US3058808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of chlorine dioxide
Assignee: Honeywell International Inc
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Filing: 1959-09-24
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Granted: 1962-10-16
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Expires: 1979-09-24
Abstract
No abstract record available.
Inventors
- 👤 Franklin M Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:59
CPC Classifications
C; C01; C01B; C01B11/00; C01B11/02; C01B11/022; C01B11/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN THE PRODUCTION OF CHLORINE DIOXIDE BY REACTION OF AN ORGANIC REDUCING AGENT WITH ACIDIFIED AQUEOUS CHLORATE SOLUTION WHEREBY AN AQUEOUS REACTION MIXTURE CONTAINING CHLORINE DIOXIDE IS FORMED, THE IMPROVEMENT WHICH COMPRISES REMOVING CHLORINE DIOXIDE FROM SAID REACTION MIXTURE BY PASSING CHLORINE FROM AN EXTERNAL SOURCE INTO SAID MIXTURE IN SUFFICIENT AMOUNT TO FORM A CHLORINE-CHLORINE DIOXIDE GASEOUS MIXTURE CONTAINING AT LEAST 3 VOLUMES OF CHLORINE PER VOLUME OF CHLORINE DIOXIDE, WHILE MAINTAINING SAID REACTION MIXTURE AT A TEMPERATURE OF ABOUT 50* TO 60* C, AND WITHDRAWING SAID GASEOUS MIXTURE FROM AQUEOUS REACTION MIXTURE.
Claim 2
Dependent Claim
94 words
IN THE PRODUCTION OF CHLORINE DIOXIDE BY REACTION OF AN ORGANIC REDUCING AGENT WITH ACIDIFIED AQUEOUS CHLORATE SOLUTION WHEREBY AN AQUEOUS REACTION MIXTURE CONTAINING CHLORINE DIOXIDE IS FORMED, THE IMPROVEMENT WHICH COMPRISES REMOVING CHLORINE DIOXIDE FROM SAID REACTION MIXTURE BY PASSING CHLORINE FROM AN EXTERNAL SOURCE INTO SAID MIXTURE IN SUFFICIENT AMOUNT TO FORM A CHLORINE-CHLORINE DIOXIDE GASEOUS MIXTURE CONTAINING AT LEAST 3 VOLUMES OF CHLORINE PER VOLUME OF CHLORINE DIOXIDE, WHILE MAINTAINING SAID REACTION MIXTURE AT A TEMPERATURE OF ABOUT 50* TO 60* C, AND WITHDRAWING SAID GASEOUS MIXTURE FROM AQUEOUS REACTION MIXTURE.
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) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |