Patent US3933860A successfully refreshed from Google Patents.
US3933860A
Expired / Lapsed
US
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3-(N-acyl-N-arylamino) lactones
Assignee: Chevron USA Inc
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Filing: 1975-02-10
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Granted: 1976-01-20
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Expires: 1995-02-10
Abstract
Abstract 3-(N-acyl-N-arylamino)-γ-lactones, δ-lactones, γ-lactams and δ-lactams have fungicidal activity.
Inventors
- 👤 David Cheong King Chan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:24
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/18; C07D207/22; C07D207/24; C07D207/26; C07D207/273; C07D307/00; C07D307/02; C07D307/26; C07D307/30; C07D307/32; C07D307/33
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
133 words
A compound of the formula ##EQU6## wherein Ar is phenyl or phenyl substituted with 1 to 3 of the same or different substituents selected from fluoro, chloro, bromo, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms or nitro; R 1 is alkyl of 1 to 6 carbon atoms, haloalkyl of 1 to 3 carbon atoms and 1 to 5 of the same or different halogen selected from fluoro, chloro or bromo, phenyl, or phenyl substituted with 1 to 3 of the same or different substituents selected from fluoro, chloro, bromo, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms or nitro; R 2 is hydrogen or alkyl of 1 to 6 carbon atoms; Y is 0 and n is 1 or 2.
Claim 2
Dependent Claim
133 words
A compound of the formula ##EQU6## wherein Ar is phenyl or phenyl substituted with 1 to 3 of the same or different substituents selected from fluoro, chloro, bromo, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms or nitro; R 1 is alkyl of 1 to 6 carbon atoms, haloalkyl of 1 to 3 carbon atoms and 1 to 5 of the same or different halogen selected from fluoro, chloro or bromo, phenyl, or phenyl substituted with 1 to 3 of the same or different substituents selected from fluoro, chloro, bromo, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms or nitro; R 2 is hydrogen or alkyl of 1 to 6 carbon atoms; Y is 0 and n is 1 or 2.
Claim 3
Dependent Claim
10 words
The compound of claim 1 wherein R 1 is alkyl.
Claim 4
Dependent Claim
24 words
The compound of claim 1 wherein R 1 is haloalkyl of 1 to 3 carbon atoms and of 1 to 2 chloro or bromo.
Claim 5
Dependent Claim
20 words
The compound of claim 1 wherein R 1 is chloromethyl or bromomethyl, Ar is 2,6-dialkyl phenyl and n is 1.
Claim 6
Dependent Claim
36 words
The compound of claim 1 wherein R 1 is phenyl or phenyl substituted with 1 to 2 of the same or different substituents selected from fluoro, chloro, bromo or alkyl of 1 to 6 carbon atoms.
Claim 7
Dependent Claim
21 words
The compound of claim 1 wherein R 1 is ethyl, R 2 is hydrogen, Ar is 3,4-dichlorophenyl and n is 1.
Claim 8
Dependent Claim
21 words
The compound of claim 5 wherein R 1 is 3,4-dichlorophenyl, R 2 is hydrogen, Ar is 2,6-dimethylphenyl, and n is 1.
Claim 9
Dependent Claim
21 words
The compound of claim 4 wherein R 1 is chloromethyl, R 2 is hydrogen, Ar is 2,6-dimethylphenyl and n is 1.
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) | 1979-01-19 | 1979-07-21 | 1980-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-19 | 1983-07-21 | 1984-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-19 | 1987-07-21 | 1988-01-20 | $7700.00 | Window Closed / Lapsed |