Patent US3241912A successfully refreshed from Google Patents.
US3241912A
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US
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Process of aqueous chlorination
Assignee: Olin Corp
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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 18:04
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-
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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 |