Flexible cover for an electrolytic cell
Abstract
Abstract A FLEXIBLE FLUID IMPERMEALE ELASTOMERIC COVER PARTICULARLY FOR AN ELECTROLYTIC CHLORINE CELL OF THE MERCURY TYPE. THE COVER IS COMPRISED OF A FIRST VILCANIZED RUBBERY POLYMER CONTACTED BY THE HOT CELL AND A SECOND VULCANIZED RUBORGINATING WITHIN THE CELL WET CHLORINE GAS ATMCANIZED RUBBERY POLYMER RESISTANT TO THE PERMEATION OF FLUIDS, HEAT AND HIGH OZONE CONCENTRATIONS WHICH IS CONTACTED BY THE OXYGEN AND OZONE ATMOSPHERE ORIGINATING OUTSIDE THE CELL THE FIRST POLYMER IS PREFERABLY POLYISOPRENE AND THE SECOND POLYMER IS BUTYL, CHLOROBUTYL, BROMOBUTYL RUBBER OR CHLOROSULFONATED POLYETHYLENE. THE COVER MAY BE AT LEAST A SINGLE LAYER OF A VULCANIZED BLEND OF THE FIRST AND SECOND POLYMER OR A COMPOSITE LAMINATE COMPRISED OF SEPARATE LAYERS OF BLEND AND/OR THE FIRST AND SECOND POLYMERS. D R A W I N G
Inventors
- 👤 B Oliver
- 👤 H Custer
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |