C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/547.1, 260/6
C07C 93/14 (1985.01) C07C 119/048 (1985.01) C07C 127/19 (1985.01)
Patent
CA 1236112
ABSTRACT OF THE DISCLOSURE Novel N-aroyl N'-phenyl ureas having halogen or alkyl substituents in the 3- and 5-positions and halo- alkyl, haloalkoxy or haloalkylthio in the 4-position of the N'-phenyl are more active and have a broader spec- trum of effectiveness than the known benzoylurea insecticides. 29,426-F (Div. A)
487059
Rigterink Raymond H.
Sbragia Ronald J.
Smart & Biggar
The Dow Chemical Company
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