Chemistry: fertilizers – Processes and products – Forms or conditioning
Patent
1983-01-03
1985-05-07
Gerstl, Robert
Chemistry: fertilizers
Processes and products
Forms or conditioning
71 92, 544197, 544198, 544208, 544209, 544211, 544212, 544321, 544323, 544324, 544331, 544332, C07D23946, C07D25142, C07D23947, A61K 4736
Patent
active
045156204
ABSTRACT:
Triaza compounds of the general formula I ##STR1## and their basic addition salts have good selective herbicidal and plant growth regulating properties when applied pre- and postemergence. In the formula, each of A.sub.1 and A.sub.2 is a homocyclic or heterocyclic aromatic radical such as phenyl, naphthyl, indanyl, imidazolyl, pyridinyl, pyrimidinyl, pyrazolyl or triazolyl, each of which is unsubstituted or mono- to trisubstituted, while only one of A.sub.1 and A.sub.2 may be a phenyl, naphthyl or indanyl radical, and each of R.sub.1 and R.sub.3 is hydrogen or C.sub.1 -C.sub.4 alkyl and R.sub.2 is hydrogen or a cation.
REFERENCES:
patent: 3242174 (1966-03-01), McManus
patent: 4191553 (1980-03-01), Reap
Ciba Geigy Corporation
Collins Bruce M.
Gerstl Robert
McC. Roberts Edward
Rabin Frederick H.
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