US3660421A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-carbamoyl-2-carbalkoxyamino-benzimidazoles
Assignee: BASF SE
•
Filing: 1969-11-25
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Granted: 1972-05-02
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Expires: 1989-11-25
Abstract
Abstract WHERE R DENOTES HALOGEN, NITRO OR ALKYL, R1 DENOTES AN ALIPHATIC RADICAL, N DENOTES ONE OF THE INTEGERS 0,1 AND 2, R2 DEOTES A CARBAMIC ACID RADICAL OR AN ESTER RADICAL OR THE RADICAL OF AN ACID AMIDE AND A PROCESS FOR CONTROLLING FUNGI AND PROTECTING OBJECTS AGAINST FUNGUS ATTACK WITH THESE COMPOUNDS. 1-R2,2-(R1-COO-NH-),(R)N-BENZIMIDAZOLE NEW AND VALUABLE SUBSTITUTED BENZIMIDAZOLES HAVING THE FORMULA
Inventors
- 👤 Hans Osieka
- 👤 Karl-Heinz Koenig
- 👤 Ernst-Heinrich Pommer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:38
CPC Classifications
C; C07; C07D; C07D235/00; C07D235/02; C07D235/04; C07D235/24; C07D235/30; C07D235/32
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) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |