US2510034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of chlorine dioxide
Assignee: Mathieson Chemical Corp
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Filing: 1948-01-13
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Granted: 1950-05-30
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Expires: 1968-01-13
Abstract
No abstract record available.
Inventors
- 👤 John F Haller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:38
CPC Classifications
C; C01; C01B; C01B11/00; C01B11/02; C01B11/022; C01B11/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN THE PROCESS FOR THE GENERATION OF CHLORINE DIOXIDE CHARACTERIZED BY THE REACTING OF AN ACIDFIED AQUEOUS SOLUTION OF A WATER-SOLUBLE METAL CHLORATE WITH A REDUCING GAS IN THE PRESENCE OF AN INERT DILUENT GAS EMPLOYED IN AN AMOUNT SUFFICIENT TO INSURE DILUTION OF THE CHLORINE DIOXIDE TO A SAFE CONCENTRATION, THE IMPROVEMENT WHICH COMPRISES MAINTAINING THE ACIDFIED AQUEOUS SOLUTION AT A PH BELOW 2 AND AT A CHLORATE CONCENTRATION, CALCULATED AS SODIUM CHLORATE, BELOW 10% ON AN ACID-FREE BASIS WHILE KEEPING THE REACTION TEMPERATURE WITHIN THE RANGE 60-75*C.
Claim 2
Dependent Claim
89 words
IN THE PROCESS FOR THE GENERATION OF CHLORINE DIOXIDE CHARACTERIZED BY THE REACTING OF AN ACIDFIED AQUEOUS SOLUTION OF A WATER-SOLUBLE METAL CHLORATE WITH A REDUCING GAS IN THE PRESENCE OF AN INERT DILUENT GAS EMPLOYED IN AN AMOUNT SUFFICIENT TO INSURE DILUTION OF THE CHLORINE DIOXIDE TO A SAFE CONCENTRATION, THE IMPROVEMENT WHICH COMPRISES MAINTAINING THE ACIDFIED AQUEOUS SOLUTION AT A PH BELOW 2 AND AT A CHLORATE CONCENTRATION, CALCULATED AS SODIUM CHLORATE, BELOW 10% ON AN ACID-FREE BASIS WHILE KEEPING THE REACTION TEMPERATURE WITHIN THE RANGE 60-75*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) | 1953-05-29 | 1953-11-28 | 1954-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-29 | 1957-11-28 | 1958-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-29 | 1961-11-28 | 1962-05-30 | $7700.00 | Window Closed / Lapsed |