US3821247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-(substituted phenyl)-2,3-dichloromaleimides
Assignee: Novartis Corp
•
Filing: 1972-03-17
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Granted: 1974-06-28
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Expires: 1992-03-17
Abstract
Abstract Compounds of the formula WHEREIN R1 represents halogenomethyl or the group R3S(O)x-, R2 represents hydrogen or halogen, R3 represents C1-C4 alkyl, X is 0, 1 or 2, or R1 and R2 represent halogenomethyl, with the proviso that, if R1 is trifluoromethyl and at the same time R2 represents hydrogen, R1 is in the 3- or 4-position, their manufacture and agents for combating phytopathogenic fungi containing them are disclosed.
Inventors
- 👤 E Sturm
- 👤 R Menasse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:37
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/44; C07D207/444; C07D207/456; A; A01; A01N; A01N43/00; A01N43/34; A01N43/36
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
The compound of the formula
Claim 2
Dependent Claim
5 words
The compound of the formula
Claim 3
Dependent Claim
5 words
The compound of the formula
Claim 4
Dependent Claim
5 words
The compound of the formula
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) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-27 | 1981-12-27 | 1982-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-27 | 1985-12-27 | 1986-06-28 | $7700.00 | Window Closed / Lapsed |