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Patent US3755350A successfully refreshed from Google Patents.
US3755350A
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US
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Substituted 3-phenyl hydantoins useful as fungicides
Assignee: Rhone Poulenc SA
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Filing: 1971-10-05
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Granted: 1973-08-28
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Expires: 1991-10-05
Abstract
Abstract The hydantoin derivatives of the formula: WHEREIN Ar represents phenyl, or phenyl carrying substituents selected from halogen, alkyl, alkoxy and trifluoromethyl, R1 represents alkoxy or a grouping -NR3R4, in which R3 and R4 represent hydrogen, alkyl or alkenyl, R2 represents hydrogen or alkyl, and X represents oxygen or sulphur, possess fungicidal properties.
Inventors
- 👤 M Sauli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:15
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/54; C07D233/66; C07D233/86; C07D233/72; C07D233/74; C07D233/80
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
43 words
A hydantoin derivative according to claim 1 wherein Ar represents 3,5-dichlorophenyl; R1 represents -NHR4 in which R4 represents alkyl of one to four carbon atoms or alkenyl of two to four carbon atoms; and R2 and X are as defined in claim 1.
Claim 2
Dependent Claim
10 words
The hydantoin derivative according to claim 1 which is 1-propylcarbamoyl-3-(3,5-dichlorophenyl)hydaNtoin.
Claim 3
Dependent Claim
10 words
The hydantoin derivative according to claim 1 which is 1-allylcarbamoyl-3-(3,5-dichlorophenyl)hydantoin.
Claim 4
Dependent Claim
10 words
The hydantoin derivative according to claim 1 which is 1-isopropylcarbamoyl-3-(3,5-dichlorophenyl)hydantoin.
Claim 5
Dependent Claim
10 words
The hydantoin derivative according to claim 1 which is 1-methylcarbamoyl-3-(3,5-dichlorophenyl)hydantoin.
Claim 6
Dependent Claim
10 words
The hydantoin derivative according to claim 1 which is 1-ethylcarbamoyl-3-(3,5-dichlorophenyl)hydantoin.
Claim 7
Dependent Claim
10 words
The hydantoin derivative according to claim 1 which is 1-methylcarbamoyl-3-(3,5-dichlorophenyl)-2-thiohydantoin.
Claim 8
Dependent Claim
10 words
The hydantoin derivative according to claim 1 which is 1-ethylcarbamoyl-3-(3,5-dichlorophenyl)-2-thiohydantoin.
References Cited (Backward Citations)
DE1018261B
Cited
DE1212974B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |