Patent FR1329733A successfully refreshed from Google Patents.
US3523110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Purification of 1-olefin recycle to polymerization
Assignee: Mobil Oil AS
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Filing: 1967-12-04
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Granted: 1970-08-04
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Expires: 1987-12-04
Abstract
No abstract record available.
Inventors
- 👤 Raymond Eichenbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:18
CPC Classifications
C; C08; C08F; C08F10/00; C08F10/14; C07; C07C; C07C7/00; C07C7/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3153027A
Cited
US3324090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |