Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Biocides; animal or insect repellents or attractants
Patent
1990-11-15
1994-04-26
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Biocides; animal or insect repellents or attractants
424408, A01N 2500
Patent
active
053064992
ABSTRACT:
Microencapsulated pyrethroidal cockroach-controlling composition is provided, which has an excellent residual effect. The composition comprises phenylxylylethane and a pyrethroidal compound and is encapsulated in microcapsules formed of a polyurethane wall which have an average particle diameter of not more than 80 .mu.m, a wall thickness of not more than 0.3 .mu.m, and a value of the average particle diameter/wall thickness of 100-400.
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patent: 4822614 (1989-04-01), Rodero
patent: 4871766 (1989-10-01), Tsuda et al.
patent: 4889719 (1989-12-01), Ohtsubo et al.
patent: 4985413 (1991-01-01), Kohama et al.
Kawada Hitoshi
Ohtsubo Toshiro
Shinjo Goro
Tsuda Shigenori
Tsuji Kozo
Harrison R.
Page Thurman K.
Sumitomo Chemical Company Limited
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