US2944094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Purification of olefins selective hydrogenation of monosubstituted 1-olefins with a ruthenium catalyst
Assignee: Engelhard Industries Inc
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Filing: 1958-12-23
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Granted: 1960-07-05
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Expires: 1978-12-23
Abstract
No abstract record available.
Inventors
- 👤 Paul N Rylander
- 👤 Lewis M Berkowitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:10
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/32; C10G45/34; C10G45/40; B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/46; B01J23/462; C07; C07C; C07C5/00; C07C5/02; C07C5/03; C07C51/00; C07C51/42; C07C51/487; C07C7/00; C07C7/148; C07C7/163; C07C2523/00; C07C2523/38; C07C2523/40; C07C2523/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A PROCESS FOR THE SELECTIVE HYDROGENATION OF A MONOSUBSTITUTED 1-OLEFIN, CONTAINING A SINGLE SUBSTITUENT WHICH IS NON-REACTIVE UNDER THE REACTION CONDITIONS, IN ADMIXTURE WITH A MORE HIGHLY SUBSTITUTED OLEFIN WHICH COMPRISES CONTACTING THE MIXTURE OF OLEFINS WITH A RUTHENIUM CATALYST IN THE PRESENCE OF HYDROGEN.
Claim 2
Dependent Claim
45 words
A PROCESS FOR THE SELECTIVE HYDROGENATION OF A MONOSUBSTITUTED 1-OLEFIN, CONTAINING A SINGLE SUBSTITUENT WHICH IS NON-REACTIVE UNDER THE REACTION CONDITIONS, IN ADMIXTURE WITH A MORE HIGHLY SUBSTITUTED OLEFIN WHICH COMPRISES CONTACTING THE MIXTURE OF OLEFINS WITH A RUTHENIUM CATALYST IN THE PRESENCE OF HYDROGEN.
References Cited (Backward Citations)
US2342074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |