US2987535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of aluminum trialkyls
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1958-05-20
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Granted: 1961-06-06
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Expires: 1978-05-20
Abstract
No abstract record available.
Inventors
- 👤 Stanley B Mirviss
- 👤 Elroy J Inchalik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:20
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/061; C07F5/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A PROCESS FOR PRODUCING ALUMINUM TRIALKYLS WHICH COMPRISES REACTING AN ALPHA OLEFIN WITH ALUMINUM DIISOBUTYL HYDRIDE AT A MOLE RATIO OF AT LEAST 3 TO 1 AT A TEMPERATURE OF 50-200*C. AND A PRESSURE OF 0-3000 P.S.I.G. WHEREBY ONE MOLE OF SAID OLEFIN ADDS ON TO SAID ALUMINUM DIISOBUTYL HYDRIDE AND TWO MOLES OF SAID OLEFIN ALUMISTITUTE FOR THE TWO DIISOBUTYL RADICALS AND THE ALKYL RADICALS OF THE ALUMINUM TRIALKYL PRODUCT PRODUCED CORRESPOND IN CHAIN LENGTH TO THE OLEFIN REACTANT.
Claim 2
Dependent Claim
80 words
A PROCESS FOR PRODUCING ALUMINUM TRIALKYLS WHICH COMPRISES REACTING AN ALPHA OLEFIN WITH ALUMINUM DIISOBUTYL HYDRIDE AT A MOLE RATIO OF AT LEAST 3 TO 1 AT A TEMPERATURE OF 50-200*C. AND A PRESSURE OF 0-3000 P.S.I.G. WHEREBY ONE MOLE OF SAID OLEFIN ADDS ON TO SAID ALUMINUM DIISOBUTYL HYDRIDE AND TWO MOLES OF SAID OLEFIN ALUMISTITUTE FOR THE TWO DIISOBUTYL RADICALS AND THE ALKYL RADICALS OF THE ALUMINUM TRIALKYL PRODUCT PRODUCED CORRESPOND IN CHAIN LENGTH TO THE OLEFIN REACTANT.
References Cited (Backward Citations)
US2826598A
Cited
US2835689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |