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US2418077A
Expired / Lapsed
US
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1, 2-disubstituted-4, 5-dihydroimidazoles
Assignee: Monsanto Chemicals Ltd
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Filing: 1943-08-13
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Granted: 1947-03-25
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Expires: 1963-08-13
Abstract
No abstract record available.
Inventors
- 👤 Lucas P Kyrides
- 👤 Ferdinand B Zienty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:28
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/04; C07D233/06; C07D233/08; C07D233/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2154922A
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US2200815A
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US2004864A
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US2199780A
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US2155877A
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US2211001A
Cited
GB501727A
Cited
US2267965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-24 | 1950-09-23 | 1951-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-24 | 1954-09-23 | 1955-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-24 | 1958-09-23 | 1959-03-25 | $7700.00 | Window Closed / Lapsed |