US3600453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Olefin classification process
Assignee: Universal Oil Products Co
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Filing: 1969-03-05
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Granted: 1971-08-17
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Expires: 1989-03-05
Abstract
Abstract A STREAM CONTAINING AT LEAST ONE HYDROCARBON ISOMER SELECTED FROM THR ORGANIC COMPOUNDS HAVING DOUBLE BONDS IS CIS AND TRANS GEOMETTRIC CONFIGURATIONS IS CONTACTED WITH A CRYSTALLINE ALUMINOSILICATE ADSORBENT TO EFFECT ADSORPTION OF AT LEAST ONE GEOMETRIC ISOMER BY THE ADSORBENT. A DESORBENT STREAM IS THEN CONTACTED WITH THE CRYSTALLINE ALUMINOSILICATE ADSORBENT TO DISPLACE THE ADSORBED GEOMETRIC ISOMER AND A STREAM COMPRISING DESORBENT AND AT LEAST ONE GEOMETRIC ISOMER IS RECOVERED.
Inventors
- 👤 Paul H Reichenbacher
- 👤 Armand J De Rosset
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:00
CPC Classifications
C; C07; C07C; C07C7/00; C07C7/12; C07C7/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |