US3035104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of alpha olefins
Assignee: Sinclair Research Inc
•
Filing: 1959-12-10
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Granted: 1962-05-15
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Expires: 1979-12-10
Abstract
No abstract record available.
Inventors
- 👤 Ronald G Harvey
- 👤 William D Hoffman
- 👤 Seymour H Patinkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:26
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/86; C07C2/88; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/745; C07C2523/755
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN A PROCESS FOR PREPARING LIQUID OLEFINS THE STEP WHICH COMPRISES CONTACTING A TRIALKYL ALUMINUM-ETHYLENE ADDITION PRODUCT WITH ETHYLENE IN THE PRESENCE OF ABOUT .01 TO 1.0 MOL PERCENT OF FINELY DIVIDED IRON AND ABOUT 0.001 TO 0.01 MOL PERCENT OF FINELY DIVIDED IRON AND ABOUT TEMPERATURE OF ABOUT 40 TO 100*C., FOR A TIME SUFFICIENT TO FORM NORMAL TERMINAL MONOOLEFINS, SAID ADDITION PRODUCT HAVING THE FORMULA
Claim 2
Dependent Claim
67 words
IN A PROCESS FOR PREPARING LIQUID OLEFINS THE STEP WHICH COMPRISES CONTACTING A TRIALKYL ALUMINUM-ETHYLENE ADDITION PRODUCT WITH ETHYLENE IN THE PRESENCE OF ABOUT .01 TO 1.0 MOL PERCENT OF FINELY DIVIDED IRON AND ABOUT 0.001 TO 0.01 MOL PERCENT OF FINELY DIVIDED IRON AND ABOUT TEMPERATURE OF ABOUT 40 TO 100*C., FOR A TIME SUFFICIENT TO FORM NORMAL TERMINAL MONOOLEFINS, SAID ADDITION PRODUCT HAVING THE FORMULA
References Cited (Backward Citations)
US2781410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |