1
Malcolm Scott Singer: N-alkyl or alkoxy-N-substituted hydrocarbyl urea. Chevron Research Company, J A Buchanan Jr, T G DeJonghe, Raymond Owyang, September 5, 1978: US04111683 (31 worldwide citation)

Compounds of the formula ##STR1## wherein R is aliphatic hydrocarbyl, alicyclic hydrocarbyl or aryl suitably substituted, if desired, or a heterocyclic group, R.sup.1 is hydrogen or alkyl, R.sup.2 is alkyl or alkoxy, R.sup.3 is ##STR2## wherein a is 0 or 1, R.sup.4 is hydrogen or CW'.sub.3, the W' b ...


2
Malcolm Scott Singer: Herbicidal substituted-haloethyl urea. Chevron Research Company, George F Magdeburger, Dix A Newell, Raymond Owyang, February 8, 1977: US04007033 (1 worldwide citation)

Herbicidal compounds of the formula ##STR1## wherein R is alkyl, cycloalkyl or phenyl substituted with up to 2 fluorine, chlorine, bromine, trifluoromethyl, nitro, lower alkoxy, lower alkyl or phenoxy, phenylthio or phenylsulfonyl substituted with up to 2 fluorine or chlorine atoms; R.sup.1 is hydro ...


3
Malcolm Scott Singer: Herbicidal 1-alkanoyloxy-haloethyl urea. Chevron Research Company, G F Magdeburger, Dix A Newell, Raymond Owyang, March 15, 1977: US04012225

Herbicidal compounds of the formula ##STR1## wherein R is alkyl, cycloalkyl or phenyl substituted with up to 2 fluorine, chlorine, bromine, trifluoromethyl, nitro, lower alkoxy, lower alkyl, or phenoxy, phenylthio or phenylsulfonyl substituted with up to 2 fluorine or chlorine atoms; R.sup.1 is hydr ...