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US4088767A Expired / Lapsed US ⏱️ 0.0 years remaining

4-Dichlorophenylurazole compounds and use in agricultural fungicidal compositions

Assignee: Mitsubishi Chemical Corp
•
Filing: 1975-12-04
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Granted: 1978-05-09
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Expires: 1995-12-04
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Abstract

Abstract There is disclosed a fungicide comprising as active ingredient a 1,2-substituted-4-(3',5'-dichlorophenyl) urazole derivative suitable for preventing various diseases of plants including fruit trees, vegetables, rice plants and beans.

Inventors

  • 👤 Taichiro Shigematsu
  • 👤 Tetsuya Shibahara
  • 👤 Makoto Nakazawa
  • 👤 Masayuki Tomida
  • 👤 Toshio Munakata

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 07:49
CPC Classifications
C; C07; C07D; C07D237/00; C07D237/02; C07D237/04; C07D249/00; C07D249/02; C07D249/08; C07D249/10; C07D249/12

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 72 words
A compound represented by the formula ##STR46## wherein each of X and Y represents oxygen or sulfur; R 1 and R 2 may be the same or different and represent alkyl having 1 to 4 carbon atoms; allyl; phenyl which may have a substituent selected from the group consisting of halogen or methyl; alkylcarbonyl having 2 to 4 carbon atoms; alkylcarbamoyl having 2 to 4 carbon atoms; ethoxycarbonyl; methylthiocarbamoyl; and (ethylthio) thiocarbamoyl.
Claim 2
Dependent Claim 72 words
A compound represented by the formula ##STR46## wherein each of X and Y represents oxygen or sulfur; R 1 and R 2 may be the same or different and represent alkyl having 1 to 4 carbon atoms; allyl; phenyl which may have a substituent selected from the group consisting of halogen or methyl; alkylcarbonyl having 2 to 4 carbon atoms; alkylcarbamoyl having 2 to 4 carbon atoms; ethoxycarbonyl; methylthiocarbamoyl; and (ethylthio) thiocarbamoyl.
Claim 3
Dependent Claim 35 words
A compound represented by the formula ##STR47## wherein X is oxygen, Y is oxygen or sulfur, R 1 is methyl, and R 2 is selected from the group consisting of methyl, ethyl, phenyl or acetyl.
Claim 4
Dependent Claim 35 words
A compound represented by the formula ##STR47## wherein X is oxygen, Y is oxygen or sulfur, R 1 is methyl, and R 2 is selected from the group consisting of methyl, ethyl, phenyl or acetyl.
Claim 5
Dependent Claim 5 words
The compound of 1,2-dimethyl-4-(3',5'-dichlorophenyl) urazole.
Claim 6
Dependent Claim 5 words
The compound of 1,2-dimethyl-4-(3',5'-dichlorophenyl) urazole.
Claim 7
Dependent Claim 5 words
The compound of 1-methyl-2-phenyl-4-(3',5'-dichlorophenyl) urazole.
Claim 8
Dependent Claim 5 words
The compound of 1-methyl-2-phenyl-4-(3',5'-dichlorophenyl) urazole.
Claim 9
Dependent Claim 81 words
A composition which comprises a fungicidal amount of the compound represented by the formula ##STR48## wherein X and Y represent oxygen or sulfur, R 1 and R 2 may be the same or different and represent alkyl having 1 to 4 carbon atoms; allyl; phenyl which may have a substituent selected from the group consisting of halogen or methyl; alkylcarbonyl having 2 to 4 carbon atoms, alkylcarbamoyl having 2 to 4 carbon atoms, ethoxycarbonyl, methylthiocarbamoyl, or (ethylthio) thiocarbamoyl, and an adjuvant.
Claim 10
Dependent Claim 81 words
A composition which comprises a fungicidal amount of the compound represented by the formula ##STR48## wherein X and Y represent oxygen or sulfur, R 1 and R 2 may be the same or different and represent alkyl having 1 to 4 carbon atoms; allyl; phenyl which may have a substituent selected from the group consisting of halogen or methyl; alkylcarbonyl having 2 to 4 carbon atoms, alkylcarbamoyl having 2 to 4 carbon atoms, ethoxycarbonyl, methylthiocarbamoyl, or (ethylthio) thiocarbamoyl, and an adjuvant.
Claim 11
Dependent Claim 29 words
The composition according to claim 5 wherein X represents oxygen, Y represents oxygen or sulfur and R 1 represents methyl and R 2 represents methyl, ethyl, phenyl or acetyl.
Claim 12
Dependent Claim 21 words
A method of killing fungi which comprises applying to said fungi an effective amount of a compound according to claim 1.
Claim 13
Dependent Claim 30 words
A method of killing fungi according to claim 7 wherein X represents oxygen, Y represents oxygen or sulfur, R 1 represents methyl and R 2 represents methyl, ethyl, or acetyl.
Claim 14
Dependent Claim 12 words
The method according to claim 7 wherein said compound is 1,2-dimethyl-4-(3',5'-dichlorophenyl) urazole.
Claim 15
Dependent Claim 12 words
The method according to claim 7 wherein said compound is 1-methyl-2-phenyl-4-(3',5'-dichlorophenyl) urazole.

References Cited (Backward Citations)

US3663564A Cited
US3184470A Cited
US3912735A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-05-08 1981-11-07 1982-05-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-05-08 1985-11-07 1986-05-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-05-08 1989-11-07 1990-05-09 $7700.00 Window Closed / Lapsed

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