US3022359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective hydrogenation of cyclododecatriene to cyclododecene
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1959-04-07
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Granted: 1962-02-20
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Expires: 1979-04-07
Abstract
No abstract record available.
Inventors
- 👤 Herbert K Wiese
- 👤 Samuel B Lippincott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:28
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/02; C07C5/03; C07C5/05; C07C45/00; C07C45/27; C07C45/29; C07C2601/00; C07C2601/18; C07C2601/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
THE PROCESS FOR THE SELECTIVE HYDROGENATION OF A C3-C24 HYDROCARBON MORE UNSATURATED THAN A MONOOLEFIN TO AN OLEFINIC C3-C24 HYDROCARBON MORE SATURATED THAN THE STARTING MATERIAL WHICH COMPRISES REACTING THE MORE UNSATURATED HYDROCARBON WITH AT LEAST THE STOICHIOMETRIC AMOUNT OF A HYDROGEN SOURCE SELECTED FROM THE GROUP CONSISTING OF C3-C12 SATURATED ALIPHATIC MONOHYDRIC ALCOHOLS, C3-C12 SATURATED CYCLIC MONOHYDRIC ALCOHOLS, AND MIXTURES OF EACH OF THESE MATERIALS WITH GASEOUS HYDROGEN TO OBTAIN HYDROGENATION TO THE DESIRED OLEFINIC MATERIAL IN THE PRESENCE OF A HIGH SURFACE AREA HYDROGENATION CATALYST.
Claim 2
Dependent Claim
87 words
THE PROCESS FOR THE SELECTIVE HYDROGENATION OF A C3-C24 HYDROCARBON MORE UNSATURATED THAN A MONOOLEFIN TO AN OLEFINIC C3-C24 HYDROCARBON MORE SATURATED THAN THE STARTING MATERIAL WHICH COMPRISES REACTING THE MORE UNSATURATED HYDROCARBON WITH AT LEAST THE STOICHIOMETRIC AMOUNT OF A HYDROGEN SOURCE SELECTED FROM THE GROUP CONSISTING OF C3-C12 SATURATED ALIPHATIC MONOHYDRIC ALCOHOLS, C3-C12 SATURATED CYCLIC MONOHYDRIC ALCOHOLS, AND MIXTURES OF EACH OF THESE MATERIALS WITH GASEOUS HYDROGEN TO OBTAIN HYDROGENATION TO THE DESIRED OLEFINIC MATERIAL IN THE PRESENCE OF A HIGH SURFACE AREA HYDROGENATION CATALYST.
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) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |