Patent number: 4523034
Abstract: Diphenyl ethers of the formula ##STR1## where Z.sub.1 and Z.sub.2 are each hydrogen, halogen, nitro, cyano, carboxyl, alkyl, haloalkyl or alkoxy, Z.sub.3 is halogen, nitro, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylmercapto, haloalkylmercapto, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl or haloalkylsulfonyl, Y is halogen, cyano or nitro, R.sub.1 is hydrogen, alkyl, cycloalkyl, alkoxy, haloalkyl or alkoxyalkyl, R.sub.2 is hydrogen, alkyl, acyl or an alkali metal atom and R.sub.3 is hydrogen, alkyl or an alkali metal atom, and herbicides containing these compounds.
Type:
Grant
Filed:
March 10, 1982
Date of Patent:
June 11, 1985
Assignee:
BASF Aktiengesellschaft
Inventors:
Adolf Parg, Gerhard Hamprecht, Bruno Wuerzer