US3101253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of chlorine dioxide
Assignee: Hoechst AG
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Filing: 1960-07-20
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Granted: 1963-08-20
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Expires: 1980-07-20
Abstract
No abstract record available.
Inventors
- 👤 Hirschberg Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:50
CPC Classifications
C; C01; C01B; C01B11/00; C01B11/02; C01B11/022; C01B11/023; C01B11/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN A PROCESS FOR THE MANUFACTURE OF CHLORINE DIOXIDE BY REDUCING A COMPOUND OF THE GROUP CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL CHLORATES WITH HYDROCHLORIC ACID IN AN AQUEOUS SOLUTION, THE IMPROVEMENT WHICH CONSISTS IN CARRYING OUT THE REACTION AT A TEMPERATURE IN THE RANGE FROM 0 TO 100*C., AND IN THE PRESENCE OF A CATALYST OF THE GROUP CONSISTING OF MN+2 IONS IN AN AMOUNT BETWEEN ABOUT 0.5 AND ABOUT1.5 G. PER LITER OF SOLUTION, AG+ IONS IN AN AMOUNT BETWEEN ABOUT 0.02 AND ABOUT 0.3 G. PER LITER OF SOLUTION, AND COMBINATIONS THEREOF.
Claim 2
Dependent Claim
97 words
IN A PROCESS FOR THE MANUFACTURE OF CHLORINE DIOXIDE BY REDUCING A COMPOUND OF THE GROUP CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL CHLORATES WITH HYDROCHLORIC ACID IN AN AQUEOUS SOLUTION, THE IMPROVEMENT WHICH CONSISTS IN CARRYING OUT THE REACTION AT A TEMPERATURE IN THE RANGE FROM 0 TO 100*C., AND IN THE PRESENCE OF A CATALYST OF THE GROUP CONSISTING OF MN+2 IONS IN AN AMOUNT BETWEEN ABOUT 0.5 AND ABOUT1.5 G. PER LITER OF SOLUTION, AG+ IONS IN AN AMOUNT BETWEEN ABOUT 0.02 AND ABOUT 0.3 G. PER LITER OF SOLUTION, AND COMBINATIONS THEREOF.
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) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |