Patent US4200251A successfully refreshed from Google Patents.
US3274286A
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Process for the removal of acetylenic hydrocarbons from hydrocarbon mixtures containing diolefines
Assignee: Huels AG
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Filing: 1964-01-23
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Granted: 1966-09-20
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Expires: 1984-01-23
Abstract
No abstract record available.
Inventors
- 👤 Reich Manfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:49
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/887; B01J23/8878; B01J23/86; B01J23/868; B01J23/89; B01J23/8933; B01J23/90; C; C07; C07C; C07C7/00; C07C7/148; C07C7/163; C07C7/167; G; G04; G04B; G04B17/00; G04B17/02; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
11 words
A MIXER CATALYST COMPOSITION CONSISTING ESSENTIALLY WEIGHT OF THE MIXTURE CATALYST.
Claim 2
Dependent Claim
11 words
A MIXER CATALYST COMPOSITION CONSISTING ESSENTIALLY WEIGHT OF THE MIXTURE CATALYST.
Claim 3
Dependent Claim
87 words
A PROCESS FOR THE REDUCTION OF THE ACETYLENIC HYDROCARBON CONTENT OF A HYDROCARBON MIXTURE CONTAINING IT AND A DIOLEFINE BY SELECTIVE HYDROGENATION IN THE GAS PHASE WHICH COMPRISES PASSING THE HYDROCARBON MIXTURE IN THE FORM OF GAS AND A QUANTITY OF HYDROGEN WHICH IS AT LEAST MOLECULARLY EQUIVALENT TO SAID ACETYLENIC HYDROCARBON CONTENT AT A TEMPERATURE WITHIN THE RANGE FROM 30* TO 250* AND AT A PRESSURE WITHIN THE RANGE FROM 0.2 TO 30 ATMOSPHERES OVER AND IN CONTACT WITH THE CATALYST COMPOSITION DEFINED IN CLAIM 1.
References Cited (Backward Citations)
US3200167A
Cited
US3179488A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |