Patent US3923632A successfully refreshed from Google Patents.
US3923632A
Expired / Lapsed
US
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Method of and apparatus for disinfecting liquids by anodic oxidation with a silver anode
Assignee: Sachs Systemtechnik GmbH
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Filing: 1974-05-28
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Granted: 1975-12-02
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Expires: 1994-05-28
Abstract
Abstract This invention is directed to the disinfection of liquids, especially water-containing liquids. It has been found that by the simultaneous use of anodic oxidation and silver ions a synergistic disinfection effect is achieved.
Inventors
- 👤 Volker Eibl
- 👤 August Reis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:43
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/46; C02F1/4606; A; A61; A61L; A61L2/00; A61L2/02; A61L2/03; A61L2/035; C02F1/461; C02F1/467; C02F1/4672; C02F2303/00; C02F2303/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
118 words
APPARATUS FOR PURIFYING WATER CONTAMINATED WITH MICROORGANIMS WHICH COMPRISES: A. A CONTAINER ENCLOSING A SPACE ADAPTED TO HOLD SAID WATER, B. A DIAPHRAGM DIVIDING SAID SPACE INTO AN ANODE COMPARTMENT AND A CATHODE COMPARTMENT, SAID DIAPHRAGM BEING PERMEABLE TO ANIONS ONLY; C. AN ANODE OF CONDUCTIVE MATERIAL IN SAID ANODE COMPARTMENT, SAID CONDUCTIVE MATERIAL CONSISTING AT LEAST PARTLY OF METALLIC SILVER; D. A CATHODE IN SAID CATHODE COMPARTMENT; E. LEADS CONNECTED TO SAID ANODE AND TO SAID CATHODE RESPECTIVELY FOR PASSING ELECTRIC CURRENT THROUGH SAID LIQUID IN SAID SPACE BETWEEN SAID CATHODE AND SAID ANODE; F. INLET MEANS FOR ADMITTING SAID CONTAMINATED WATER TO SAID ANODE COMPARTMENT; AND G. OUTLET MEANS FOR WITHDRAWING PURIFIED WATER FROM SAID SPACE.
Claim 2
Dependent Claim
118 words
APPARATUS FOR PURIFYING WATER CONTAMINATED WITH MICROORGANIMS WHICH COMPRISES: A. A CONTAINER ENCLOSING A SPACE ADAPTED TO HOLD SAID WATER, B. A DIAPHRAGM DIVIDING SAID SPACE INTO AN ANODE COMPARTMENT AND A CATHODE COMPARTMENT, SAID DIAPHRAGM BEING PERMEABLE TO ANIONS ONLY; C. AN ANODE OF CONDUCTIVE MATERIAL IN SAID ANODE COMPARTMENT, SAID CONDUCTIVE MATERIAL CONSISTING AT LEAST PARTLY OF METALLIC SILVER; D. A CATHODE IN SAID CATHODE COMPARTMENT; E. LEADS CONNECTED TO SAID ANODE AND TO SAID CATHODE RESPECTIVELY FOR PASSING ELECTRIC CURRENT THROUGH SAID LIQUID IN SAID SPACE BETWEEN SAID CATHODE AND SAID ANODE; F. INLET MEANS FOR ADMITTING SAID CONTAMINATED WATER TO SAID ANODE COMPARTMENT; AND G. OUTLET MEANS FOR WITHDRAWING PURIFIED WATER FROM SAID SPACE.
Claim 3
Dependent Claim
15 words
Apparatus as set forth in claim 1, wherein said anode compartment essentially consists of silver.
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) | 1978-12-01 | 1979-06-02 | 1979-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-01 | 1983-06-02 | 1983-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-01 | 1987-06-02 | 1987-12-02 | $7700.00 | Window Closed / Lapsed |