US2696505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of oximes
Assignee: Bayer AG
•
Filing: 1951-12-06
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Granted: 1954-12-07
•
Expires: 1971-12-06
Abstract
No abstract record available.
Inventors
- 👤 Welz Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:16
CPC Classifications
C; C07; C07C; C07C201/00; C07C249/00; C07C249/04; C07C249/08; C07C251/00; C07C251/32; C07C251/34; C07C251/44; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A PROCESS FOR THE PRODUCTION OF OXIMES, WHICH COMPRISES INTRODUCING HYDROGEN SULFIDE INTO AN ACID SOLUTION OF A SALT SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL AND ALKALINE EARTH METAL SALTS OF MONO- AND DINITRO ALKANES HAVING FROM 2 TO 11 CARBON ATOMS AND MONOAND DINITRO MONO- AND DICYCLO ALKANES, WHOSE NITRO GROUPS ARE CONNECTED TO CARBON ATOMS CARRYING AT LEAST ONE HYDROGEN ATOM.
Claim 2
Dependent Claim
66 words
A PROCESS FOR THE PRODUCTION OF OXIMES, WHICH COMPRISES INTRODUCING HYDROGEN SULFIDE INTO AN ACID SOLUTION OF A SALT SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL AND ALKALINE EARTH METAL SALTS OF MONO- AND DINITRO ALKANES HAVING FROM 2 TO 11 CARBON ATOMS AND MONOAND DINITRO MONO- AND DICYCLO ALKANES, WHOSE NITRO GROUPS ARE CONNECTED TO CARBON ATOMS CARRYING AT LEAST ONE HYDROGEN ATOM.
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) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |