Microcapsulated pesticidal formulations, their preparation and u

Details Microcapsulated pesticidal formulations, their preparation and u Microcapsulated pesticidal formulations, their preparation and u

1994-08-22

1996-11-19

Levy, Neil S.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Biocides; animal or insect repellents or attractants

424417, 424419, 42721336, 264 433, 264 46, A01N 2528

Patent

active

055760090

ABSTRACT:
A process for the preparation of microcapsules, which comprises rapidly stirring an aqueous solution of a precondensate of urea and a dialdehyde in the molar ratio of urea to dialdehyde of 1:1 to 1:2.5, into an acidified aqueous dispersion of a water-immiscible pesticide or a readily volatile water-immiscible solvent.

REFERENCES:
patent: 3516846 (1970-06-01), Matson
patent: 3516941 (1970-06-01), Matson
patent: 3594328 (1971-07-01), Schibler
patent: 3919110 (1975-11-01), Vassilisdes
patent: 4157983 (1979-06-01), Golden
patent: 4696822 (1987-09-01), Matsumura
patent: 4889719 (1989-12-01), Ohtsubo
patent: 4936916 (1990-06-01), Shinmitsu et al.
patent: 5126061 (1992-06-01), Michael
patent: 5160529 (1992-11-01), Scher et al.
Chem Abstract, Japan JP1069385.

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