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US2983729A
Expired / Lapsed
US
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Preparation of 5-halothienyl amines
Assignee: Monsanto Chemicals Ltd
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Filing: 1958-04-30
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Granted: 1961-05-09
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Expires: 1978-04-30
Abstract
No abstract record available.
Inventors
- 👤 Ferdinand C Meyer
- 👤 Jr Henry C Godt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 23:02
CPC Classifications
C; C07; C07D; C07D333/00; C07D333/02; C07D333/04; C07D333/26; C07D333/28; C07D333/30; C07D333/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
IN THE METHOD OF PREPARING A 5-HALO-2-THIENYL AMINE OF THE FORMULA
Claim 2
Dependent Claim
11 words
IN THE METHOD OF PREPARING A 5-HALO-2-THIENYL AMINE OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |