US3254958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature preparation of chlorine from hydrogen chloride
Assignee: Halcon Research and Development Corp
•
Filing: 1962-09-17
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Granted: 1966-06-07
•
Expires: 1982-09-17
Abstract
No abstract record available.
Inventors
- 👤 Irwin B Margiloff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:01
CPC Classifications
H; H05; H05H; H05H1/00; H05H1/24; H05H1/26; H05H1/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A PROCESS FOR PREPARING CHLORINE FROM HYDROGEN CHLORIDE WHICH COMPRISES CRACKING THE LATTER AT ELEVATED TEMPERATURES OF FROM ABOUT 4000*F. TO ABOUT 8000*F. IN THE PRESENCE OF WATER PLASMA, COOLING AND SEPARATING THE CHLORINE THEREFROM, AND RECYCLING UNREACTED HYDROGEN CHLORIDE TO THE CRACKING STEP.
Claim 2
Dependent Claim
44 words
A PROCESS FOR PREPARING CHLORINE FROM HYDROGEN CHLORIDE WHICH COMPRISES CRACKING THE LATTER AT ELEVATED TEMPERATURES OF FROM ABOUT 4000*F. TO ABOUT 8000*F. IN THE PRESENCE OF WATER PLASMA, COOLING AND SEPARATING THE CHLORINE THEREFROM, AND RECYCLING UNREACTED HYDROGEN CHLORIDE TO THE CRACKING STEP.
References Cited (Backward Citations)
US2547928A
Cited
US2542961A
Cited
US2819423A
Cited
US2951143A
Cited
US3091920A
Cited
US3114691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |