US3256164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic production of ozone
Assignee: Standard Oil Co
•
Filing: 1963-10-30
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Granted: 1966-06-14
•
Expires: 1983-10-30
Abstract
No abstract record available.
Inventors
- 👤 John A Donohue
- 👤 William A Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:49
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A METHOD OF ELECTROLYTICALLY GENERATING OZONE WHICH METHOD COMPRISES PASSING AN ELECTRICAL CURRENT AT A VOLTAGE IN THE RANGE OF ABOUT 6.0 V. TO ABOUT 11.0 V. THROUGH A LIQUID ELECTROLYTE POSITIONED IN AN ELECTROLYTIC CELL SAID LIQUID ELECTROLYTE BEING MAINTAINED AT A TEMPERATURE IN THE RANGE OF ABOUT -20*C. TO ABOUT +20*C., SAID LIQUID ELECTROLYTE CONSISTING OF HYDROGEN FLUORIDE AND ABOUT 2-7 WEIGHT PERCENT OF WATER, AND WITHDRAWING FROM SAID CELL GASES CONTAINING OZONE.
Claim 2
Independent Claim
75 words
A METHOD OF ELECTROLYTICALLY GENERATING OZONE WHICH METHOD COMPRISES PASSING AN ELECTRICAL CURRENT AT A VOLTAGE IN THE RANGE OF ABOUT 6.0 V. TO ABOUT 11.0 V. THROUGH A LIQUID ELECTROLYTE POSITIONED IN AN ELECTROLYTIC CELL SAID LIQUID ELECTROLYTE BEING MAINTAINED AT A TEMPERATURE IN THE RANGE OF ABOUT -20*C. TO ABOUT +20*C., SAID LIQUID ELECTROLYTE CONSISTING OF HYDROGEN FLUORIDE AND ABOUT 2-7 WEIGHT PERCENT OF WATER, AND WITHDRAWING FROM SAID CELL GASES CONTAINING OZONE.
References Cited (Backward Citations)
US2034458A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |