Chemistry: fertilizers – Processes and products – Forms or conditioning
Patent
1977-03-21
1979-03-13
Meyers, Albert T.
Chemistry: fertilizers
Processes and products
Forms or conditioning
71 65, 71 97, 424276, 424288, 424322, 424349, 424 23, 424 78, A01N 920, A01N 900, A01N 912, A61K 3174
Patent
active
041440501
ABSTRACT:
The invention is concerned with micro granules for pesticides and their manufacture by wet grinding a suspension of the active compound together with adjuvants in a ball mill to a particle size of at most 0.01 mm and subsequent spray-drying of the suspension thus obtained under a pressure of from 5 to 8 atmospheres gauge and at 140.degree. to 300.degree. C.
REFERENCES:
patent: 3149953 (1964-09-01), Miller
patent: 3157486 (1964-11-01), Harrison et al.
patent: 3382150 (1968-05-01), Grass et al.
patent: 3617246 (1971-11-01), Duyfjes et al.
patent: 3657446 (1972-04-01), Blackmore
patent: 3737551 (1973-06-01), Karsten et al.
patent: 3791811 (1974-02-01), French et al.
Albrecht Konrad
Frensch Heinz
Hook Klaus
Hoechst Aktiengesellschaft
Meyers Albert T.
Robinson D. W.
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