US2765310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic dehydrogenation of
Assignee: —
•
Filing: —
•
Granted: 1956-10-02
•
Expires: 1973-10-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:44
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
PROCESS FOR THE CATALYTIC DEHYDROGENTATION OF PIPERIDINE TO PYRIDINE BY PASSING PIPERIDINE VAPOUR AND HYDROGEN OVER A CATALYST SELECTED FROM THE GROUP CONSISTING OF PLATINUM AND PALLADIUM CHARACTERISED IN THAT AT LEAST SEVEN MOLECULAR PROPORTIONS OF HYDROGEN ARE USED PER MOLECULAR PROPORTION OF PIPERIDINE.
Claim 2
Dependent Claim
44 words
PROCESS FOR THE CATALYTIC DEHYDROGENTATION OF PIPERIDINE TO PYRIDINE BY PASSING PIPERIDINE VAPOUR AND HYDROGEN OVER A CATALYST SELECTED FROM THE GROUP CONSISTING OF PLATINUM AND PALLADIUM CHARACTERISED IN THAT AT LEAST SEVEN MOLECULAR PROPORTIONS OF HYDROGEN ARE USED PER MOLECULAR PROPORTION OF PIPERIDINE.
References Cited (Backward Citations)
US2019883A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |