Drug – bio-affecting and body treating compositions – Inorganic active ingredient containing – Aluminum – calcium or magnesium element – or compound containing
Reexamination Certificate
1998-07-14
2001-09-04
Dees, Jose G. (Department: 1616)
Drug, bio-affecting and body treating compositions
Inorganic active ingredient containing
Aluminum, calcium or magnesium element, or compound containing
C424S600000, C424S703000, C424S709000, C424S713000, C424S715000, C424S717000, C424S722000, C514S975000
Reexamination Certificate
active
06284286
ABSTRACT:
FIELD OF THE INVENTION
This invention relates to a composition for prevention and extermination of plant disease, in particular, a composition which maintains residual activity for a long time and is useful as an agricultural and horticultural biocide. Namely, this invention relates to agricultural chemicals.
PRIOR ART
As compositions for prevention and extermination of plant disease, there have widely been known and sold those comprising, as effective components, biocidal inorganic compounds and those comprising biocidal inorganic compounds and aliphatic polyhydric alcohol ester.
Examples of such agricultural chemicals include an agricultural and horticultural biocide and a composition for prevention and extermination of plant viral disease which comprises sodium hydrogen carbonate and polyglycerin fatty acid ester (JP-B-57-48527) and agricultural chemicals which comprises active ingredient and phospholipid or fatty acid ester of aliphatic polyhydric alcohol (JP-A-1-151501 and JP-A-5-39206).
SUMMARY OF THE INVENTION
An object of the present invention is to improve a composition for prevention and extermination of plant disease comprising biocidal inorganic compound as an active ingredient, and more particularly, to provide a composition for prevention and extermination of plant disease which maintains residual activity for a long time but induces no or little phytotoxicity.
The inventors of the present invention have conducted studies to solve the above object. As a result, they have found that the use of an amphoteric surfactant and at least one of nonionic and/or anionic surfactants in combination with a biocidal inorganic compound prolongs remarkably residual activity of the composition for prevention and extermination of plant disease without increasing phytotoxicity. They have completed the present invention based on this findings.
The present invention provides a composition for prevention and extermination of plant disease which comprises a biocidal inorganic compound, an amphoteric surfactant, and at least one member selected from the group consisting of a nonionic surfactant and an anionic surfactant.
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Arimoto Yutaka
Nomura Shigeru
Sato Yukio
Yamaguchi Isamu
Choi Frank
Dees Jos,e G.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
The Institute of Physical and Chemical Research
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