US2889385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of long chain olefins from aluminum trialkyl and ethylene
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1956-04-10
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Granted: 1959-06-02
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Expires: 1976-04-10
Abstract
No abstract record available.
Inventors
- 👤 William E Catterall
- 👤 Donald W Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:39
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/86; C07C2/88; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A PROCESS FOR PRODUCING STRAIGHT CHAIN ALPHA OLEFINS HAVING 10 TO 14 CARBON ATOMS WHICH COMPRISES RE ACTING ETHENE WITH ALUMINUM TRIBUTYL UNDER ELEVATED TEMPERATURES AND PRESSURES TO FORM A MIXTURE OF HIGHER MOLECULAR WEIGHT ALUMINUM TRIALKYLS, SAID MIXTURE CONTAINING C10-C14 ALKYL RADICALS SEPARATING UNREACTED GASES FROM THE MIXTURE, REACTING SAID MIXTURE CONTAINING C10-C14 ALKYL RADICALS WITH BUTENE UNDER ELEVATED TEMPERATURES AND PRESSURES IN THE PRESENCE OF A CATALYST WHEREBY THE BUTENE DISPLACES THE C10-C14 ALKYL RADICALS OF SAID ALUMINUM TRIALKYLS TO FORM A MIXTURE OF ALUMINUM
Claim 2
Dependent Claim
87 words
A PROCESS FOR PRODUCING STRAIGHT CHAIN ALPHA OLEFINS HAVING 10 TO 14 CARBON ATOMS WHICH COMPRISES RE ACTING ETHENE WITH ALUMINUM TRIBUTYL UNDER ELEVATED TEMPERATURES AND PRESSURES TO FORM A MIXTURE OF HIGHER MOLECULAR WEIGHT ALUMINUM TRIALKYLS, SAID MIXTURE CONTAINING C10-C14 ALKYL RADICALS SEPARATING UNREACTED GASES FROM THE MIXTURE, REACTING SAID MIXTURE CONTAINING C10-C14 ALKYL RADICALS WITH BUTENE UNDER ELEVATED TEMPERATURES AND PRESSURES IN THE PRESENCE OF A CATALYST WHEREBY THE BUTENE DISPLACES THE C10-C14 ALKYL RADICALS OF SAID ALUMINUM TRIALKYLS TO FORM A MIXTURE OF ALUMINUM
References Cited (Backward Citations)
US2695327A
Cited
US2699457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |