US2921103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of terminal bond olefins from non-terminal bond olefins
Assignee: Phillips Petroleum Co
•
Filing: 1957-07-29
•
Granted: 1960-01-12
•
Expires: 1977-07-29
Abstract
No abstract record available.
Inventors
- 👤 Emory W Pitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:04
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/23; C07C5/25; C07C5/2506; C07C5/2512
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS FOR ISOMERIZING A NON-TERMINAL BOND OLEFIN TO A TERMINAL BOND OLEFIN WHICH COMPRISES CONTACTING A STREAM OF NON-TERMINAL BOND OLEFIN OF 4 TO 6 CARBON ATOMS IN THE LONGEST STRAIGHT CHAIN WITH A CATALYST CONSISTING ESSENTIALLY OF CHROMIC OXIDE ASSOCIATED WITH ALUMINA AT A TEMPERATURE IN THE RANGE 950*F. TO 1300*F. AND IN THE PRESENCE OF FROM 1 TO 30 MOLS OF STEAM PER MOL OF SAID NON-TERMINAL BOND OLEFIN.
Claim 2
Dependent Claim
72 words
A PROCESS FOR ISOMERIZING A NON-TERMINAL BOND OLEFIN TO A TERMINAL BOND OLEFIN WHICH COMPRISES CONTACTING A STREAM OF NON-TERMINAL BOND OLEFIN OF 4 TO 6 CARBON ATOMS IN THE LONGEST STRAIGHT CHAIN WITH A CATALYST CONSISTING ESSENTIALLY OF CHROMIC OXIDE ASSOCIATED WITH ALUMINA AT A TEMPERATURE IN THE RANGE 950*F. TO 1300*F. AND IN THE PRESENCE OF FROM 1 TO 30 MOLS OF STEAM PER MOL OF SAID NON-TERMINAL BOND OLEFIN.
References Cited (Backward Citations)
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US2342248A
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US2403671A
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US2353552A
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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) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |