US3316319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyolefinic selective hydrogenation
Assignee: EIDP Inc
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Filing: 1964-06-04
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Granted: 1967-04-25
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Expires: 1984-06-04
Abstract
No abstract record available.
Inventors
- 👤 Robert K Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:12
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/02; C07C5/03; C07C5/05; C07C2527/00; C07C2527/06; C07C2527/128; C07C2527/13; C07C2531/00; C07C2531/16; C07C2531/22; C07C2601/00; C07C2601/18; C07C2601/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
IN THE PROCESS FOR THE SELECTIVE HYDROGENATION OF NON-CONJUGATED CYCLIC POLYOLEFINS, HAVING 8-16 CARBON ATOMS, BY REACTION WITH MOLECULAR HYDROGEN IN THE PRESENCE OF A CATALYST, THE IMPROVEMENT WHICH COMPRISES CARRYING OUT SAID REACTION AT A TEMPERATURE OF 25 TO 150*C. AND A PRESSURE UP TO 100 ATMOSPHERES IN CONTACT WITH A DIVALENT PALLADIUM CATALYST AND WATER.
Claim 2
Dependent Claim
57 words
IN THE PROCESS FOR THE SELECTIVE HYDROGENATION OF NON-CONJUGATED CYCLIC POLYOLEFINS, HAVING 8-16 CARBON ATOMS, BY REACTION WITH MOLECULAR HYDROGEN IN THE PRESENCE OF A CATALYST, THE IMPROVEMENT WHICH COMPRISES CARRYING OUT SAID REACTION AT A TEMPERATURE OF 25 TO 150*C. AND A PRESSURE UP TO 100 ATMOSPHERES IN CONTACT WITH A DIVALENT PALLADIUM CATALYST AND WATER.
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) | 1970-04-24 | 1970-10-24 | 1971-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-24 | 1974-10-24 | 1975-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-24 | 1978-10-24 | 1979-04-25 | $7700.00 | Window Closed / Lapsed |