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US3679733A Expired / Lapsed US ⏱️ 0.0 years remaining

N-substituted arylcarbamoyl sulfides

Assignee: Chevron USA Inc
•
Filing: 1970-11-09
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Granted: 1972-07-25
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Expires: 1990-11-09
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Abstract

Abstract Compound of the formula WHEREIN R1 and R4 are individually aryl of six to 14 carbon atoms optionally substituted with alkyl groups, halogen atoms, nitro groups, alkoxy groups, alkylthio groups or dialkylamino groups; R2 and R3 are individually hydrogen or alkyl of one to four carbon atoms. The compounds are insecticides.

Inventors

  • 👤 Melancthon Starr Brown

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 23:55
CPC Classifications
C; C07; C07C; C07C381/00; C07C381/06; C07C381/08

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 20 words
Compound of claim 1 wherein R1 and R4 are the same radical and R2 and R3 are the same radical.
Claim 2
Dependent Claim 128 words
Compound of claim 1 wherein R1 and R4 are individually phenyl substituted with zero to four halogen atoms of atomic number 9 to 35, nitro groups, alkyl groups of one to seven carbon atoms, alkoxy groups of one to five carbon atoms, or alkylthio groups of one to three carbon atoms; or 0 to 1 dialkylamino groups in which the alkyl groups contain individually one to three carbon atoms; or naphthyl substituted with zero to four halogen atoms of atomic number 9 to 35, nitro groups, alkyl groups of one to four carbon atoms, alkoxy groups of one to five carbon atoms, alkylthio groups of one to three carbon atoms; or 0 to 1 dialkylamino groups in which the alkyl groups contain individually one to three carbon atoms.
Claim 3
Dependent Claim 19 words
Compound of claim 3 wherein the alkyl groups substituted on the phenyl moiety contains one to five carbon atoms.
Claim 4
Dependent Claim 17 words
Compound of claim 1 wherein R2 and R3 are individually alkyl of one to four carbon atoms.
Claim 5
Dependent Claim 92 words
Compound of claim 1 wherein R1 and R4 are the same and are phenyl substituted with zero to four halogen atoms of atomic number 9 to 35, nitro groups, alkyl groups of one to seven carbon atoms or alkoxy groups of one to five carbon aToms or naphthyl substituted with zero to four halogen atoms of atomic number 9 to 35, nitro groups, alkyl groups of one to four carbon atoms or alkoxy groups of one to five carbon atoms and R2 and R3 are the same and are methyl or ethyl.
Claim 6
Dependent Claim 47 words
Compound of claim 1 wherein R1 and R4 are the same and are naphthyl, phenyl substituted with 1 to 2 alkyl groups of one to four carbon atoms or alkoxy groups of one to four carbon atoms, and R2 and R3 are the same and are methyl.

References Cited (Backward Citations)

US2533189A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-07-25 1976-01-24 1976-07-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-07-25 1980-01-24 1980-07-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-07-25 1984-01-24 1984-07-25 $7700.00 Window Closed / Lapsed

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