US3661755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel electrochemical cell for producing oxidizers
Assignee: WR Grace and Co
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Filing: 1970-09-23
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Granted: 1972-05-09
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Expires: 1990-09-23
Abstract
Abstract A DIP-TYPE ELECTROCHEMICAL CELL FOR THE ELECTROLYSIS OF SALT SOLUTION, PARTICULARLY HALOGEN SALT SOLUTION, SAID ELECTROCHEMICAL CELL COMPRISING AT LEAST ONE ANODE AND AT LEAST ONE CATHODE WHEREIN THE RATIO OF THE TOTAL ACTIVE ANODE SURFACE AREA TO THE TOTAL ACTIVE ATHODE SURFACE AREA IS WITHIN THE RANGE OF ABOUT .1 TO ABOUT 10, BUT MOST PREFERABLY 1; AND PREFERABLY HAVING A NON-POROUS PLASTIC HOUSING COMPRISING SEPARATE CHAMBERS FOR THE ELECTRODES. SAID ELECTRODES ARE COMPOSED OF A NON-CORRODING CONDUCTING MATERIAL WHICH CAN WITHSTAND HIGHLY ALKALINE OR ACIDIC CONDITIONS ON A CONTINUOUS BASIS.
Inventors
- 👤 Arvind S Patil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:51
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/17
Claims Analysis
Total Claims: 0
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References 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) | 1975-05-09 | 1975-11-08 | 1976-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-09 | 1979-11-08 | 1980-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-09 | 1983-11-08 | 1984-05-09 | $7700.00 | Window Closed / Lapsed |