US3271297A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recycle of monoolefines to a hydrocarbon pyrolysis process
Assignee: Bayer AG
•
Filing: 1961-12-11
•
Granted: 1966-09-06
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Expires: 1981-12-11
Abstract
No abstract record available.
Inventors
- 👤 Kronig Walter
- 👤 Muller Hans-Joachim
- 👤 Vopel Karl-Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:07
CPC Classifications
C; C10; C10G; C10G69/00; C10G69/02; C10G69/06; C10G2400/00; C10G2400/02; C10G2400/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN A PROCESS FOR THE PYROLYSIS OF LIQUID HYDROCARBONS WHEREIN A FEED STOCK IS SUBJECTED TO PYROLYSIS TO PRODUCE A CRACKED GASOLINE CONTAINING MONOOLEFINS AND DIOLEFINS AND AROMATIC COMPOUNDS, THE IMPROVEMENT WHICH COMPRISES SUBJECTING THE CRACKED GASOLINE TO A HYDROGENATION TREATMENT TO CONVERT DIOLEFINS OF THE CRACKED GASOLINE TO MONOOLEFINS WITHOUT SUBSTANTIAL HYDROGENATION OF MONOOLEFINS, SEPARATING MONOOLEFINS FROM THE PRODUCT OF HYDROGENATION TO PROVIDE TO A MOOLEFIN FRACTION AND AN AROMATIC FRACTION, AND INTRODUCING SAID MONOOLEFIN FRACTION INTO THE PYROLYSIS.
Claim 2
Dependent Claim
80 words
IN A PROCESS FOR THE PYROLYSIS OF LIQUID HYDROCARBONS WHEREIN A FEED STOCK IS SUBJECTED TO PYROLYSIS TO PRODUCE A CRACKED GASOLINE CONTAINING MONOOLEFINS AND DIOLEFINS AND AROMATIC COMPOUNDS, THE IMPROVEMENT WHICH COMPRISES SUBJECTING THE CRACKED GASOLINE TO A HYDROGENATION TREATMENT TO CONVERT DIOLEFINS OF THE CRACKED GASOLINE TO MONOOLEFINS WITHOUT SUBSTANTIAL HYDROGENATION OF MONOOLEFINS, SEPARATING MONOOLEFINS FROM THE PRODUCT OF HYDROGENATION TO PROVIDE TO A MOOLEFIN FRACTION AND AN AROMATIC FRACTION, AND INTRODUCING SAID MONOOLEFIN FRACTION INTO THE PYROLYSIS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |