US3344053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorine cell
Assignee: Dow Chemical Co
•
Filing: 1964-05-04
•
Granted: 1967-09-26
•
Expires: 1984-05-04
Abstract
No abstract record available.
Inventors
- 👤 Marshall P Neipert
- 👤 James J Leddy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:46
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/34; C25B1/46; C25B9/00; C25B9/17; C25B9/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN AN IMPROVED DIAPHRAGM-TYPE CHLORINE CELL FOR THE ELECTROLYTIC DECOMPOSITION OF A CHLORIDE BRINE IN THE PRODUCTION OF CHLORINE GAS, SAID CELL CONTAINING A CATHODE, ANODE AND NON-CONDUCTING DIAPHRAGM WHICH DIVIDES THE CELL INTO AN ANOLYTE COMPARTMENT AND A CATHOLYTE COMPARTMENT, THE IMPROVEMENT COMPRISING A SUBSTANTIALLY RIGID SCREEN COMPOSED OF MESHED FILAMENTS POSITIONED PARALLEL TO AND ADJACENT TO SAID DIAPHRAGM ON THE CATHODE SIDE THEREOF BETWEEN THE DIAPHRAGM AND THE CATHODE, THE FILAMENTS OF SAID SCREEN BEING COATED WITH A NON-CONDUCTING, RESINOUS, PROTECTIVE COATING WHICH IS INERT TO THE REACTANTS OF THE CELL.
Claim 2
Dependent Claim
93 words
IN AN IMPROVED DIAPHRAGM-TYPE CHLORINE CELL FOR THE ELECTROLYTIC DECOMPOSITION OF A CHLORIDE BRINE IN THE PRODUCTION OF CHLORINE GAS, SAID CELL CONTAINING A CATHODE, ANODE AND NON-CONDUCTING DIAPHRAGM WHICH DIVIDES THE CELL INTO AN ANOLYTE COMPARTMENT AND A CATHOLYTE COMPARTMENT, THE IMPROVEMENT COMPRISING A SUBSTANTIALLY RIGID SCREEN COMPOSED OF MESHED FILAMENTS POSITIONED PARALLEL TO AND ADJACENT TO SAID DIAPHRAGM ON THE CATHODE SIDE THEREOF BETWEEN THE DIAPHRAGM AND THE CATHODE, THE FILAMENTS OF SAID SCREEN BEING COATED WITH A NON-CONDUCTING, RESINOUS, PROTECTIVE COATING WHICH IS INERT TO THE REACTANTS OF THE CELL.
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |