Urea derivatives and highly selective herbicidal compositions co

Details Urea derivatives and highly selective herbicidal compositions co Urea derivatives and highly selective herbicidal compositions co

1981-03-26

1982-11-09

Waltz, Thomas A.

Chemistry: fertilizers

Processes and products

Forms or conditioning

564 52, 260453RW, C07C 6976, C07C12719, A01N 920

Patent

active

043583091

ABSTRACT:
There are provided novel urea derivatives of the general formula ##STR1## wherein X, n, A and R are defined in the description; processes for preparing the derivatives and herbicidal composition containing as active ingredient the derivative. The derivatives have highly selective herbicidal activities.

REFERENCES:
patent: 3903156 (1975-09-01), Teach
patent: 4129436 (1978-12-01), Takemoto et al.
patent: 4144049 (1979-03-01), Yoshida et al.
patent: 4221817 (1980-09-01), Tenne
patent: 4249938 (1981-02-01), Takemoto et al.
patent: 4260411 (1981-04-01), Yoshida et al.
patent: 4263219 (1981-04-01), Fujita et al.
patent: 4294986 (1981-10-01), Spatz et al.

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