Condenser electrode with semipermeable membrane surface
Abstract
Abstract THE NEW ELECTRODE PLATE INCLUDES AN ELECTRODE BASE HAVING ON ITS SURFACE A VERY THIN, LIQUID ABSORBING, SEMIPERMEABLE MEMBRANE. THE SEMIPERMEABLE MEMBRANE IS COMPOSED OF ONE OR MORE FILMS FORMED AT LEAST ONE OF THE FOLLOWING MATERIALS: A WATER SOLUBLE, HIGH MOLECULAR WEIGHT, ORGANIC COMPOUND; A MIXTURE THEREOF; AN ORGANOSILICON COMPOUND; A MIXTURE OF ANY OF THE FOREGOING WITH AN ION EXCHANGE MATERIAL OR A MIXTURE OF A WATER INSOLUBLE HIGH MOLECULAR WEIGHT ORGANIC COMPOUND AND AN ION EXCHANGE MATERIAL. PREFERABLY, THE MEMBRANE IS OBTAINED BY APPLYING TO THE BASE A SOLUTION OF THE FILM FORMING MATERIAL WHICH IS DRIED TO LEAVE THE SEMIPERMEABLE MEMBRANE COATING. BY MEANS OF THE PRESENT MEMBRANE-COATED ELECTRODE PLATE, A LIGHT, COMPACT AND EFFICIENT CAPACITOR IS OBTAINED WHICH AS A HIGH ELECTROSTATIC CAPACITY PER UNIT AREA.
Inventors
- 👤 Tomiya Yoshino
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |