Patent US3277203A successfully refreshed from Google Patents.
US3277203A
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Process for reaction of aluminum alkyls to form olefins
Assignee: ConocoPhillips Co
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Filing: 1961-04-28
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Granted: 1966-10-04
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Expires: 1981-04-28
Abstract
No abstract record available.
Inventors
- 👤 Michael B Keehan
- 👤 Jerry A Acciarri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:49
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/86; C07C2/88; Y; Y10; Y10S; Y10S585/00; Y10S585/949; Y10S585/952
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN A NONCATALYTIC PROCESS FOR THE PREPARATION OF OLEFINS IN WHICH ALUMINUM ALKYL IS REACTED WITH LOW MOLECULAR WEIGHT ALPHA-OLEFIN TO DISPLACE OLEFIN FROM SAID ALUMINUM ALKYL UNDER CONDITIONS, INCLUDING ELEVATED TEMPERATURE AT WHICH SAID ALUMINUM ALKYL DECOMPOSES TO ELEMENTAL ALUMINUM, THE IMPROVEMENT WHICH COMPRISES CARRYING OUT SAID REACTION FOR A RESIDENCE TIME BETWEEN ABOUT 0.5 AND ABOUT 1.1 SECONDS IN THE PRESENCE OF A HYDROCARBON DILUENT WHICH REMAINS IN THE LIQUID STATE UNDER THE DISPLACEMENT REACTION CONDITIONS INCLUDING TEMPERATURE IN THE RANGE OF ABOUT 500 TO ABOUT 600*F., THE AMOUNT OF SAID DILUENT BEING SUFFICIENT TO PREVENT DECOMPOSITION OF SAID ALUMINUM ALKYL.
Claim 2
Dependent Claim
103 words
IN A NONCATALYTIC PROCESS FOR THE PREPARATION OF OLEFINS IN WHICH ALUMINUM ALKYL IS REACTED WITH LOW MOLECULAR WEIGHT ALPHA-OLEFIN TO DISPLACE OLEFIN FROM SAID ALUMINUM ALKYL UNDER CONDITIONS, INCLUDING ELEVATED TEMPERATURE AT WHICH SAID ALUMINUM ALKYL DECOMPOSES TO ELEMENTAL ALUMINUM, THE IMPROVEMENT WHICH COMPRISES CARRYING OUT SAID REACTION FOR A RESIDENCE TIME BETWEEN ABOUT 0.5 AND ABOUT 1.1 SECONDS IN THE PRESENCE OF A HYDROCARBON DILUENT WHICH REMAINS IN THE LIQUID STATE UNDER THE DISPLACEMENT REACTION CONDITIONS INCLUDING TEMPERATURE IN THE RANGE OF ABOUT 500 TO ABOUT 600*F., THE AMOUNT OF SAID DILUENT BEING SUFFICIENT TO PREVENT DECOMPOSITION OF SAID ALUMINUM ALKYL.
References Cited (Backward Citations)
US2781410A
Cited
US2889385A
Cited
US2906794A
Cited
US2928815A
Cited
US2927103A
Cited
US3013043A
Cited
US3035104A
Cited
US3038922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |