Patent US2749358A successfully refreshed from Google Patents.
US2749358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of oximes
Assignee: EIDP Inc
•
Filing: 1955-02-18
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Granted: 1956-06-05
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Expires: 1975-02-18
Abstract
No abstract record available.
Inventors
- 👤 Edward L Reilly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:09
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/54; C07C; C07C249/00; C07C249/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A PROCESS FOR THE PREPARATION OF OXIMES WHICH COMPRISES REACTING NITRIC OXIDE AND A COMPOUND CONTAINING AN ACTIVE METHYLENE GROUP AT TEMPERATURES OF 50 TO 150* C. AND PRESSURES OF 100 TO 400 LB./SQ. IN. GA. IN THE PRESENCE OF A VARIABLE-VALENCE-METAL SALT CATALYST.
Claim 2
Dependent Claim
44 words
A PROCESS FOR THE PREPARATION OF OXIMES WHICH COMPRISES REACTING NITRIC OXIDE AND A COMPOUND CONTAINING AN ACTIVE METHYLENE GROUP AT TEMPERATURES OF 50 TO 150* C. AND PRESSURES OF 100 TO 400 LB./SQ. IN. GA. IN THE PRESENCE OF A VARIABLE-VALENCE-METAL SALT CATALYST.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |