Patent US2016436A successfully refreshed from Google Patents.
Patent US2436698A successfully refreshed from Google Patents.
US2436698A
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Process for separating olefins from hydrocarbon mixtures
Assignee: ExxonMobil Oil Corp
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Filing: 1945-04-16
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Granted: 1948-02-24
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Expires: 1965-04-16
Abstract
No abstract record available.
Inventors
- 👤 Alex G Oblad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:59
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/148; C07C7/14875; C07C7/14883
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1953702A
Cited
GB456637A
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US2242960A
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US2222632A
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US2295608A
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US2360358A
Cited
US2370810A
Cited
US2382505A
Cited
US2381175A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-23 | 1951-08-25 | 1952-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-23 | 1955-08-25 | 1956-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-23 | 1959-08-25 | 1960-02-24 | $7700.00 | Window Closed / Lapsed |