Complexes of metal salts of organic acids and beta-diketones and methods for producing same
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United States of America Patent
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Mar 29, 2005
Grant Date -
Jan 8, 2004
app pub date -
Jul 3, 2002
filing date -
Jul 3, 2002
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Abstract
Metal salts of organic acids complexed with .beta.-diketone compounds are multifunctional complexes useful in the formulation of stabilizers for halogenated resins. These complexes may be used jointly with other low toxicity intermediates, such as zinc or magnesium intermediates, to form effective stabilizers that are non-toxic and exhibit better performance than other known stabilizers, including those containing toxic heavy metals such as cadmium or lead. The complex is prepared utilizing a Claisen condensation reaction and precipitation with water and heptane.
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