US3241912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of aqueous chlorination
Assignee: Olin Corp
•
Filing: 1962-04-20
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Granted: 1966-03-22
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Expires: 1982-04-20
Abstract
No abstract record available.
Inventors
- 👤 Bernard H Nicolaisen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:45
CPC Classifications
C; C01; C01B; C01B11/00; C01B11/04; C01B11/06; C01B11/062; C01B11/064; C01B11/12; C01B11/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
98 words
PROCESS OF PRODUCING A CHLORATE BY CHLORINATING A BODY OF AQUEOUS MIXTURE CONTAINING AT LEAST ONE HYDROXIDE SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL HYDROXIDES WHICH COMPRISES MAINTAINING AN ASCENDING AND A SEPARATE DESCENDING COLUMN OF SAID MIXTURE, SAID COLUMNS CONNECTED AT TOP AND BOTTOM TO PROVIDE CIRCULATION OF SAID BODY, EACH OF SAID COLUMNS HAVING A DEPTH OF AT LEAST 25 FEET, INTRODUCING CHLORINE INTO SAID DESCENDING COLUMN AT A DEPTH OF AT LEAST 25 FEET, MAINTAINING THE TEMPERATURE OF SAID BODY AT ABOUT 150* TO ABOUT 200*F. AND MAINTAINING THE AB-
References Cited (Backward Citations)
US2776284A
Cited
US2952679A
Cited
US1426752A
Cited
US1481106A
Cited
US1609755A
Cited
US1609758A
Cited
US1774366A
Cited
US1787048A
Cited
US2332527A
Cited
US2272818A
Cited
GB714234A
Cited
DE941970C
Cited
DE963418C
Cited
US2956056A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |