Patent US2951798A successfully refreshed from Google Patents.
US2951798A
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Photoxidation processes utilizing aromatic porphyrin catalysts
Assignee: Monsanto Chemicals Ltd
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Filing: 1957-11-13
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Granted: 1960-09-06
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Expires: 1977-11-13
Abstract
No abstract record available.
Inventors
- 👤 Dexter B Sharp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:54
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/58; C07D; C07D301/00; C07D301/02; C07D301/03; C07D301/12; Y; Y10; Y10S; Y10S204/00; Y10S204/902; Y10S204/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PROCESS FOR INTRODUCING OXYGEN INTO AN ORGANIC COMPOUND WHICH COMPRISES SIMULTANEOUSLY SUBJECTING AN ORGANIC COMPOUND CAPABLE OF ADDING OXYGEN UNDER THE INFLUENCE OF LIGHT AND A PHOTOSENSITIZING CATALYST TO LIGHT IRRADIATION AND CONTACT WITH OXYGEN AND AN OCTAPHENYLPORPHYRIN, THEREBY INTRODUCING OXYGEN INTO THE MOLECULE OF THE SAID ORGANIC COMPOUND WITHOUT DESTRUCTION THEREOF, THE SAID OCTAPHENYLPORPHYRIN BEING AS REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
62 words
A PROCESS FOR INTRODUCING OXYGEN INTO AN ORGANIC COMPOUND WHICH COMPRISES SIMULTANEOUSLY SUBJECTING AN ORGANIC COMPOUND CAPABLE OF ADDING OXYGEN UNDER THE INFLUENCE OF LIGHT AND A PHOTOSENSITIZING CATALYST TO LIGHT IRRADIATION AND CONTACT WITH OXYGEN AND AN OCTAPHENYLPORPHYRIN, THEREBY INTRODUCING OXYGEN INTO THE MOLECULE OF THE SAID ORGANIC COMPOUND WITHOUT DESTRUCTION THEREOF, THE SAID OCTAPHENYLPORPHYRIN BEING AS REPRESENTED BY THE FORMULA:
References Cited (Backward Citations)
US2165130A
Cited
US2732337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |