US2871097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of chlorine dioxide
Assignee: Hooker Chemical Corp
•
Filing: 1956-02-06
•
Granted: 1959-01-27
•
Expires: 1976-02-06
Abstract
No abstract record available.
Inventors
- 👤 Rapson William Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:06
CPC Classifications
C; C01; C01B; C01B11/00; C01B11/02; C01B11/022; C01B11/023; C01B11/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
IN A PROCESS FOR PRODUCING CHLORINE DIOXIDE THE STEPS OF: CONTACTING A SOLUTION CONTAINING SUBSTANTIALLY EQIMOLECULAR QUANTITIES OF A METAL CHLORATE AND METAL CHLORITE WITH GAS CONTAINING CHLORINE AND CHLORINE DIOXIDE IN APPROXIMATELY 2 TO 1 MOLAR RATIO THEREBY TO PRODUCE A MIXTURE OF HIGHER CONTENT OF CHLORINE DIOXIDE, A CHLORATE AND A CHLORIDE; SEPARATING THE CHLORINE DIOXIDE THUS PRODUCED; INTRODUCING THE RESULTING CHLORATE AND CHLORIDE CONTAINING SOLUTION THUS PRODUCED INTO A
Claim 2
Dependent Claim
72 words
IN A PROCESS FOR PRODUCING CHLORINE DIOXIDE THE STEPS OF: CONTACTING A SOLUTION CONTAINING SUBSTANTIALLY EQIMOLECULAR QUANTITIES OF A METAL CHLORATE AND METAL CHLORITE WITH GAS CONTAINING CHLORINE AND CHLORINE DIOXIDE IN APPROXIMATELY 2 TO 1 MOLAR RATIO THEREBY TO PRODUCE A MIXTURE OF HIGHER CONTENT OF CHLORINE DIOXIDE, A CHLORATE AND A CHLORIDE; SEPARATING THE CHLORINE DIOXIDE THUS PRODUCED; INTRODUCING THE RESULTING CHLORATE AND CHLORIDE CONTAINING SOLUTION THUS PRODUCED INTO A
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) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |