Patent US2584824A successfully refreshed from Google Patents.
US2584824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic preparation of alkali metal chlorites
Assignee: Solvay SA
•
Filing: 1948-02-18
•
Granted: 1952-02-05
•
Expires: 1968-02-18
Abstract
No abstract record available.
Inventors
- 👤 Vanharen Lambert
- 👤 Rossier Michel
- 👤 Vandeur Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:14
CPC Classifications
C; C01; C01B; C01B11/00; C01B11/08; C01B11/10; C25; C25B; C25B1/00; C25B1/01; C25B1/24; C25B1/26; Y; Y10; Y10S; Y10S204/00; Y10S204/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
THE PROCESS OF PREPARING AN ALKALI METAL CHLORINE, WHICH COMPRISES SUBJECTING TO ELECTROLYSIS AS A CATHOLYTE IN A DIAPHRAGMED ELECTROLYTIC CELL AN AQUEOUS SOLUTION COMPRISING AN ALKALI METAL HYDROXIDE, SIMULTANEOUSLY INTRODUCING CHLORINE DIOXIDE INTO DIRECT CONTACT WITH THE POLARIZED CATHODE IN A QUANTITY STOICHIOMETRICALLY IN EXCESS OF THE HYDROGEN DISCHARGED AT THE CATHODE, WHILE MAINTAINING THE CATHOLYTE SLIGHTLY ACID TO NEARLY NEUTRAL, THEREBY OBTAINING THE CHLORIDE.
Claim 2
Dependent Claim
66 words
THE PROCESS OF PREPARING AN ALKALI METAL CHLORINE, WHICH COMPRISES SUBJECTING TO ELECTROLYSIS AS A CATHOLYTE IN A DIAPHRAGMED ELECTROLYTIC CELL AN AQUEOUS SOLUTION COMPRISING AN ALKALI METAL HYDROXIDE, SIMULTANEOUSLY INTRODUCING CHLORINE DIOXIDE INTO DIRECT CONTACT WITH THE POLARIZED CATHODE IN A QUANTITY STOICHIOMETRICALLY IN EXCESS OF THE HYDROGEN DISCHARGED AT THE CATHODE, WHILE MAINTAINING THE CATHOLYTE SLIGHTLY ACID TO NEARLY NEUTRAL, THEREBY OBTAINING THE CHLORIDE.
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) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |