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US 4,323,683 AGranted
Process for making pyridinethione salts
AssigneeThe Procter & Gamble Company
InventorsRaymond E. Bolich, Jr., Steven A. Shaya, Christian Steuri
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Abstract
A process for producing heavy metal, magnesium or aluminum pyridinethione salt crystals involving reacting a water soluble salt of the desired metal with a water soluble pyridinethione salt or pyridinethione itself in an aqueous surfactant medium.
Claims11
A process for making heavy metal, magnesium or aluminum N-hydroxy pyridinethione salts comprising reacting 1-hydroxy-2-pyridinethione or a water soluble salt thereof with a water soluble heavy metal, magnesium or aluminum salt in an aqueous surfactant medium, wherein the reaction temperature is at least about 20.degree. C.
Dependencies are inferred from the claim text.