US2628935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic production of chlorates
Assignee: Pennsylvania Salt Manufacturing Co
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Filing: 1946-08-12
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Granted: 1953-02-17
•
Expires: 1966-08-12
Abstract
No abstract record available.
Inventors
- 👤 William K Earnest
- 👤 Errol H Karr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:44
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/24; C25B1/26; C25B1/265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN A PROCESS FOR THE ELECTROLYTIC PRODUCTION OF AN ALKALI METAL CHLORATE BY THE ELECTROLYSIS OF AN ACIDIC AQUEOUS SOLUTION OF AN ALKALI METAL CHLORIDE, EMPLOYING GASEOUS CHLORINE FOR MAINTAINING PROPER ACIDIFICATION OF THE SOLUTION, THE STEP THAT COMPRISES HOLDING THE SOLUTION, THE LEAST FIVE MINUTES AFTER FIRST CONTACTING THE ACIDIC SOLUTION WITH CHLORINE AND BEFORE INTRODUCING IT INTO THE ELECTROLYTIC CELL.
Claim 2
Dependent Claim
62 words
IN A PROCESS FOR THE ELECTROLYTIC PRODUCTION OF AN ALKALI METAL CHLORATE BY THE ELECTROLYSIS OF AN ACIDIC AQUEOUS SOLUTION OF AN ALKALI METAL CHLORIDE, EMPLOYING GASEOUS CHLORINE FOR MAINTAINING PROPER ACIDIFICATION OF THE SOLUTION, THE STEP THAT COMPRISES HOLDING THE SOLUTION, THE LEAST FIVE MINUTES AFTER FIRST CONTACTING THE ACIDIC SOLUTION WITH CHLORINE AND BEFORE INTRODUCING IT INTO THE ELECTROLYTIC CELL.
References Cited (Backward Citations)
US627063A
Cited
US1173346A
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US2180668A
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US693035A
Cited
US727813A
Cited
US802205A
Cited
US827721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |