Patent US3308606A successfully refreshed from Google Patents.
US3308606A
Expired / Lapsed
US
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Method of drying moisture bearing chlorine gas
Assignee: Individual
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Filing: 1965-07-15
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Granted: 1967-03-14
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Expires: 1985-07-15
Abstract
No abstract record available.
Inventors
- 👤 Per O Hagbarth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:33
CPC Classifications
C; C01; C01B; C01B11/00; C01B11/02; C01B11/022; C01B11/023; B; B01; B01D; B01D3/00; B01D3/14; B01D3/16; B01D3/18; B01D3/20; B01D3/22; C01B7/00; C01B7/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A METHOD OF DRYING A GAS ESSENTIALLY CONSISTING OF CHLORINE AND MOISTURE WHICH COMPRISES CONTACTING SAID GAS WITH SULFURIC ACID HAVING A TEMPERATURE AND CONCENTRATION REPRESENTED IN THE CHART OF TEMPERATURES VERSUS CONCENTRATION OF AQUEOUS SULFURIC ACID SHOWN IN FIG. 1 BY A POINT IN AN AREA BOUNDED BY AN ISOTHERMAL LINE AT 9.8*C. AND THE PORTIONS OF THE LINE B1B2B3A3A4A5 AT TEMPERATURES LOWER THAN SAID 9.8*C.
Claim 2
Independent Claim
67 words
A METHOD OF DRYING A GAS ESSENTIALLY CONSISTING OF CHLORINE AND MOISTURE WHICH COMPRISES CONTACTING SAID GAS WITH SULFURIC ACID HAVING A TEMPERATURE AND CONCENTRATION REPRESENTED IN THE CHART OF TEMPERATURES VERSUS CONCENTRATION OF AQUEOUS SULFURIC ACID SHOWN IN FIG. 1 BY A POINT IN AN AREA BOUNDED BY AN ISOTHERMAL LINE AT 9.8*C. AND THE PORTIONS OF THE LINE B1B2B3A3A4A5 AT TEMPERATURES LOWER THAN SAID 9.8*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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |