US2569329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operation in electrolytic alkali chlorine cells
Assignee: Occidental Chemical Corp
•
Filing: 1947-08-29
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Granted: 1951-09-25
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Expires: 1967-08-29
Abstract
No abstract record available.
Inventors
- 👤 Sidney G Osborne
- 👤 Mitchell Aloysius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:51
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/34; C25B1/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
IN THE METHOD OF DECOMPOSING ALKALI METAL CHLORIDES IN ELECTROLYTIC ALKALI CHLORINE CELLS OF THE DIAPHARGM TYPE, THE STEP OF: INTRODUCING SULFUR IN OXIDIZABLE FORM INTO THE ANOLYTE IN THE CELL IN QUANTITIES BETWEEN ABOUT 0.01 AND ABOUT 1.0 PER CENT BY WEIGHT OF THE AQUEOUS CHLORIDE FED TO THE CELL.
Claim 2
Dependent Claim
51 words
IN THE METHOD OF DECOMPOSING ALKALI METAL CHLORIDES IN ELECTROLYTIC ALKALI CHLORINE CELLS OF THE DIAPHARGM TYPE, THE STEP OF: INTRODUCING SULFUR IN OXIDIZABLE FORM INTO THE ANOLYTE IN THE CELL IN QUANTITIES BETWEEN ABOUT 0.01 AND ABOUT 1.0 PER CENT BY WEIGHT OF THE AQUEOUS CHLORIDE FED TO THE CELL.
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) | 1954-09-24 | 1955-03-26 | 1955-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-24 | 1959-03-26 | 1959-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-24 | 1963-03-26 | 1963-09-25 | $7700.00 | Window Closed / Lapsed |