US2967200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of ketoximes
Assignee: EIDP Inc
•
Filing: 1959-01-28
•
Granted: 1961-01-03
•
Expires: 1979-01-28
Abstract
No abstract record available.
Inventors
- 👤 Foster Robert Everett
- 👤 Kirby Arthur Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:40
CPC Classifications
C; C07; C07C; C07C239/00; C07C239/08; C07C239/10; C07C249/00; C07C249/04; C07C251/00; C07C251/32; C07C251/34; C07C251/44; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PROCESS FOR THE PREPARATION OF A KETOXINE WHICH COMPRISES HYDROGENATING A NITRO COMPOUND SELECTED FROM THE GROUP CONSISTING OF NITRO CYCLOALKANES AND SECONDARY NITRO ALKANES, THE REACTION MASS BEING IN CONTACT WITH LEAD IN AN AMOUNT OF AT LEAST 100 PARTS OF LEAD PER MILLION PARTS OF SAID NITRO COMPOUND, AND A HYDROGENATION CATALYST SELECTED FROM THE GROUP CONSISTING OF PALLADIUM, PLATINUM, REDUCED NICKEL, REDUCED COBALT, AND COPPER CHROMITE CATALYSTS, AT A TEMPERATURE WITHIN THE RANGE OF 60* C. AND THE DECOMPOSITION TEMPERATURE OF SAID NITRO COMPOUND.
Claim 2
Dependent Claim
88 words
A PROCESS FOR THE PREPARATION OF A KETOXINE WHICH COMPRISES HYDROGENATING A NITRO COMPOUND SELECTED FROM THE GROUP CONSISTING OF NITRO CYCLOALKANES AND SECONDARY NITRO ALKANES, THE REACTION MASS BEING IN CONTACT WITH LEAD IN AN AMOUNT OF AT LEAST 100 PARTS OF LEAD PER MILLION PARTS OF SAID NITRO COMPOUND, AND A HYDROGENATION CATALYST SELECTED FROM THE GROUP CONSISTING OF PALLADIUM, PLATINUM, REDUCED NICKEL, REDUCED COBALT, AND COPPER CHROMITE CATALYSTS, AT A TEMPERATURE WITHIN THE RANGE OF 60* C. AND THE DECOMPOSITION TEMPERATURE OF SAID NITRO COMPOUND.
References Cited (Backward Citations)
US2423180A
Cited
US2420382A
Cited
GB667552A
Cited
FR1021058A
Cited
US2681938A
Cited
CH280466A
Cited
US2768206A
Cited
US2711427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |