Patent US5290406A successfully refreshed from Google Patents.
US5290406A
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Method for producing ozone
Assignee: De Nora Permelec Ltd
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Filing: 1992-06-16
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Granted: 1994-03-01
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Expires: 2012-06-16
Abstract
Abstract A method for producing ozone which comprises electrolyzing water using a fluororesin-type ion-exchange membrane as a solid electrolyte thereby to generate an ozone-containing gas, and cooling the gas thereby to remove a fluorine-containing substance present in the gas generated.
Inventors
- 👤 Isao Sawamoto
- 👤 Takayuki Shimamune
- 👤 Yoshinori Nishiki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:36
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/46; C02F1/461; C02F1/467; C02F1/4672; C25; C25B; C25B1/00; C25B1/01; C25B1/13; C02F1/72; C02F1/78; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/36
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
62 words
A method for producing ozone which comprises electrolyzing water using a fluororesin ion-exchange membrane as a solid electrolyte thereby to generate an ozone-containing gas, and cooling the gas thereby to remove a fluorine-containing substance present in the gas generated to a concentration of at most 0.8 μg/l of gas, wherein said cooling is conducted at a temperature of 25° C. or less.
Claim 2
Independent Claim
62 words
A method for producing ozone which comprises electrolyzing water using a fluororesin ion-exchange membrane as a solid electrolyte thereby to generate an ozone-containing gas, and cooling the gas thereby to remove a fluorine-containing substance present in the gas generated to a concentration of at most 0.8 μg/l of gas, wherein said cooling is conducted at a temperature of 25° C. or less.
Claim 3
Dependent Claim
14 words
A method as claimed in claim 1, where said cooling is with a cooler.
References Cited (Backward Citations)
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| 7.5 Years (Year 8) | 2001-02-28 | 2001-08-30 | 2002-03-01 | $3760.00 | Window Closed / Lapsed |
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