Process for production of zinc 2-mercaptopyridine-n-oxide
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United States of America Patent
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Dec 30, 1986
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N/A
app pub date -
Jan 25, 1985
filing date -
Jul 15, 1981
priority date (Note) -
Expired
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Abstract
The present invention relates to a process for the preparation of zinc 2-mercaptopyridine-N-oxide in a readily filterable, washable and easily suspendable form which comprises reacting an aqueous solution of an alkali metal salt of 2-mercaptopyridine-N-oxide with an aqueous solution of a water soluble zinc salt at a temperature of 35.degree. to 100.degree. C. in the presence of an at least partially water soluble organic solvent to form a precipitate of zinc 2-mercaptopyridine-N-oxide, recovering the said crystals and optionally comminuting the crystals.
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