Process for preparing alkali metal pyrithione and its polyvalent metal complexes from pyridine oxide

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United States of America Patent

PATENT NO 9079857
APP PUB NO 20130261309A1
SERIAL NO

13838470

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Abstract

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The present invention generally relates to a novel process for preparing alkali metal pyrithione from pyridine N-oxide, using a sulfurination agent and a base agent. In particular, the present invention relates to an efficient process for preparing polyvalent metal complexes of sodium pyrithione from the alkali metal pyridine N-oxide described herein.

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Patent Owner(s)

  • ARCH CHEMICALS, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dumas, Richard East Haven, US 1 0
Hani, Rahim Alpharetta, US 32 448
Jardas, John J Rochester, US 10 167
Lei, David Alpharetta, US 1 0

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