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Patent US2638482A successfully refreshed from Google Patents.
US2638482A
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Production of cyclohexanone oxime
Assignee: Mathieson Chemical Corp
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Filing: 1952-07-15
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Granted: 1953-05-12
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Expires: 1972-07-15
Abstract
No abstract record available.
Inventors
- 👤 Grundmann Christoph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:03
CPC Classifications
C; C07; C07C; C07C239/00; C07C239/08; C07C239/10; C07C251/00; C07C251/32; C07C251/34; C07C251/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A PROCESS FOR THE MANUFACTUR OF CYCLOHEXANONE OXIME COMPRISING REACTING NITROCYCLOHEXANE AND AMMONIA IN THE PRESENCE OF A NICKEL CATALYST UNDER ELEVATED CONDITIONS OF TEMPERATURE AND PRESSURE.
Claim 2
Dependent Claim
27 words
A PROCESS FOR THE MANUFACTUR OF CYCLOHEXANONE OXIME COMPRISING REACTING NITROCYCLOHEXANE AND AMMONIA IN THE PRESENCE OF A NICKEL CATALYST UNDER ELEVATED CONDITIONS OF TEMPERATURE AND PRESSURE.
References Cited (Backward Citations)
US2377071A
Cited
US2423180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-11 | 1956-11-10 | 1957-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-11 | 1960-11-10 | 1961-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-11 | 1964-11-10 | 1965-05-12 | $7700.00 | Window Closed / Lapsed |