Patent US3278262A successfully refreshed from Google Patents.
US3278262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of alpha-olefins, alkanols and alumina
Assignee: ConocoPhillips Co
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Filing: 1960-11-25
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Granted: 1966-10-11
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Expires: 1980-11-25
Abstract
No abstract record available.
Inventors
- 👤 Ronald L Poe
- 👤 Homer L Hackett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:28
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/48; C07C29/50; C07C29/54; C07C2/00; C07C2/86; C07C2/88
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
IN A PROCESS IN WHICH A LOW MOLECULAR WEIGHT ALUMINUM ALKYL IS REACTED WITH A LOW MOLECULAR WEIGHT OLEFIN TO PROVIDE A GROWTH PRODUCT, IN WHICH SAID GROWTH PRODUCT IS REACTED WITH ADDITIONAL LOW MOLECULAR WEIGHT OLEFIN IN THE PRESENCE OF A REDUCING CATALYST WHEREBY OLEFINS ARE DISPLACED FROM THE GROWTH PRODUCT AND IN WHICH SAID DISPLACED OLEFINS ARE SEPARATED FROM LOW MOLECULAR WEIGHT ALUMINUM ALKYL BY FORMING A COMPLEX OF SAID ALUMINUM ALKYL WITH AN ALKALI METAL CYANIDE, SAID COMPLEX FORMING A SEPARATE PHASE FROM SAID OLEFINS, THE IMPROVEMENT WHICH COMPRISES SUBJECTING SAID COMPLEX TO A SECOND GROWTH REACTION IN THE PRESENCE OF LOW MOLECULAR WEIGHT OLEFIN, OXIDIZING SAID GROWTH PRODUCT TO FORM ALKOXY GROWTH PRODUCT, RECOVERING ALKALI METAL CYANIDE RELEASED IN TH OXIDATION FROM THE ALKOXY GROWTH PRODUCT AND RECYCLING SAID ALKALI METAL CYANIDE TO THE COMPLEXING REACTION HEREINBEFORE DESCRIBED, THEREAFTER HYDROLYZING SAID GROWTH PRODUCT AND RECOVERING ALCOHOLS AND ALUMINA FROM THE HYDROLYSIS PRODUCT.
Claim 2
Dependent Claim
156 words
IN A PROCESS IN WHICH A LOW MOLECULAR WEIGHT ALUMINUM ALKYL IS REACTED WITH A LOW MOLECULAR WEIGHT OLEFIN TO PROVIDE A GROWTH PRODUCT, IN WHICH SAID GROWTH PRODUCT IS REACTED WITH ADDITIONAL LOW MOLECULAR WEIGHT OLEFIN IN THE PRESENCE OF A REDUCING CATALYST WHEREBY OLEFINS ARE DISPLACED FROM THE GROWTH PRODUCT AND IN WHICH SAID DISPLACED OLEFINS ARE SEPARATED FROM LOW MOLECULAR WEIGHT ALUMINUM ALKYL BY FORMING A COMPLEX OF SAID ALUMINUM ALKYL WITH AN ALKALI METAL CYANIDE, SAID COMPLEX FORMING A SEPARATE PHASE FROM SAID OLEFINS, THE IMPROVEMENT WHICH COMPRISES SUBJECTING SAID COMPLEX TO A SECOND GROWTH REACTION IN THE PRESENCE OF LOW MOLECULAR WEIGHT OLEFIN, OXIDIZING SAID GROWTH PRODUCT TO FORM ALKOXY GROWTH PRODUCT, RECOVERING ALKALI METAL CYANIDE RELEASED IN TH OXIDATION FROM THE ALKOXY GROWTH PRODUCT AND RECYCLING SAID ALKALI METAL CYANIDE TO THE COMPLEXING REACTION HEREINBEFORE DESCRIBED, THEREAFTER HYDROLYZING SAID GROWTH PRODUCT AND RECOVERING ALCOHOLS AND ALUMINA FROM THE HYDROLYSIS PRODUCT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |