US2553557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of obtaining dry chlorine gas from a gaseous mixture comprising elemental chlrine as the principal component thereof
Assignee: Diamond Shamrock Corp
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Filing: 1949-08-06
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Granted: 1951-05-22
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Expires: 1969-08-06
Abstract
No abstract record available.
Inventors
- 👤 Clayton L Dunning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:14
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/01; Y; Y10; Y10S; Y10S62/00; Y10S62/921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
THE METHOD OF DRYING CHLORINE CONTAINED IN A GASEOUS MIXTURE COMPRISING CHLORINE AS THE PRINCIPAL COMPONENT, WHICH INCLUDES THE STEPS OF INTRODUCING A SMALL PROPORTION, RELATIVE TO THE AMOUNT OF WATER THEREIN, OF HYDROGEN CHLORIDE INTO SAID MIXTURE, COOLING THE THUS AUGMENTED GAS MIXTURE TO A TEMPERATURE BETWEEN ABOUT +9* AND ABOUT -34* C. AND BELOW THE DEW POINT OF THE WATER VAPOR-HYDROGEN CHLORIDE-MIXTURE, AND SEPARATING THE GAS PHASE FROM THE CONDENSATE FORMED DURING THE AFORESAID COOLING STEP.
Claim 2
Independent Claim
78 words
THE METHOD OF DRYING CHLORINE CONTAINED IN A GASEOUS MIXTURE COMPRISING CHLORINE AS THE PRINCIPAL COMPONENT, WHICH INCLUDES THE STEPS OF INTRODUCING A SMALL PROPORTION, RELATIVE TO THE AMOUNT OF WATER THEREIN, OF HYDROGEN CHLORIDE INTO SAID MIXTURE, COOLING THE THUS AUGMENTED GAS MIXTURE TO A TEMPERATURE BETWEEN ABOUT +9* AND ABOUT -34* C. AND BELOW THE DEW POINT OF THE WATER VAPOR-HYDROGEN CHLORIDE-MIXTURE, AND SEPARATING THE GAS PHASE FROM THE CONDENSATE FORMED DURING THE AFORESAID COOLING STEP.
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) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |