Patent US3574737A successfully refreshed from Google Patents.
US3574737A
Expired / Lapsed
US
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Iminocarbamic acid ester derivatives
Assignee: Bayer AG
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Filing: 1964-11-27
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Granted: 1971-04-13
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Expires: 1984-11-27
Abstract
Abstract IMINOCARBONIC AND IMINOCARBAMIC ACID ESTERS OF THE FORMULA R-(O-C(=NH)-N(-R'')-X)N WHERE R AND R1 ARE ORGANO RADICALS, X IS HYDROXYL, AMINO, SUBSTITUTED AMINO OR -N(-R3)-CO-NH-R2 WHERE R2 AND R3 ARE ORGANO RADICALS, AND N IS AN INTEGER OF 1 TO 6, WHICH ESTERS ARE USEFUL AS HERBICIDES AND FUNGICIDES.
Inventors
- 👤 Ernst Grigat
- 👤 Rolf Putter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:58
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/22; C07D295/28; C07D295/32; C07C; C07C275/00; C07C275/70; C07D215/00; C07D215/02; C07D215/16; C07D215/20; C07D215/24; C07D215/26; C07D215/32
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) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-12 | 1978-10-12 | 1979-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-12 | 1982-10-12 | 1983-04-13 | $7700.00 | Window Closed / Lapsed |