US3085860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing hydrogen chloride
Assignee: Knapsack AG
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Filing: 1961-07-20
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Granted: 1963-04-16
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Expires: 1981-07-20
Abstract
No abstract record available.
Inventors
- 👤 Jacobowsky Armin
- 👤 Hartmann Fridolin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:29
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A PROCESS FOR THE NON-CATALYTIC PREPARATION OF HYDROGEN CHLORIDE WHICH COMPRISES IGNITING CHLORINE, STEAM AND CARBIDE FURNACE GAS COMPOSED OF CARBON MONOXIDE AND HYDROGEN AFTER THEY HAVE BEEN MIXED WHEREBY A GASEOUS MIXTURE OF HYDROGEN CHLORIDE AND CARBON DIOXIDE ARE FORMED, AND INTRODUCING THE GASEOUS MIXTURE INTO AN AQUEOUS MEDIUM IN WHICH ONLY THE HYDROGEN CHLORIDE IS ABSORBED.
Claim 2
Dependent Claim
58 words
A PROCESS FOR THE NON-CATALYTIC PREPARATION OF HYDROGEN CHLORIDE WHICH COMPRISES IGNITING CHLORINE, STEAM AND CARBIDE FURNACE GAS COMPOSED OF CARBON MONOXIDE AND HYDROGEN AFTER THEY HAVE BEEN MIXED WHEREBY A GASEOUS MIXTURE OF HYDROGEN CHLORIDE AND CARBON DIOXIDE ARE FORMED, AND INTRODUCING THE GASEOUS MIXTURE INTO AN AQUEOUS MEDIUM IN WHICH ONLY THE HYDROGEN CHLORIDE IS ABSORBED.
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |