US3203882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of operating an alkali chlorate cell
Assignee: PPG Industries Inc
•
Filing: 1962-03-30
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Granted: 1965-08-31
•
Expires: 1982-03-30
Abstract
No abstract record available.
Inventors
- 👤 Forbes Sydney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:04
CPC Classifications
C; C25; C25B; C25B9/00; C25B1/00; C25B1/01; C25B1/24; C25B1/26; C25B1/265; C25B11/00; C25B11/02; C25B11/036; C25B9/07; C25B9/60; C25B9/65; C25B9/70; C25B9/73; C25B9/75
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN A METHOD OF PREPARING ALKALI METAL CHLORATES BY ELECTROLYSIS OF AQUEOUS ALKALI METAL CHLORIDE SOLUTIONS IN AN ELECTROLYTIC CELL HAVING A BOTTOM, SIDE WALLS AND A COVER THE IMPROVEMENT COMPRISING MAINTAINING THE CELL DURING ELECTROLYSIS SUFFICIENT BRINE TO MAINTAIN BRINE IN CONTACT WITH THE CELL COVER, COLLECTING GASEOUS PRODUCTS RESULTING FROM SAID ELECTROLYSIS ON SAID COVER AND TRANSPORTING THEM TO A GAS COLLECTION ZONE OF REDUCED CROSS SECTIONAL AREA IN RELATION TO THE CROSS SECTIONAL AREA OF SAID CELL AND RECOVERING SAID GASEOUS PRODUCTS FROM SAID GAS COLLECTION ZONE.
Claim 2
Dependent Claim
90 words
IN A METHOD OF PREPARING ALKALI METAL CHLORATES BY ELECTROLYSIS OF AQUEOUS ALKALI METAL CHLORIDE SOLUTIONS IN AN ELECTROLYTIC CELL HAVING A BOTTOM, SIDE WALLS AND A COVER THE IMPROVEMENT COMPRISING MAINTAINING THE CELL DURING ELECTROLYSIS SUFFICIENT BRINE TO MAINTAIN BRINE IN CONTACT WITH THE CELL COVER, COLLECTING GASEOUS PRODUCTS RESULTING FROM SAID ELECTROLYSIS ON SAID COVER AND TRANSPORTING THEM TO A GAS COLLECTION ZONE OF REDUCED CROSS SECTIONAL AREA IN RELATION TO THE CROSS SECTIONAL AREA OF SAID CELL AND RECOVERING SAID GASEOUS PRODUCTS FROM SAID GAS COLLECTION ZONE.
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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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |