US2586030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of cyanides
Assignee: Celanese Corp
•
Filing: 1948-04-29
•
Granted: 1952-02-19
•
Expires: 1968-04-29
Abstract
No abstract record available.
Inventors
- 👤 Groombridge Walter Henry
- 👤 Hunter William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:01
CPC Classifications
C; C01; C01C; C01C3/00; C01C3/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
PROCESS FOR THE PRODUCTION OF ALKALI METAL CYANIDE BY REACTION BETWEEN AN ALKALI METAL CARBONATE, CARBON AND OXYGEN-FREE NITROGEN, WHICH COMPRISES CARRYING OUT THE CYANIDE FORMING REACTION IN A THERMALLY INSULATED REACTION ZONE WHILE INTRODUCING NITROGEN THEREIN AT A RATE AT LEAST 10 TIMES AS FAST AS IT IS USED, PASSING PART OF THE GASEOUS REACTION PRODUCTS ISSUING FROM THE REACTION ZONE TO A COMBUSTION ZONE IN WHICH THE ENTERING GASEOUS REACTION PRODUCTS CONTAINING CARBON MONOXIDE PRODUCED IN THE REACTION ARE MIXED AND BURNT WITH SUBSTANTIALLY THE THE-
Claim 2
Dependent Claim
88 words
PROCESS FOR THE PRODUCTION OF ALKALI METAL CYANIDE BY REACTION BETWEEN AN ALKALI METAL CARBONATE, CARBON AND OXYGEN-FREE NITROGEN, WHICH COMPRISES CARRYING OUT THE CYANIDE FORMING REACTION IN A THERMALLY INSULATED REACTION ZONE WHILE INTRODUCING NITROGEN THEREIN AT A RATE AT LEAST 10 TIMES AS FAST AS IT IS USED, PASSING PART OF THE GASEOUS REACTION PRODUCTS ISSUING FROM THE REACTION ZONE TO A COMBUSTION ZONE IN WHICH THE ENTERING GASEOUS REACTION PRODUCTS CONTAINING CARBON MONOXIDE PRODUCED IN THE REACTION ARE MIXED AND BURNT WITH SUBSTANTIALLY THE THE-
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) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |