US3330882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disproportionation and dimerization
Assignee: Phillips Petroleum Co
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Filing: 1963-12-09
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Granted: 1967-07-11
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Expires: 1983-12-09
Abstract
No abstract record available.
Inventors
- 👤 Melvin A Albright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:10
CPC Classifications
C; C07; C07C; C07C11/00; C07C11/12; C07C11/16; C07C11/167; C07C11/02; C07C6/00; C07C6/02; C07C6/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
THE PROCESS FOR THE CONVERSION OF AN ACYCLIC FEED OLEFIN HAVING 3-16 CARBON ATOMS PER MOLECULE TO A HEAVIER OLEFIN, COMPRISING THE STEPS OF: CONTACTING SAID FEED OLEFIN WITH AN OLEFIN DISPROPORTIONATION CATALYST IN A DISPOROPORTIONATION ZONE UNDER CONDITIONS TO PRODUCE A DISPORPORTIONATED PRODUCT COMPRISING A LIGHTER OLEFIN AND A HEAVIER OLEFIN; POLYMERIZING SAID LIGHTER OLEFIN IN A SEPARATE POLYMERIZATION ZONE TO PRODUCE ADDITIONAL QUANTITIES OF SAID HEAVIER OLEFIN; AND RECYCLING UNCONVERTED FEED OLEFIN TO SASID DISPROPORTIONATION ZONE TO PRODUCE ADDITIONAL QUANTITIES OF SAID LIGHTER OLEFIN AND SAID HEAVIER OLEFIN.
Claim 2
Dependent Claim
90 words
THE PROCESS FOR THE CONVERSION OF AN ACYCLIC FEED OLEFIN HAVING 3-16 CARBON ATOMS PER MOLECULE TO A HEAVIER OLEFIN, COMPRISING THE STEPS OF: CONTACTING SAID FEED OLEFIN WITH AN OLEFIN DISPROPORTIONATION CATALYST IN A DISPOROPORTIONATION ZONE UNDER CONDITIONS TO PRODUCE A DISPORPORTIONATED PRODUCT COMPRISING A LIGHTER OLEFIN AND A HEAVIER OLEFIN; POLYMERIZING SAID LIGHTER OLEFIN IN A SEPARATE POLYMERIZATION ZONE TO PRODUCE ADDITIONAL QUANTITIES OF SAID HEAVIER OLEFIN; AND RECYCLING UNCONVERTED FEED OLEFIN TO SASID DISPROPORTIONATION ZONE TO PRODUCE ADDITIONAL QUANTITIES OF SAID LIGHTER OLEFIN AND SAID HEAVIER OLEFIN.
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) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |