US5047127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ozone generating method
Assignee: Mitsubishi Electric Corp
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Filing: 1990-07-31
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Granted: 1991-09-10
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Expires: 2010-07-31
Abstract
Abstract An ozone generating method for increasing the quantity of ozone produced by a silent discharge in high purity oxygen includes mixing nitrogen with the high purity oxygen in a predetermined ratio. The nitrogen gas is a catalyst for stable and highly efficient ozone generation from a high purity oxygen source.
Inventors
- 👤 Isao Tottori
- 👤 Masazumi Matsuura
- 👤 Atsuhiro Fujii
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:26
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/10; C01B13/11; C01B2201/00; C01B2201/60; C01B2201/70; C01B2201/74; C01B2201/76; C01B2201/80
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
96 words
A method of increasing the quantity of ozone generated by a silent discharge in high purity oxygen comprising: mixing nitrogen with oxygen having a purity exceeding 99.95% in a ratio of nitrogen to oxygen in a range from 0.0002 to 0.02; introducing the mixture of nitrogen and oxygen into an ozone generating apparatus; and producing a silent discharge in the mixture to generate ozone whereby the quantity of ozone generated is increased over the quantity generated when the ratio of nitrogen to high purity oxygen in the mixture is less than 0.0002 or greater than 0.02.
Claim 2
Independent Claim
96 words
A method of increasing the quantity of ozone generated by a silent discharge in high purity oxygen comprising: mixing nitrogen with oxygen having a purity exceeding 99.95% in a ratio of nitrogen to oxygen in a range from 0.0002 to 0.02; introducing the mixture of nitrogen and oxygen into an ozone generating apparatus; and producing a silent discharge in the mixture to generate ozone whereby the quantity of ozone generated is increased over the quantity generated when the ratio of nitrogen to high purity oxygen in the mixture is less than 0.0002 or greater than 0.02.
Claim 3
Dependent Claim
27 words
The method of claim 1 including mixing the nitrogen and oxygen in a ratio of 0.001 to 0.02 before introducing the mixture into the ozone generating apparatus.
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) | 1994-09-09 | 1995-03-11 | 1995-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-09-09 | 1999-03-11 | 1999-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-09-09 | 2003-03-11 | 2003-09-10 | $7700.00 | Window Closed / Lapsed |