLORINE FROM THE SOLUTION.
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) | 1954-02-05 | 1954-08-07 | 1955-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-05 | 1958-08-07 | 1959-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-05 | 1962-08-07 | 1963-02-06 | $7700.00 | Window Closed / Lapsed |