US3065156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic ph regulator
Assignee: Organon NV
•
Filing: 1961-08-29
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Granted: 1962-11-20
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Expires: 1981-08-29
Abstract
No abstract record available.
Inventors
- 👤 Thompson Kenneth Wade
- 👤 Price Richard Thompson
- 👤 Seymour Z Lewin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:33
CPC Classifications
C; C12; C12M; C12M41/00; C12M41/26; C12P; C12P1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
METHOD FOR THE ELECTROLYTIC REGULATION OF THE PH OF AN AQUEOUS BATH CONTAINING AN EXCESS OF HYDROGEN OR HYDROXYL IONS BY REMOVAL OF SAID IONS WHICH COMPRISES THE STEPS OF IMMERSING IN SAID BATH A PAIR OF METAL ELECTRODES SEPARATED FROM THE BATH BY A MEMBRANCE PERMEABLE TO SAID IONS AND SURROUNDING BOTH ELECTRODES, AND PASSING A DIRECT CURRENT BETWEEN SAID IMMERSED ELECTRODES TO CAUSE SAID EXCESS IONS TO MIGRATE FROM THE BATH TO THE ELECTRODES IN ACCORDANCE WITH THE POLARITY OF THE CURRENT.
Claim 2
Dependent Claim
84 words
METHOD FOR THE ELECTROLYTIC REGULATION OF THE PH OF AN AQUEOUS BATH CONTAINING AN EXCESS OF HYDROGEN OR HYDROXYL IONS BY REMOVAL OF SAID IONS WHICH COMPRISES THE STEPS OF IMMERSING IN SAID BATH A PAIR OF METAL ELECTRODES SEPARATED FROM THE BATH BY A MEMBRANCE PERMEABLE TO SAID IONS AND SURROUNDING BOTH ELECTRODES, AND PASSING A DIRECT CURRENT BETWEEN SAID IMMERSED ELECTRODES TO CAUSE SAID EXCESS IONS TO MIGRATE FROM THE BATH TO THE ELECTRODES IN ACCORDANCE WITH THE POLARITY OF THE CURRENT.
References Cited (Backward Citations)
GB191418795A
Cited
US1371698A
Cited
US1740165A
Cited
US2159074A
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US2322545A
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US2651612A
Cited
US2943028A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |