US3109800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Olefin separation
Assignee: Monsanto Chemicals Ltd
•
Filing: 1960-08-22
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Granted: 1963-11-05
•
Expires: 1980-08-22
Abstract
No abstract record available.
Inventors
- 👤 Dexter B Sharp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:13
CPC Classifications
C; C07; C07C; C07C409/00; C07C409/02; C07C409/04; C07C407/00; C07C407/003; C07C7/00; C07C7/148; C07C7/14808; C07C7/14816; C07C2601/00; C07C2601/12; C07C2601/16; Y; Y10; Y10S; Y10S204/00; Y10S204/902; Y10S204/911; Y10S585/00; Y10S585/909; Y10S585/911; Y10S585/912
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A PROCESS FOR THE PURIFICATION OF TERMINAL ALKENES WHICH COMPRISES SUBJECTING A MIXTURE OF TERMINAL ALKENES WITH OTHER ALKENES TO CONTACT WITH OXYGEN IN THE PRESENCE OF VISIBLE LIGHT OF WAVE LENGTH GREATER THAN THAT OF ULTRAVIOLET LIGHT BUT NO GREATER THAN 8,000 ANGSTROMS AND A PHOTOSENSITIZING CATALYST FOR A TIME SUFFICIENT TO OXIDIZE SUBSTANTIALLY ALL OF THE OTHER ALKENES TO ALLYLIC HDROPEROXIDES AND SEPARATING THE TERMINAL OLEFINS FROM THE SAID ALLYLIC HYDROPEROXIDES.
Claim 2
Dependent Claim
73 words
A PROCESS FOR THE PURIFICATION OF TERMINAL ALKENES WHICH COMPRISES SUBJECTING A MIXTURE OF TERMINAL ALKENES WITH OTHER ALKENES TO CONTACT WITH OXYGEN IN THE PRESENCE OF VISIBLE LIGHT OF WAVE LENGTH GREATER THAN THAT OF ULTRAVIOLET LIGHT BUT NO GREATER THAN 8,000 ANGSTROMS AND A PHOTOSENSITIZING CATALYST FOR A TIME SUFFICIENT TO OXIDIZE SUBSTANTIALLY ALL OF THE OTHER ALKENES TO ALLYLIC HDROPEROXIDES AND SEPARATING THE TERMINAL OLEFINS FROM THE SAID ALLYLIC HYDROPEROXIDES.
References Cited (Backward Citations)
GB614456A
Cited
US2955996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |