Chemistry: fertilizers – Processes and products – Forms or conditioning
Patent
1987-06-16
1990-06-26
Raymond, Richard L.
Chemistry: fertilizers
Processes and products
Forms or conditioning
71 86, 71 87, 71 88, 71 93, 71 94, 71 90, 71100, 71105, 71107, 71108, 71110, 71116, 71117, 71118, 71120, 71121, 71125, 71126, A01N 4358
Patent
active
049369016
ABSTRACT:
The invention herein relates to dry flowable water-dispersible granular formulations and to a process for the preparation thereof.
In particular, the water-dispersible granular formulations of this invention comprise a mixture of aggregates of microcapsules of water-insoluble pesticide, e.g., alachlor, or a plant growth regulant encapsulated within a polymeric shell wall and at least one other pesticide, e.g., atrazine or a salt of glyphosate, which is non-encapsulated.
The water-dispersible granular formulations of the invention are prepared by mixing appropriate quantities of an aqueous dispersion of the encapsulated component, the non-encapsulated component and formulation adjuvants to form a slurry of the desired viscosity which can be directly extruded than dried or the slurry in more dilute, less viscous form may be spray dried, or agglomerated in fluid beds or rotating disc agglomerators.
REFERENCES:
patent: 3920442 (1975-11-01), Albert et al.
patent: 4150968 (1979-04-01), Young et al.
patent: 4280833 (1981-07-01), Besstman et al.
patent: 4334910 (1982-06-01), Lorincz et al.
patent: 4647301 (1987-03-01), Los
Deming John M.
Surgant, Sr. John M.
Andress William I.
Monsanto Company
Owens Amelia A.
Raymond Richard L.
Sieckmann Gordon F.
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