Chemistry: fertilizers – Processes and products – Forms or conditioning
Patent
1990-02-23
1991-09-03
Siegel, Alan
Chemistry: fertilizers
Processes and products
Forms or conditioning
71 88, 71 94, 71 95, 71 96, 71DIG1, 523122, A01N 3700, A01N 4340, A01N 4336, A01N 4338
Patent
active
050451090
ABSTRACT:
A high concentration herbicide formulation comprising (1) a herbicidally active thiolcarbamate of the following formula I which is liquid at room temperature, (2) at least one nonionic surfactant of the following formula II and (3) an anionic surfactant of the following formula III: ##STR1## wherein R.sup.1 is an alkyl group having from 1 to 3 carbon atoms, a phenyl group or a halogen-substituted phenyl group, R.sup.2 is an alkyl group having from 1 to 5 carbon atoms, and R.sup.3 is an alkyl group having from 1 to 5 carbon atoms, provided that R.sup.2 and R.sup.3 may form a ring; ##STR2## wherein R.sup.4 is ##STR3## wherein R.sup.5 is a hydrogen atom or a methyl group, m is an integer of from 1 to 3, x is an integer of at least 10, y is an integer of from 0 to 10, provided that x+y is within a range of from 10 to 30, A is an oxyethylene group, and B is an oxypropylene group, provided that the addition form of A and B may be a block-form or a random-form; and ##STR4## wherein R.sup.6 is an alkyl group having from 9 to 15 carbon atoms, M is an alkali metal or an alkaline earth metal, and n is the number of metal ions.
REFERENCES:
patent: 4382115 (1983-05-01), Takahashi
patent: 4936901 (1990-06-01), Sugant, Sr. et al.
Chem. Abstracts, "Photochemistry of Thiocalbamate Herbicides . . . ", Ruzo et al., vol. 102, #108082S (1985).
Katou Susumu
Nakamura Kanji
Kumiai Chemical Industry Co. Ltd.
Nguyen Jessica H.
Siegel Alan
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