US3084206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of hexenes
Assignee: BP PLC
•
Filing: 1961-03-15
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Granted: 1963-04-02
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Expires: 1981-03-15
Abstract
No abstract record available.
Inventors
- 👤 Yeo Alan Arthur
- 👤 Hambling James Keith
- 👤 Alderson Geoffrey Winton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:12
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2521/00; C07C2521/18; C07C2523/00; C07C2523/02; C07C2523/04; C07C2527/00; C07C2527/20; C07C2527/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A PROCESS FOR THE PRODUCTION OF 4-METHYLPENTENE-1 COMPRISING: CONTACTING PROPYLENE FOR BETWEEN ABOUT FIVE AND ABOUT SIXTY MINUTES WITH A CATALYST COMPRISING A LAMELLAR COMPLEX OF SODIUM AND GRAPHITE AND HAVING THE FORMULA NAC64, AT A TEMPERATURE OF BELOW ABOUT 140* C.
Claim 2
Dependent Claim
42 words
A PROCESS FOR THE PRODUCTION OF 4-METHYLPENTENE-1 COMPRISING: CONTACTING PROPYLENE FOR BETWEEN ABOUT FIVE AND ABOUT SIXTY MINUTES WITH A CATALYST COMPRISING A LAMELLAR COMPLEX OF SODIUM AND GRAPHITE AND HAVING THE FORMULA NAC64, AT A TEMPERATURE OF BELOW ABOUT 140* C.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |