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US3933860A Expired / Lapsed US ⏱️ 0.0 years remaining

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
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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)

US2605268A Cited
US2659733A Cited
US3741989A Cited
US3819661A Cited

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

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