US2749301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mercury type, caustic, chlorine cell
Assignee: Chemical Construction Corp
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Filing: 1952-11-19
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Granted: 1956-06-05
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Expires: 1972-11-19
Abstract
No abstract record available.
Inventors
- 👤 William J Rosenbloom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:19
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/70; C25B11/00; C25B11/02; C25B11/033; C25B9/005; C25B9/30; C25B9/303
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
278 words
A MERCURY CAUSTIC CHLORINE CELL FOR CONDUCTING THE ELECTROLYSIS OF A CONCENTRATED AQUEOUS SOLUTION OF SODIUM CHLORIDE WHICH COMPRISES, A BODY PORTION PROVIDED WITH SIDE WALLS, A TOP AND A BOTTOM, A DIAPHRAGM DIVIDING THE BODY PORTION INTO UPPER AND LOWER COMPARTMENTS, A GRID SUPPORT FOR THE DIAPHRAGM, A BRINE INLET PORT IN ONE SIDE OF THE LOWER COMPARTMENT, A COMBINED SPENT BRINE AND CHLORINE OUTLET PORT IN THE OPPOSITE SIDE OF THE LOWER COMPARTMENT, A PLURALITY OF CLAMPING STRIPS FOR SECURING THE DIAPHRAGM TO THE UNDERSIDE OF THE GRID, SAID CLAMPING STRIPS EXTENDING ACROSS THE COMPARTMENT FROM THE INLET PORT SIDE TO THE OUTLET PORT SIDE, A CENTRALLY POSITIONED GRAPHITE ANODE IN THE LOWER COMPARTMENT, A LIQUID DISTRIBUTING HEADER ALONG THE INLET PORT SIDE OF THE LOWER COMPARTMENT AND MEANS FOR DIRECTING LIQUID THEREFROM TO THE TOP OF SAID ANODE, A LIQUID COLLECTING HEADER ALONG THE OUTLET PORT SIDE OF SAID LOWER COMPARTMENT, GROOVES IN THE TOP SURFACE OF THE ANODE FOR RECEIVING THE CLAMPING STRIPS, SAID TOP SURFACE BEING DISPOSED CLOSELY ADJACENT THE UNDER SIDE OF THE DIAPHRAGM BUT SUFFICIENTLY SPACED THEREFROM FOR PASSAGE OF A THIN STREAM OF BRINE TO FLOW THERE BETWEEN, MERCURY ON TOP OF THE DIAPHRAGM FORMING THE CATHODE ELECTRODE, ACTIVATED GRAPHITE CONDUCTORS DIPPING INTO THE MERCURY, ELECTRICALLY CONDUCTING MEANS SECURED TO THE TOP OF THE BODY PORTION FOR SUPPORTING THE GRAPHITE CONDUCTORS IN SUSPENSION IN THE MERCURY, A WATER INLET PORT IN ONE SIDE OF THE UPPER COMPARTMENT, A CAUSTIC OUTLET PORT IN THE OPPOSITE SIDE OF THE UPPER COMPARTMENT, MEANS FOR REMOVING HYDROGEN FROM SAID COMPARTMENT AND MEANS FOR ELECTRICALLY CONNECTING THE ANODE AND CATHODE TO A SOURCE OF ELECTRICITY.
Claim 2
Dependent Claim
278 words
A MERCURY CAUSTIC CHLORINE CELL FOR CONDUCTING THE ELECTROLYSIS OF A CONCENTRATED AQUEOUS SOLUTION OF SODIUM CHLORIDE WHICH COMPRISES, A BODY PORTION PROVIDED WITH SIDE WALLS, A TOP AND A BOTTOM, A DIAPHRAGM DIVIDING THE BODY PORTION INTO UPPER AND LOWER COMPARTMENTS, A GRID SUPPORT FOR THE DIAPHRAGM, A BRINE INLET PORT IN ONE SIDE OF THE LOWER COMPARTMENT, A COMBINED SPENT BRINE AND CHLORINE OUTLET PORT IN THE OPPOSITE SIDE OF THE LOWER COMPARTMENT, A PLURALITY OF CLAMPING STRIPS FOR SECURING THE DIAPHRAGM TO THE UNDERSIDE OF THE GRID, SAID CLAMPING STRIPS EXTENDING ACROSS THE COMPARTMENT FROM THE INLET PORT SIDE TO THE OUTLET PORT SIDE, A CENTRALLY POSITIONED GRAPHITE ANODE IN THE LOWER COMPARTMENT, A LIQUID DISTRIBUTING HEADER ALONG THE INLET PORT SIDE OF THE LOWER COMPARTMENT AND MEANS FOR DIRECTING LIQUID THEREFROM TO THE TOP OF SAID ANODE, A LIQUID COLLECTING HEADER ALONG THE OUTLET PORT SIDE OF SAID LOWER COMPARTMENT, GROOVES IN THE TOP SURFACE OF THE ANODE FOR RECEIVING THE CLAMPING STRIPS, SAID TOP SURFACE BEING DISPOSED CLOSELY ADJACENT THE UNDER SIDE OF THE DIAPHRAGM BUT SUFFICIENTLY SPACED THEREFROM FOR PASSAGE OF A THIN STREAM OF BRINE TO FLOW THERE BETWEEN, MERCURY ON TOP OF THE DIAPHRAGM FORMING THE CATHODE ELECTRODE, ACTIVATED GRAPHITE CONDUCTORS DIPPING INTO THE MERCURY, ELECTRICALLY CONDUCTING MEANS SECURED TO THE TOP OF THE BODY PORTION FOR SUPPORTING THE GRAPHITE CONDUCTORS IN SUSPENSION IN THE MERCURY, A WATER INLET PORT IN ONE SIDE OF THE UPPER COMPARTMENT, A CAUSTIC OUTLET PORT IN THE OPPOSITE SIDE OF THE UPPER COMPARTMENT, MEANS FOR REMOVING HYDROGEN FROM SAID COMPARTMENT AND MEANS FOR ELECTRICALLY CONNECTING THE ANODE AND CATHODE TO A SOURCE OF ELECTRICITY.
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |