US3692652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosynthesis of ketones from organo-mercury compounds and carbon monoxide
Assignee: Massachusetts Institute of Technology
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Filing: 1970-10-19
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Granted: 1972-09-19
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Expires: 1990-10-19
Abstract
Abstract DIARYLMERCURY COMPOUNDS IN THF SOLUTIONS REACT WITH CARBON MONOXIDE IN THE PRESENCE OF DICOBALT OCTACARBONYL AND ULTRAVIOLET LIGHT TO PRODUCE DIARYL KETONES.
Inventors
- 👤 Dietmar Seyferth
- 👤 Ralph J Spohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 22:49
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/49
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) | 1975-09-19 | 1976-03-20 | 1976-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-19 | 1980-03-20 | 1980-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-19 | 1984-03-20 | 1984-09-19 | $7700.00 | Window Closed / Lapsed |