Chemistry: fertilizers – Processes and products – Forms or conditioning
Patent
1975-08-29
1976-12-14
Hollrah, Glennon H.
Chemistry: fertilizers
Processes and products
Forms or conditioning
A01N 912
Patent
active
039973247
ABSTRACT:
Herbicidal oxythio-substituted ureas of the formula: ##STR1## wherein R, R.sup.1 and R.sup.2 individually are hydrogen, alkyl, cycloalkyl, bicycloalkyl, alkoxy or aryl, and R.sup.3 is alkyl, cycloalkyl, bicycloalkyl or aryl. The oxythio-substituted ureas are prepared by reacting an N-chlorothio urea and a hydroxylic compound.
REFERENCES:
patent: 2717828 (1955-09-01), Birum et al.
patent: 3711530 (1973-01-01), Kobzina et al.
patent: 3812209 (1974-05-01), Brown
patent: 3824281 (1974-07-01), Brown
patent: 3853966 (1974-12-01), Brown
patent: 3857883 (1974-12-01), Cleveland
Brown, deceased Melancthon S.
Kohn Gustave K.
Chevron Research Company
Hollrah Glennon H.
Magdeburger G. F.
Newell D. A.
Owyang Raymond
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